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2.11k
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81 values
cipher
stringclasses
81 values
cipher_family
stringclasses
13 values
key
unknown
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stringclasses
7 values
language
stringclasses
8 values
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int64
6
1.09k
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1.28k
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attack_methods
listlengths
0
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educational_note
stringclasses
32 values
kryha-v3-0131
CNELKSETXUGBBILLAXHL
CNELKSETXUGBBILLAXHL
THE COMPASS POINTS TRUE
kryha
kryha
machine
{ "type": "keyword", "value": "VIENNA" }
expert
en
20
20
cipher_museum
2.0
public
null
null
cda-0007684
TIGY MLKU MAON UCVT HLKX MVNB NDAU KQKP KFEX BOFU SQUJ LEYN OLLR SIQZ AMKY MCRP YRHW EUXT CGOZ MKUN PDVY XHVB ZZEV HXEE JXUY OZMK UNPV MSQL GXBO QE
TIGY MLKU MAON UCVT HLKX MVNB NDAU KQKP KFEX BOFU SQUJ LEYN OLLR SIQZ AMKY MCRP YRHW EUXT CGOZ MKUN PDVY XHVB ZZEV HXEE JXUY OZMK UNPV MSQL GXBO QE
THE VIGENERE CIPHER USES A REPEATING KEYWORD THE BEST LESSONS SHOW WHERE THE METHOD FAILS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER
trithemius
trithemius
null
{}
hard
en
118
118
synthetic_educational
null
null
[]
chinese-telegraph-v3-0250
4361 5060 5563 4361 4154 5488 4614 4361 5060 5563
4361 5060 5563 4361 4154 5488 4614 4361 5060 5563
DOT DASH DOT
chinese_telegraph
chinese_telegraph
codebook
{ "type": "additive", "value": "14142" }
expert
en
40
49
cipher_museum
2.0
public
null
null
two-square-v3-0283
SOCRBSFUBELIDWGARGBSRGEULAWBMILADLMBDUSNQSWORTBHTXTPEDQARGBSVUQFSKBEDTOUVURGRGEADMISLCONSBONFUNXLUDQORPPCERGISAPCNNBHMRNDRNXLEDGEHASETUBGAVAQCKONPPULOSOHGZDORRVSKUKLENNRB
SOCRBSFUBELIDWGARGBSRGEULAWBMILADLMBDUSNQSWORTBHTXTPEDQARGBSVUQFSKBEDTOUVURGRGEADMISLCONSBONFUNXLUDQORPPCERGISAPCNNBHMRNDRNXLEDGEHASETUBGAVAQCKONPPULOSOHGZDORRVSKUKLENNRB
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
two_square
two_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
170
170
cipher_museum
2.0
public
null
null
hill-v3-0400
RJDICYANPEGFTHANURPLZEQRTXFKYOUMMWTFRSIYXPTKYANAURWTSWXZADKPLTWKDPLXZRURKKPLTFDMURWB
RJDICYANPEGFTHANURPLZEQRTXFKYOUMMWTFRSIYXPTKYANAURWTSWXZADKPLTWKDPLXZRURKKPLTFDMURWB
DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING
hill
hill
polygraphic
{ "a": 9, "b": 2, "c": 7, "d": 5 }
advanced
en
84
84
cipher_museum
2.0
public
null
null
lorenz-040
WESHALLFIGHTONTHEBEACHESANDWESHALLNEVERSURRENDER
WESHALLFIGHTONTHEBEACHESANDWESHALLNEVERSURRENDER
WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER
lorenz
lorenz
machine
{ "type": "seed", "value": "LORENZ" }
expert
en
48
48
cipher_museum
0.2
public
null
null
caesar-v3-0879
WH WG O HFIHV IBWJSFGOZZM OQYBCKZSRUSR HVOH O GWBUZS AOB WB DCGGSGGWCB CT O TCFHIBS AIGH PS WB KOBH CT O KWTS
WH WG O HFIHV IBWJSFGOZZM OQYBCKZSRUSR HVOH O GWBUZS AOB WB DCGGSGGWCB CT O TCFHIBS AIGH PS WB KOBH CT O KWTS
IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE
caesar
caesar
substitution
{ "type": "shift", "value": 14 }
beginner
en
88
109
cipher_museum
2.0
public
null
null
hill-v2-0216
IYTQMEWSHWVQEANSGSTTRTUIRQPGCZJFLYVAPVLYGDXXTWDOICJSRQEARQWPTLDKIYNPLYHQYJQO
IYTQMEWSHWVQEANSGSTTRTUIRQPGCZJFLYVAPVLYGDXXTWDOICJSRQEARQWPTLDKIYNPLYHQYJQO
MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES
hill
hill
polygraphic
{ "a": 5, "b": 7, "c": 2, "d": 9 }
advanced
en
76
76
cipher_museum
2.0
public
null
null
one-time-pad-v3-0060
TIGEEYZSMXPMDVHPYEJTAZZFLSHFUNMJYHJXFPQAUAQEVYIMBLSQMPPWLXOUVRXPFRSCVFJMS
TIGEEYZSMXPMDVHPYEJTAZZFLSHFUNMJYHJXFPQAUAQEVYIMBLSQMPPWLXOUVRXPFRSCVFJMS
THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY
one_time_pad
one_time_pad
stream
{ "type": "pad", "value": "ABCDEFGH (repeating)" }
expert
en
73
73
cipher_museum
2.0
public
null
null
nihilist-v3-0125
52 38 68 37 46 54 77 72 68 26 35 58 84 86 52 30 28 57 40 56 80 45 56 35 37 46 54 77 72
52 38 68 37 46 54 77 72 68 26 35 58 84 86 52 30 28 57 40 56 80 45 56 35 37 46 54 77 72
TAXATION WITHOUT REPRESENTATION
nihilist
nihilist
fractionation
{ "polybius": "LIBERTY", "keyword": "FREEDOM" }
advanced
en
58
86
cipher_museum
2.0
public
null
null
hill-v2-0629
WVKMRCFRUSENRPNBHOKCHVVRXDJKSRBXFSNNREXDSIWPBUNAJKSRLVRPAOOYBZFFOABXNNIKFVDHFRXJNBJDRPBYJKHKWPRCUTWWXWHURCILUUFVZAFEKAYZDFDQEQXJJSNNUTTRTINNGNCQYOZUPCQFVASOCZXJPSEMFVJIDWUU
WVKMRCFRUSENRPNBHOKCHVVRXDJKSRBXFSNNREXDSIWPBUNAJKSRLVRPAOOYBZFFOABXNNIKFVDHFRXJNBJDRPBYJKHKWPRCUTWWXWHURCILUUFVZAFEKAYZDFDQEQXJJSNNUTTRTINNGNCQYOZUPCQFVASOCZXJPSEMFVJIDWUU
THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES
hill
hill
polygraphic
{ "a": 11, "b": 3, "c": 2, "d": 5 }
advanced
en
172
172
cipher_museum
2.0
public
null
null
copiale-v2-0310
G4 V3 U0 U8 J3 D0 J9 O7 U9 V3 N6 A3 U2 G1 G2 C1 N6 W4 P9 U6 E6 M8 J8 O2 G4 H0 G1 A4 M4 O7 D4 F5 O4 B8 Q6 L3 J0 F1 W4 Q6 D4 S6 E1 I0 O9 T2 C1 G0 P6 S9 R9 K8 Q6 B8 Q6 N6 U8 V8 I0 Y0 F7 U0 Q5 B8 C1 N1 A2 B8
G4 V3 U0 U8 J3 D0 J9 O7 U9 V3 N6 A3 U2 G1 G2 C1 N6 W4 P9 U6 E6 M8 J8 O2 G4 H0 G1 A4 M4 O7 D4 F5 O4 B8 Q6 L3 J0 F1 W4 Q6 D4 S6 E1 I0 O9 T2 C1 G0 P6 S9 R9 K8 Q6 B8 Q6 N6 U8 V8 I0 Y0 F7 U0 Q5 B8 C1 N1 A2 B8
NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS
copiale
copiale
substitution
{ "type": "keyword", "value": "MYSTERY" }
advanced
en
136
203
cipher_museum
2.0
public
null
null
geez-monastic-v3-0061
PLLAJCPLLVJHXOYIKPRPOJMYQPBIYZJCHOCJMUIJULMHRJIXHNMSPTPBJUJQPMMYJMUYBOYBNLJU
PLLAJCPLLVJHXOYIKPRPOJMYQPBIYZJCHOCJMUIJULMHRJIXHNMSPTPBJUJQPMMYJMUYBOYBNLJU
AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "ETHIOPIA" }
advanced
en
76
76
cipher_museum
2.0
public
null
null
cda-0008687
QITMTDCIMM GDKKFVEM EVNMU JGMPZG KQUGQFMPJF BTIPZQWUQVPPV EQROFZU ZGHSZCVIL MMVBGYT EKBJVVB UCDZUQVCVPPV RCDSJK KVHYBAVZWJUCTM FLTMTDGZ DITMHBM LGAKNO LQ VQA DWPNWZF WDNWZDIVQQU XQVP GUDZAXVPPV
QITMTDCIMM GDKKFVEM EVNMU JGMPZG KQUGQFMPJF BTIPZQWUQVPPV EQROFZU ZGHSZCVIL MMVBGYT EKBJVVB UCDZUQVCVPPV RCDSJK KVHYBAVZWJUCTM FLTMTDGZ DITMHBM LGAKNO LQ VQA DWPNWZF WDNWZDIVQQU XQVP GUDZAXVPPV
OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION
gronsfeld
gronsfeld
null
{ "key": "271828" }
hard
en
172
172
synthetic_educational
null
null
[]
bazeries-v3-0629
QIMPNHPTAGQLPTJM
QIMPNHPTAGQLPTJM
SOUND THE TRUMPETS
bazeries
bazeries
transposition
{ "type": "integer", "value": 71 }
advanced
en
16
16
cipher_museum
2.0
public
null
null
bifid-194
FRDBDAMKTPEYOGX
FRDBDAMKTPEYOGX
FORWARD MARCH NOW
bifid
bifid
fractionation
{ "type": "keyword", "value": "KEYWORD" }
advanced
en
15
15
cipher_museum
0.2
public
null
null
four-square-v2-0110
GITDAIOESQQEELCSBTSNCHSGAUELCPFMKSNCHBNMQAKFPOSMKSKUFNCFIENCTGLUNMUKKYAUSMKSSGFNFQKULULOSNKSSGFNFQTNCMOANMSDCHFDSNKSELNUFMKSLIYNSGAUARPEUSUASFPIKBPEPKCUMSEOAPCPEUQFTKNQHTNIZBIGGKLY
GITDAIOESQQEELCSBTSNCHSGAUELCPFMKSNCHBNMQAKFPOSMKSKUFNCFIENCTGLUNMUKKYAUSMKSSGFNFQKULULOSNKSSGFNFQTNCMOANMSDCHFDSNKSELNUFMKSLIYNSGAUARPEUSUASFPIKBPEPKCUMSEOAPCPEUQFTKNQHTNIZBIGGKLY
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
four_square
four_square
polygraphic
{ "key1": "PALACE", "key2": "BATTLE" }
advanced
en
180
180
cipher_museum
2.0
public
null
null
cda-0017959
r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X r· Γ· └ └ r Γ· ┐· r· L ┌· X· X L X └ Γ· ─ L ⌐ ┌· ⌐ └ ¬· L ¬ ┌· ⌐ K ┘· L ─ r ┌· ⌒· ┐· K ¬ └ ┘· r ┐ X ┘· ⌐· └ L K K L ┌...
r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X r· Γ· └ └ r Γ· ┐· r· L ┌· X· X L X └ Γ· ─ L ⌐ ┌· ⌐ └ ¬· L ¬ ┌· ⌐ K ┘· L ─ r ┌· ⌒· ┐· K ¬ └ ┘· r ┐ X ┘· ⌐· └ L K K L ┌...
HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH
pigpen
pigpen
null
{}
hard
en
81
81
synthetic_educational
null
null
[ "symbol_frequency", "grid_position_decode" ]
Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
argenti-v2-0063
87 32 82 52 65 69 44 32 25 65 18 22 34 14 41 88 35 32 21 53 69 73 43 57 14 41 22 79 16 19 88 43 66 75 65 51 25 59 44 32 30 73 41 57 14 49 43 65 22 18 88 82 62 22 53 72 88 19 22 75 44 41 16 25 53 51 32 73 36 88 21 66 75 43
87 32 82 52 65 69 44 32 25 65 18 22 34 14 41 88 35 32 21 53 69 73 43 57 14 41 22 79 16 19 88 43 66 75 65 51 25 59 44 32 30 73 41 57 14 49 43 65 22 18 88 82 62 22 53 72 88 19 22 75 44 41 16 25 53 51 32 73 36 88 21 66 75 43
FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH
argenti
argenti
nomenclator
{ "type": "seed", "value": "ROME" }
expert
en
148
221
cipher_museum
2.0
public
null
null
typex-v3-0312
AAHDYDVYUGGGCRDGNQFMPGFORJTTDNAKXXVBZZMLLQMYVIZVKLVKPJZYWRMFLNFNXEZDFRILVDEZKJFZBJPKGQCPHSCIABZYWLFFRFHVJXDWOQWUXEEXANNPZRATLDSSSKFSYNBPMGTLFNMCEJUBHVIZJUBNPKKBBCHKTAFWSEGMCTSVM
AAHDYDVYUGGGCRDGNQFMPGFORJTTDNAKXXVBZZMLLQMYVIZVKLVKPJZYWRMFLNFNXEZDFRILVDEZKJFZBJPKGQCPHSCIABZYWLFFRFHVJXDWOQWUXEEXANNPZRATLDSSSKFSYNBPMGTLFNMCEJUBHVIZJUBNPKKBBCHKTAFWSEGMCTSVM
THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT
typex
typex
machine
{ "type": "keyword", "value": "EMPIRE" }
expert
en
177
177
cipher_museum
2.0
public
null
null
cda-0018658
DIBEH NODAI HSHUS HDIBE HTHAN ZIETK INTHA NZIEN ODAIH THANZ IETKI NAKHA TSAHM OASIT KINCL AGIAI HLIND ZEHGA HDIBE HNAAS TSOSI WOLLA CHEEC LAGIA IHDZE HWOLL ACHEE MOASI LINDI BEHYA ZZIED ZEHTH ANZIE THANZ IEDZE HGAHT HANZI EAKHA WOLLA CHEEB ETKIN MAEMA EDZEH
DIBEH NODAI HSHUS HDIBE HTHAN ZIETK INTHA NZIEN ODAIH THANZ IETKI NAKHA TSAHM OASIT KINCL AGIAI HLIND ZEHGA HDIBE HNAAS TSOSI WOLLA CHEEC LAGIA IHDZE HWOLL ACHEE MOASI LINDI BEHYA ZZIED ZEHTH ANZIE THANZ IEDZE HGAHT HANZI EAKHA WOLLA CHEEB ETKIN MAEMA EDZEH
SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN CAREFULLY
navajo_code
navajo_code
null
{}
hard
en
215
215
synthetic_educational
null
null
[ "codebook_frequency", "word_list_attack" ]
Navajo Code Talker cipher: Navajo words represent English letters.
commercial-code-v2-0122
ZUZUZ ZAZUZ LAZUZ QAZUZ GAZUZ XAZUZ XUZUZ SABAB ZUZUZ CAZUZ BAZUZ FAZUZ XUZUZ ZUZUZ DAZUZ KAZUZ LAZUZ PAZUZ FAZUZ WAZUZ GAZUZ RAZUZ XUZUZ LIBAB ZUZUZ PAZUZ SAZUZ RAZUZ JAZUZ GAZUZ WAZUZ XUZUZ ZUZUZ SAZUZ CAZUZ GAZUZ GEZUZ XUZUZ REBAB ZUZUZ TAZUZ BAZUZ WAZUZ GAZUZ RAZUZ ZAZUZ XAZUZ XUZUZ DABAB ZUZUZ GAZUZ CEZUZ GAZUZ WA...
ZUZUZ ZAZUZ LAZUZ QAZUZ GAZUZ XAZUZ XUZUZ SABAB ZUZUZ CAZUZ BAZUZ FAZUZ XUZUZ ZUZUZ DAZUZ KAZUZ LAZUZ PAZUZ FAZUZ WAZUZ GAZUZ RAZUZ XUZUZ LIBAB ZUZUZ PAZUZ SAZUZ RAZUZ JAZUZ GAZUZ WAZUZ XUZUZ ZUZUZ SAZUZ CAZUZ GAZUZ GEZUZ XUZUZ REBAB ZUZUZ TAZUZ BAZUZ WAZUZ GAZUZ RAZUZ ZAZUZ XAZUZ XUZUZ DABAB ZUZUZ GAZUZ CEZUZ GAZUZ WA...
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
commercial_code
commercial_code
codebook
{ "type": "none", "value": null }
expert
en
815
977
cipher_museum
2.0
public
null
null
venona-pad-reuse-v3-0139
YPFE64TPNBP2B
YPFE64TPNBP2B
THE APPLE FALLS
venona_pad_reuse
venona_pad_reuse
stream
{ "type": "keyword", "value": "LIBERTY" }
expert
en
13
13
cipher_museum
2.0
public
null
null
beaufort-v3-0669
IUYHCCMRYQVAAAKCAAOV
IUYHCCMRYQVAAAKCAAOV
STEAM POWER TRANSFORMS
beaufort
beaufort
polyalphabetic
{ "type": "keyword", "value": "ANCHOR" }
intermediate
en
20
20
cipher_museum
2.0
public
null
null
rail-fence-v2-0320
BEHSALRISAESMKEUNYLLEEESPHELBDCRSEEHSDAASEHATENREASDTRREAEPMUAETOGDTEOGRFOHN
BEHSALRISAESMKEUNYLLEEESPHELBDCRSEEHSDAASEHATENREASDTRREAEPMUAETOGDTEOGRFOHN
BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 9 }
intermediate
en
76
76
cipher_museum
2.0
public
null
null
cda-0012218
68 66 80 68 29 61 65 68 80 82 29 66 66 69 69 57 61 36 69 59 57 11 61 36 69 89 50 66 61 80 82 68 61 69 29 50 29 25
68 66 80 68 29 61 65 68 80 82 29 66 66 69 69 57 61 36 69 59 57 11 61 36 69 89 50 66 61 80 82 68 61 69 29 50 29 25
A TRANSPARENT TOOL SHOULD SHOW ITS REASONING
wallis_cipher
wallis_cipher
null
{}
medium
en
38
38
synthetic_educational
null
null
[ "number_substitution_decode", "frequency_analysis" ]
Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.
cda-0018538
TSDNY TUTZD TNIQC BQNNU RQYTN DTBLA DVKEQ NLBIP GPQOA QQKOT TMGRR TVPWK DOBQG BENWR QQWLL MCFWR DZSII VFAUF SXOPT HZOFY JONCG LKDCA TRYEV YLHZN QEMMD DDPZC ZDVPB DQDIE YAXQP VGOMN YGCGM FJTOX IJRAT UBOZY OQSC
TSDNY TUTZD TNIQC BQNNU RQYTN DTBLA DVKEQ NLBIP GPQOA QQKOT TMGRR TVPWK DOBQG BENWR QQWLL MCFWR DZSII VFAUF SXOPT HZOFY JONCG LKDCA TRYEV YLHZN QEMMD DDPZC ZDVPB DQDIE YAXQP VGOMN YGCGM FJTOX IJRAT UBOZY OQSC
PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS
vernam
vernam
null
{}
hard
en
174
174
synthetic_educational
null
null
[ "key_reuse_attack", "information_theoretic_proof" ]
Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.
zimmermann-035
00004 00098 00000 99999 90012 90014 90017 90000 90011 99998 00006 00003 00000 99999 90015 90007 90024 90018 90008 90002 90000 90011 99998 00011 99999 90019 90007 90017 90004 90004 99998 00006 00003 00026
00004 00098 00000 99999 90012 90014 90017 90000 90011 99998 00006 00003 00000 99999 90015 90007 90024 90018 90008 90002 90000 90011 99998 00011 99999 90019 90007 90017 90004 90004 99998 00006 00003 00026
IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE
zimmermann
zimmermann
codebook
{ "type": "none", "value": null }
expert
en
170
203
cipher_museum
0.2
public
null
null
cda-0011463
TIGNE XOZSR OIMZW CQKAH HAEKB RRFRH EYKKB ASRDN AHYEU BJCAO RDXU
TIGNE XOZSR OIMZW CQKAH HAEKB RRFRH EYKKB ASRDN AHYEU BJCAO RDXU
THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT
trithemius
trithemius
null
{}
medium
en
54
54
synthetic_educational
null
null
[]
vic-v2-0123
908348668989189834580
908348668989189834580
THE PASS IS HELD
vic
vic
substitution
{ "type": "keyword", "value": "NICKEL" }
advanced
en
21
21
cipher_museum
2.0
public
null
null
cda-0008946
NANSS VARPV CUREN CCYVR FNYVA RNESH APGVB AGBRN PUYRG GREFR PHEVG LPYNV ZFFUB HYQOR GRFGR QHAQR EFPEH GVALF HOFGV GHGVB APVCU REFZN CRNPU YRGGR EGBNQ VSSRE RAGYR GGRE
NANSS VARPV CUREN CCYVR FNYVA RNESH APGVB AGBRN PUYRG GREFR PHEVG LPYNV ZFFUB HYQOR GRFGR QHAQR EFPEH GVALF HOFGV GHGVB APVCU REFZN CRNPU YRGGR EGBNQ VSSRE RAGYR GGRE
AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER
rot13
rot13
null
{ "shift": 13 }
hard
en
139
139
synthetic_educational
null
null
[]
adfgvx-v2-0068
XAAVVXFDDDADAFDXAAVVDDVDFAAGDAAFFADGVAGDAAGDAAAFAAFGVVXGFVVDXVGFVAAVVXGVVAAGFAAFDGDAGFADAADDAAFDAAFGFGAGAGAADFFDGAAFFAGAGAAAFFDFADDAVGXGGAFVGFFADDAGDXDF
XAAVVXFDDDADAFDXAAVVDDVDFAAGDAAFFADGVAGDAAGDAAAFAAFGVVXGFVVDXVGFVAAVVXGVVAAGFAAFDGDAGFADAADDAAFDAAFGFGAGAGAADFFDGAAFFAGAGAAAFFDFADDAVGXGGAFVGFFADDAGDXDF
BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US
adfgvx
adfgvx
fractionation
{ "polybius": "PALACE", "columnar": "BATTLE" }
advanced
en
152
152
cipher_museum
2.0
public
null
null
purple-v3-0084
OLRADPRFUBDCFHUCEIIKIXOHCSEVEFSGOGIYDCMZBNNNXBTHGGTSDHDENJZTKIHTFQPEXMMBUI
OLRADPRFUBDCFHUCEIIKIXOHCSEVEFSGOGIYDCMZBNNNXBTHGGTSDHDENJZTKIHTFQPEXMMBUI
NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY
purple
purple
machine
{ "type": "seed", "value": "TOKYO" }
expert
en
74
74
cipher_museum
2.0
public
null
null
adfgx-268
FAXXFXFXFFDDXFDFDFGDXDXDDFGXDDFDAADAGAGFFFAFADGADXAFGDAGFAAAGFXDDDAFFAXADAXGFXAAAGFFDXDXGXDA
FAXXFXFXFFDDXFDFDFGDXDXDDFGXDDFDAADAGAGFFFAFADGADXAFGDAGFAAAGFXDDDAFFAXADAXGFXAAAGFFDXDXGXDA
I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW
adfgx
adfgx
fractionation
{ "polybius": "KEYWORD", "columnar": "TRAFIC" }
advanced
en
92
92
cipher_museum
0.2
public
null
null
cda-0015628
.- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -. .. -. --. / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- . / .--. .- - - . .-. -. / .-- --- ...
.- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -. .. -. --. / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- . / .--. .- - - . .-. -. / .-- --- ...
A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE INDEX OF COINCIDENCE IS A USEFUL CLUE PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION
morse_code
morse_code
null
{}
hard
en
173
173
synthetic_educational
null
null
[ "symbol_decode", "frequency_analysis" ]
Morse code: dots and dashes; word-separated by / symbol.
cda-0010564
MVWR KMVK OVYY GLUR VZSG DLXE GKIN PHCN UGFL PYBT GRQA QKBR WAYU DGRR GJPB KXHA WGZS NUWC RDWA YMUA CMLY VBSI
MVWR KMVK OVYY GLUR VZSG DLXE GKIN PHCN UGFL PYBT GRQA QKBR WAYU DGRR GJPB KXHA WGZS NUWC RDWA YMUA CMLY VBSI
CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER
autokey
autokey
null
{ "primer": "KEY" }
hard
en
88
88
synthetic_educational
null
null
[]
great-cipher-124
106 131 165 133 122 119 123 127 114 181 157 153 137 157 134 144 105
106 131 165 133 122 119 123 127 114 181 157 153 137 157 134 144 105
RENDEZVOUS AT MIDNIGHT
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "SECRET" }
expert
en
51
67
cipher_museum
0.2
public
null
null
enigma-342
VJBRZGJEPDFIGMBTABBUQZJWLEUYKJNLGBYMDZOLSOKJAXTRPBQUUXYASMUCJQUQ
VJBRZGJEPDFIGMBTABBUQZJWLEUYKJNLGBYMDZOLSOKJAXTRPBQUUXYASMUCJQUQ
CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES
enigma
enigma
machine
{ "type": "rotor_start", "value": "DOG" }
expert
en
64
64
cipher_museum
0.2
public
null
null
alberti-disk-v2-0733
WPJHZISWEIQCEMRVVLKLZHOLEHUDVTHSTBAVIAXSTMRADYRNTYALZVKQFSKPKOXLGJRLFLQRRKQVPKHO
WPJHZISWEIQCEMRVVLKLZHOLEHUDVTHSTBAVIAXSTMRADYRNTYALZVKQFSKPKOXLGJRLFLQRRKQVPKHO
THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 14 }
expert
en
80
80
cipher_museum
2.0
public
null
null
bazeries-v2-0609
EHOHAQVQKHJBGLAGGBLMPQBYKLBQBPOGBQKSOLRKBHQKHJHTUBOOFPQJLORHQPFHHAJLTKOHLMYKFJHOHAQP
EHOHAQVQKHJBGLAGGBLMPQBYKLBQBPOGBQKSOLRKBHQKHJHTUBOOFPQJLORHQPFHHAJLTKOHLMYKFJHOHAQP
THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE
bazeries
bazeries
transposition
{ "type": "integer", "value": 53 }
advanced
en
84
84
cipher_museum
2.0
public
null
null
confederate-vigenere-v2-0368
WPBTSULFAQBAEMTKMOLMVPXTPQWQEEQBEMQDSBBLPMQWPLMAWAQQKOVHMKXEVBRZIVPBTIDLBBLPMYMWLLBBLHAQQPOEXBIUAEMVHAQWVHBEUCVWRTLHTBIHHBEUILVQPISIQPWRNOQKKBBWYVVBAWIWOPMVVXUIVIHM
WPBTSULFAQBAEMTKMOLMVPXTPQWQEEQBEMQDSBBLPMQWPLMAWAQQKOVHMKXEVBRZIVPBTIDLBBLPMYMWLLBBLHAQQPOEXBIUAEMVHAQWVHBEUCVWRTLHTBIHHBEUILVQPISIQPWRNOQKKBBWYVVBAWIWOPMVVXUIVIHM
THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "DIXIE" }
intermediate
en
164
164
cipher_museum
2.0
public
null
null
wallis-cipher-v2-0183
90 67 54 15 44 91 90 27 18 30 84 75 63 91 90 45 85 23 47 55 41 91 90 81 25 66 76 91 90 67 54 15 58 91 90 73 44 18 20 84 45 89 91 90 61 85 55 91 90 47 77 30 91 90 77 63 15 91 90 79 53 91 90 12 54 81 33 91 90 72 88 91 90 45 58 76 91 90 66 18 15 84 25 81 40 91 90 23 85 79 66 41 53 91 90 47 81 33 91 90 44 63 18 30 91
90 67 54 15 44 91 90 27 18 30 84 75 63 91 90 45 85 23 47 55 41 91 90 81 25 66 76 91 90 67 54 15 58 91 90 73 44 18 20 84 45 89 91 90 61 85 55 91 90 47 77 30 91 90 77 63 15 91 90 79 53 91 90 12 54 81 33 91 90 72 88 91 90 45 58 76 91 90 66 18 15 84 25 81 40 91 90 23 85 79 66 41 53 91 90 47 81 33 91 90 44 63 18 30 91
WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "ENGLAND" }
expert
en
210
314
cipher_museum
2.0
public
null
null
cda-0019933
AMOD XLCA NZLA SSZF YPAT TERN SBUT IZCA NAXS OBEZ RONG ZRIE DMAN ESZI MATE DKEY ZENG TZFR OMXT ATIS TICS B
AMOD XLCA NZLA SSZF YPAT TERN SBUT IZCA NAXS OBEZ RONG ZRIE DMAN ESZI MATE DKEY ZENG TZFR OMXT ATIS TICS B
A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS
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.
adfgx-v2-0273
DGFGDADDFXAFDAADAGGFAADGDADGDXFDXDFFDGFDXAFFDDGF
DGFGDADDFXAFDAADAGGFAADGDADGDXFDXDFFDGFDXAFFDDGF
TORPEDO AWAY ALL HANDS BRACE
adfgx
adfgx
fractionation
{ "polybius": "TRIUMPH", "columnar": "JUSTICE" }
advanced
en
48
48
cipher_museum
2.0
public
null
null
jefferson-disk-v2-0186
HFIIQZQZKVSUVPZHQDSZBOIYPNLDICDXQZYUZUVPXHIXSVYMOZSIWMCDYIPESHKMPBBOHYXWSXWDYD
HFIIQZQZKVSUVPZHQDSZBOIYPNLDICDXQZYUZUVPXHIXSVYMOZSIWMCDYIPESHKMPBBOHYXWSXWDYD
THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "6,1,4,2,5,3" }
expert
en
78
78
cipher_museum
2.0
public
null
null
great-cipher-082
104 117 104 105 118 151 125 177 147 181 173 174 128 116 161
104 117 104 105 118 151 125 177 147 181 173 174 128 116 161
AWAIT FURTHER ORDERS
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "CIPHER" }
expert
en
45
59
cipher_museum
0.2
public
null
null
cda-0014055
1980 0354 2859 03804 00989 3834 04807 6039 01631 01328 2836 05973 0355 05118 04789 06010 06289 06613 5729 01638 04491 04719 6375 0362 5998 03771 4713 2206 00379 4466 6338 2586 01657 3809 02883 0709 5714 00355 05685 7910 5049 05707 01626 06024 01583 05692 06973 01607 06032 03544 4403 04739 07254 3819 01639 01349 2237 01...
1980 0354 2859 03804 00989 3834 04807 6039 01631 01328 2836 05973 0355 05118 04789 06010 06289 06613 5729 01638 04491 04719 6375 0362 5998 03771 4713 2206 00379 4466 6338 2586 01657 3809 02883 0709 5714 00355 05685 7910 5049 05707 01626 06024 01583 05692 06973 01607 06032 03544 4403 04739 07254 3819 01639 01349 2237 01...
FAIL CLOSED IS A POSTURE NOT A SLOGAN THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY
zimmermann
zimmermann
null
{}
hard
en
193
193
synthetic_educational
null
null
[ "codebook_frequency", "number_group_analysis" ]
Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.
affine-de-001
WSR NWV CWV NCPLWVCP
WSR NWV CWV NCPLWVCP
ICH BIN EIN BERLINER
affine
affine
substitution
{ "type": "keyword", "value": "5,8" }
beginner
de
17
20
cipher_museum
0.2
public
null
null
confederate-vigenere-v2-0106
SEAGYEDHVUQRFPBQTXVFZENNSGGFQLZIPCAMGGWJTAYNIIWGGIKPGGKYKBRXFHRCWTJHZVPCVROIJWMJW
SEAGYEDHVUQRFPBQTXVFZENNSGGFQLZIPCAMGGWJTAYNIIWGGIKPGGKYKBRXFHRCWTJHZVPCVROIJWMJW
GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "MANCHESTER" }
intermediate
en
81
81
cipher_museum
2.0
public
null
null
stager-route-227
VDISNDAEEXBSAQACIENVAWULIAXXTNLEIMIIVCECRIGTXXLLNEOIII
VDISNDAEEXBSAQACIENVAWULIAXXTNLEIMIIVCECRIGTXXLLNEOIII
VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE
stager_route
stager_route
transposition
{ "type": "integer", "value": 6 }
expert
en
54
54
cipher_museum
0.2
public
null
null
monoalphabetic-v3-0608
DCMMCO FKD BOIIJFK CKVOKTOD NURICE HOY EQYNTLAQFNBY CK KCKOTOOK SOVOKTY SCX EBFKACKA OVOQYTBCKA
DCMMCO FKD BOIIJFK CKVOKTOD NURICE HOY EQYNTLAQFNBY CK KCKOTOOK SOVOKTY SCX EBFKACKA OVOQYTBCKA
DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "FREEDOM" }
beginner
en
83
95
cipher_museum
2.0
public
null
null
cda-0004503
ESDEA MNOBY FCUHY RTLLS EBSAT VTSST OCNRL RYAEP AHYPA NYILX EEATM DRIOE ETRRT PTBHT CRNPX RMNTO EYSKT QWEES HWIAB OEGHX YNHHD RPNET UOCND SOUBA DVTAX SEORE NTONE ESICI WPSES EEHBX YENEL EITBR NQPRG IOATH SREEX
ESDEA MNOBY FCUHY RTLLS EBSAT VTSST OCNRL RYAEP AHYPA NYILX EEATM DRIOE ETRRT PTBHT CRNPX RMNTO EYSKT QWEES HWIAB OEGHX YNHHD RPNET UOCND SOUBA DVTAX SEORE NTONE ESICI WPSES EEHBX YENEL EITBR NQPRG IOATH SREEX
EVERY SYSTEM NEEDS AN HONEST THREAT MODEL MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS ATBASH ENCODES BY REVERSING THE ALPHABET
scytale
scytale
null
{ "cols": 7 }
hard
en
175
175
synthetic_educational
null
null
[ "column_count_search", "anagram_recovery" ]
Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.
cda-0008979
EAKWLAILCSYSEAERNVQFEERUXSXXXXHCRPIEANAYCN
EAKWLAILCSYSEAERNVQFEERUXSXXXXHCRPIEANAYCN
FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS
double_transposition
double_transposition
null
{ "key1": "MUSEUM", "key2": "FREEDOM" }
medium
en
42
42
synthetic_educational
null
null
[]
cda-0017715
ABOVE SCOUT TRACK RIGHT OTHER NAVAL GUIDE CLAIM LINES AGAIN INNER MIXED NEEDS ENEMY ENTER DEPOT STAGE SWIFT TURNS RIGHT OFTEN NAVAL GIVEN EARLY VITAL
ABOVE SCOUT TRACK RIGHT OTHER NAVAL GUIDE CLAIM LINES AGAIN INNER MIXED NEEDS ENEMY ENTER DEPOT STAGE SWIFT TURNS RIGHT OFTEN NAVAL GIVEN EARLY VITAL
A STRONG CLAIM NEEDS STRONG EVIDENCE POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS
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.
beaufort-v2-0846
ONLJYXWJPTJZYZJPSRIMYAKRXJZHJYWWVDXPSYVDXGWUJDXZEJLDLNYZZDLQCUVTCRIYVDDJLYYP
ONLJYXWJPTJZYZJPSRIMYAKRXJZHJYWWVDXPSYVDXGWUJDXZEJLDLNYZZDLQCUVTCRIYVDDJLYYP
MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES
beaufort
beaufort
polyalphabetic
{ "type": "keyword", "value": "ANCHOR" }
intermediate
en
76
76
cipher_museum
2.0
public
null
null
one-time-pad-048
QADOZHCCLQADOEXPHAPFJOBKTGLFAPGSUIVWOFKCYEQZWOUPDSUBWFA
QADOZHCCLQADOEXPHAPFJOBKTGLFAPGSUIVWOFKCYEQZWOUPDSUBWFA
TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND
one_time_pad
one_time_pad
stream
{ "type": "pad", "value": "XMCKLQPOS (repeating)" }
expert
en
55
55
cipher_museum
0.2
public
null
null
monoalphabetic-vi-0174
OIM QET FIMP XISM KIP AN C YIHNSGAHK OAMT C BTCFISN KIP VEI VAFF HIQ NECMT EAN KFIMX VAQE CHIQETM
OIM QET FIMP XISM KIP AN C YIHNSGAHK OAMT C BTCFISN KIP VEI VAFF HIQ NECMT EAN KFIMX VAQE CHIQETM
FOR THE LORD YOUR GOD IS A CONSUMING FIRE A JEALOUS GOD WHO WILL NOT SHARE HIS GLORY WITH ANOTHER
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "CRYPTOKEY" }
beginner
en
78
97
cipher_museum
2.0
public
null
null
trifid-038
TRFLKMZRBHGV+ITLJTICALHLKXQQIKASHFUEGQIKSITII
TRFLKMZRBHGV+ITLJTICALHLKXQQIKASHFUEGQIKSITII
THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED
trifid
trifid
fractionation
{ "type": "keyword", "value": "FELIX" }
advanced
en
45
45
cipher_museum
0.2
public
null
null
commercial-code-v3-0037
BABAB ZUZUZ ZAZUZ GAZUZ PAZUZ GAZUZ XAZUZ DAZUZ SAZUZ TAZUZ GAZUZ XUZUZ ZUZUZ WAZUZ GAZUZ CEZUZ GAZUZ BAZUZ PAZUZ XAZUZ XUZUZ
BABAB ZUZUZ ZAZUZ GAZUZ PAZUZ GAZUZ XAZUZ DAZUZ SAZUZ TAZUZ GAZUZ XUZUZ ZUZUZ WAZUZ GAZUZ CEZUZ GAZUZ BAZUZ PAZUZ XAZUZ XUZUZ
THE TELESCOPE REVEALS
commercial_code
commercial_code
codebook
{ "type": "none", "value": null }
expert
en
105
125
cipher_museum
2.0
public
null
null
vigenere-v3-0760
EPFWYHRSMBVUKMFVEXYXUZZMH
EPFWYHRSMBVUKMFVEXYXUZZMH
THE SHOT HEARD ROUND THE WORLD
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "LIBERTY" }
intermediate
en
25
25
cipher_museum
2.0
public
null
null
chaocipher-v2-0274
PXAVJHZAFHWDSVLK
PXAVJHZAFHWDSVLK
DIVIDE AND CONQUER
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
16
16
cipher_museum
2.0
public
null
null
great-cipher-v2-0195
142 156 135 179 138 142 143 182 167 168 119 128 168 100 180 160 117 119 126 115 175 161 113 171 168 112 138 142 181 126 119 161 150 146 152 119 161 150 136 179 175 166 153 170 136 122 128 175 143 137 135 143 129 117 120 166 174 135 130 124 174 157 177
142 156 135 179 138 142 143 182 167 168 119 128 168 100 180 160 117 119 126 115 175 161 113 171 168 112 138 142 181 126 119 161 150 146 152 119 161 150 136 179 175 166 153 170 136 122 128 175 143 137 135 143 129 117 120 166 174 135 130 124 174 157 177
ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "ROSSIGNOL" }
expert
en
189
251
cipher_museum
2.0
public
null
null
autokey-076
UMCKVVARSRIGMZJBKU
UMCKVVARSRIGMZJBKU
SEND REINFORCEMENTS
autokey
autokey
polyalphabetic
{ "type": "keyword", "value": "CIPHER" }
intermediate
en
18
18
cipher_museum
0.2
public
null
null
vic-v2-0165
6559083493858858089689906824608046283846010831899018448656958984609586688908985051814898288469089906824
6559083493858858089689906824608046283846010831899018448656958984609586688908985051814898288469089906824
ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE
vic
vic
substitution
{ "type": "keyword", "value": "NICKEL" }
advanced
en
103
103
cipher_museum
2.0
public
null
null
hill-v2-0126
ICOXJNEEWZEEGZPYVBPFBJTZRPYOLDXZDQQXPVXZKYCUTSNOYBWABKBUDPYOFMGXKWORUUTGAOLDYITSBCEITZIIMJNNSEBLPFRBREZKDQHGQXPYYASCDPDQJUZGJNRECUZWOXQKZVTFDVICGPHXMICBWUCCTSOXRRBGOQLDESPVVQXMQXFV
ICOXJNEEWZEEGZPYVBPFBJTZRPYOLDXZDQQXPVXZKYCUTSNOYBWABKBUDPYOFMGXKWORUUTGAOLDYITSBCEITZIIMJNNSEBLPFRBREZKDQHGQXPYYASCDPDQJUZGJNRECUZWOXQKZVTFDVICGPHXMICBWUCCTSOXRRBGOQLDESPVVQXMQXFV
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
hill
hill
polygraphic
{ "a": 3, "b": 5, "c": 2, "d": 9 }
advanced
en
180
180
cipher_museum
2.0
public
null
null
aeneas-tacticus-016
19 5 14 4 18 5 9 14 6 15 18 3 5 13 5 14 20 19
19 5 14 4 18 5 9 14 6 15 18 3 5 13 5 14 20 19
SEND REINFORCEMENTS
aeneas_tacticus
aeneas_tacticus
steganography
{ "type": "none", "value": null }
expert
en
28
45
cipher_museum
0.2
public
null
null
fractionated-morse-v2-0359
IAKIQYBFAKESTGDPYPTAARSTEPYNGJVMTEPGTMLSEPALQAKIVYLWIAKEWLAKGMLPPAEVNAPUSGMNYQNYNPVNAEVNAESBLMUYAYDPUBYGNRQUUABABBFYNSDWJWLYQGEVMHVMBBMAKGMLQWTEYDVSGTESFYGYNSDSHMTTEC
IAKIQYBFAKESTGDPYPTAARSTEPYNGJVMTEPGTMLSEPALQAKIVYLWIAKEWLAKGMLPPAEVNAPUSGMNYQNYNPVNAEVNAESBLMUYAYDPUBYGNRQUUABABBFYNSDWJWLYQGEVMHVMBBMAKGMLQWTEYDVSGTESFYGYNSDSHMTTEC
FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
166
166
cipher_museum
2.0
public
null
null
confederate-vigenere-v2-0671
VTNDZBNXRDBVOJTCJTJBIYDEIWZZVJKNFSFACMCBVUBRZOWNN
VTNDZBNXRDBVOJTCJTJBIYDEIWZZVJKNFSFACMCBVUBRZOWNN
ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "VICKSBURG" }
intermediate
en
49
49
cipher_museum
2.0
public
null
null
cda-0013988
19.20.8 5.30.3 10.23.13 18.23.3 16.10.8 15.19.8 5.21.2 4.33.4 15.32.14 3.36.4 17.25.11 12.12.2 13.18.9 15.4.14 8.18.13 14.3.14 10.1.7 6.38.6 11.39.11 2.22.14 8.49.1 8.30.8 16.7.5 3.24.4 16.24.1 6.1.12 14.25.15 11.47.6 8.21.12 5.16.3 20.8.6 14.45.6 8.5.4 3.3.12 9.14.14 16.43.7 15.41.1 14.39.3 1.42.12 1.35.4 9.17.7 9.24....
19.20.8 5.30.3 10.23.13 18.23.3 16.10.8 15.19.8 5.21.2 4.33.4 15.32.14 3.36.4 17.25.11 12.12.2 13.18.9 15.4.14 8.18.13 14.3.14 10.1.7 6.38.6 11.39.11 2.22.14 8.49.1 8.30.8 16.7.5 3.24.4 16.24.1 6.1.12 14.25.15 11.47.6 8.21.12 5.16.3 20.8.6 14.45.6 8.5.4 3.3.12 9.14.14 16.43.7 15.41.1 14.39.3 1.42.12 1.35.4 9.17.7 9.24....
PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION
book_cipher
book_cipher
null
{}
hard
en
140
140
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
playfair-355
HTQTKUTHFYAQSNAL
HTQTKUTHFYAQSNAL
NO PRISONERS TAKEN
playfair
playfair
polygraphic
{ "type": "keyword", "value": "MUSEUM" }
intermediate
en
16
16
cipher_museum
0.2
public
null
null
porta-248
ZMXOIGENEUDG
ZMXOIGENEUDG
HOLD POSITION
porta
porta
polyalphabetic
{ "type": "keyword", "value": "KEYWORD" }
intermediate
en
12
12
cipher_museum
0.2
public
null
null
cda-0021631
34 35 15 33 43 34 45 42 13 15 44 34 34 31 43 11 31 31 34 52 24 33 14 15 35 15 33 14 15 33 44 51 15 42 24 21 24 13 11 44 24 34 33
34 35 15 33 43 34 45 42 13 15 44 34 34 31 43 11 31 31 34 52 24 33 14 15 35 15 33 14 15 33 44 51 15 42 24 21 24 13 11 44 24 34 33
OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION
polybius
polybius
null
{}
medium
en
43
43
synthetic_educational
null
null
[ "pair_decode", "frequency_analysis" ]
Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
cda-0019919
44 23 15 42 11 24 31 21 15 33 13 15 13 24 35 23 15 42 52 42 24 44 15 43 44 15 53 44 24 33 11 55 24 22 55 11 22 35 11 44 44 15 42 33 44 23 15 14 15 44 15 13 44 24 51 15 43 44 45 14 24 15 43 35 11 44 44 15 42 33 43 12 15 21 34 42 15 32 11 25 24 33 22 13 31 11 24 32 43
44 23 15 42 11 24 31 21 15 33 13 15 13 24 35 23 15 42 52 42 24 44 15 43 44 15 53 44 24 33 11 55 24 22 55 11 22 35 11 44 44 15 42 33 44 23 15 14 15 44 15 13 44 24 51 15 43 44 45 14 24 15 43 35 11 44 44 15 42 33 43 12 15 21 34 42 15 32 11 25 24 33 22 13 31 11 24 32 43
THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS
polybius
polybius
null
{}
hard
en
89
89
synthetic_educational
null
null
[ "pair_decode", "frequency_analysis" ]
Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
lorenz-256
RALLIATDAWN
RALLIATDAWN
RALLY AT DAWN
lorenz
lorenz
machine
{ "type": "seed", "value": "ENIGMA" }
expert
en
11
11
cipher_museum
0.2
public
null
null
bazeries-114
EKEEBSWLKFYJYQEBSQERJESQLYKACQBMCIPULIITPEGAKCRPABSCWYTISTEPEP
EKEEBSWLKFYJYQEBSQERJESQLYKACQBMCIPULIITPEGAKCRPABSCWYTISTEPEP
THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE
bazeries
bazeries
transposition
{ "type": "integer", "value": 13 }
advanced
en
62
62
cipher_museum
0.2
public
null
null
diana-v3-0257
XVVCMSEXJWXZDAGZBSHGECPBXDRPBZYKPRQQVWVYNONVAUUKSIYVWBMKNPEQOAZKLLBMJJG
XVVCMSEXJWXZDAGZBSHGECPBXDRPBZYKPRQQVWVYNONVAUUKSIYVWBMKNPEQOAZKLLBMJJG
IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY
diana
diana
polyalphabetic
{ "type": "keyword", "value": "FORCES" }
intermediate
en
71
71
cipher_museum
2.0
public
null
null
cda-0010917
FRPHE VGLPY NVZFF UBHYQ ORGRF GRQHA QREFP EHGVA L
FRPHE VGLPY NVZFF UBHYQ ORGRF GRQHA QREFP EHGVA L
SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY
rot13
rot13
null
{ "shift": 13 }
medium
en
41
41
synthetic_educational
null
null
[]
typex-037
HTWJDJRDWOAHSDVWKOJJHBQUJZWMQXRGRIWVLQOIJI
HTWJDJRDWOAHSDVWKOJJHBQUJZWMQXRGRIWVLQOIJI
GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY
typex
typex
machine
{ "type": "keyword", "value": "TYPEX" }
expert
en
42
42
cipher_museum
0.2
public
null
null
hill-v3-0386
DNYXRVILTRHBKMKEQQKQBOLXPLDMIKDNYXRVKEKBBLWKSNTREIBOKPLLDTGTWDDGGFGIWWXZ
DNYXRVILTRHBKMKEQQKQBOLXPLDMIKDNYXRVKEKBBLWKSNTREIBOKPLLDTGTWDDGGFGIWWXZ
DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS
hill
hill
polygraphic
{ "a": 9, "b": 2, "c": 7, "d": 5 }
advanced
en
72
72
cipher_museum
2.0
public
null
null
cda-0019260
RXKES DBRPH MFWRJ AASTN MDXIC GVHWR QKSJM XQOPE MQVDW IEK
RXKES DBRPH MFWRJ AASTN MDXIC GVHWR QKSJM XQOPE MQVDW IEK
DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS
running_key
running_key
null
{}
medium
en
48
48
synthetic_educational
null
null
[ "index_of_coincidence", "probable_plaintext" ]
Running-key cipher: Vigenère with a very long key (e.g. a book passage).
nihilist-v3-0223
67 37 87 46 45 57 63 56 57 76 52 45
67 37 87 46 45 57 63 56 57 76 52 45
YANKEE DOODLE
nihilist
nihilist
fractionation
{ "polybius": "TRIUMPH", "keyword": "JUSTICE" }
advanced
en
24
35
cipher_museum
2.0
public
null
null
cda-0013825
15.39.14 17.45.10 16.10.12 17.40.12 2.13.8 15.42.2 8.9.5 5.48.4 4.49.14 12.27.11 12.21.12 11.46.10 2.30.3 15.35.7 19.38.6 18.44.8 4.2.9 5.30.3 1.49.10 1.28.8 19.28.8 12.35.7 14.20.14 3.37.12 1.35.15 20.39.11 13.3.12 17.4.8 7.50.9 3.4.5 18.24.4 18.24.10 13.16.7 10.10.3 2.3.14 18.34.15 11.9.4 17.2.11 18.20.2 10.11.15 13....
15.39.14 17.45.10 16.10.12 17.40.12 2.13.8 15.42.2 8.9.5 5.48.4 4.49.14 12.27.11 12.21.12 11.46.10 2.30.3 15.35.7 19.38.6 18.44.8 4.2.9 5.30.3 1.49.10 1.28.8 19.28.8 12.35.7 14.20.14 3.37.12 1.35.15 20.39.11 13.3.12 17.4.8 7.50.9 3.4.5 18.24.4 18.24.10 13.16.7 10.10.3 2.3.14 18.34.15 11.9.4 17.2.11 18.20.2 10.11.15 13....
THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER
book_cipher
book_cipher
null
{}
medium
en
55
55
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
typex-015
PRTVYRMMUKTUXZF
PRTVYRMMUKTUXZF
OPERATION BEGINS
typex
typex
machine
{ "type": "keyword", "value": "TYPEX" }
expert
en
15
15
cipher_museum
0.2
public
null
null
cda-0014799
chedy oror okal daiin shal ytedy chedal chedal okeedy dal shal dal cheol okain daral kaiiin shor
chedy oror okal daiin shal ytedy chedal chedal okeedy dal shal dal cheol okain daral kaiiin shor
POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE
voynich_render
voynich_render
null
{}
hard
en
80
80
synthetic_educational
null
null
[ "statistical_analysis", "unsolved" ]
Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
cda-0002997
TIGI SZXZ YDKC QPWE XVJN MZOQ UNKF AZSW JWWU IMUH GHGL SKYN COMM SGGO HZYL AJNT SVHH UHMX HXAX QSHF THTJ GAQW QVQL HWUD WLMV CBUZ SIKG HJTI CCXZ FFSR KIWT FVJQ SQIO IEVT QLMW SRYN KXJY UKCW OXLC TIGE SRHL UJMS UAS
TIGI SZXZ YDKC QPWE XVJN MZOQ UNKF AZSW JWWU IMUH GHGL SKYN COMM SGGO HZYL AJNT SVHH UHMX HXAX QSHF THTJ GAQW QVQL HWUD WLMV CBUZ SIKG HJTI CCXZ FFSR KIWT FVJQ SQIO IEVT QLMW SRYN KXJY UKCW OXLC TIGE SRHL UJMS UAS
THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE MESSAGE WAS HIDDEN BUT NOT SECURE ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE
trithemius
trithemius
null
{}
hard
en
171
171
synthetic_educational
null
null
[ "progressive_shift_detection", "frequency_analysis" ]
Trithemius: progressive Caesar (shift = letter position); no key needed.
four-square-013
ALXLUBHQPYRHEORU
ALXLUBHQPYRHEORU
ENEMY FORCES NEAR
four_square
four_square
polygraphic
{ "key1": "EXAMPLE", "key2": "KEYWORD" }
advanced
en
16
16
cipher_museum
0.2
public
null
null
vic-v3-0115
82855808188858454680
82855808188858454680
GOLD FROM LEAD
vic
vic
substitution
{ "type": "keyword", "value": "NICKEL" }
advanced
en
20
20
cipher_museum
2.0
public
null
null
typex-198
ZJVEUJXJOLRMNDLZ
ZJVEUJXJOLRMNDLZ
BURN AFTER READING
typex
typex
machine
{ "type": "keyword", "value": "SECRET" }
expert
en
16
16
cipher_museum
0.2
public
null
null
sigaba-v2-0186
MNECBMNQDORIKWGOLGJXVPPFDDNFUZIKJCRDFEJNGBWOZJTHMEHJYRCLFCFVQKHHWVPRR
MNECBMNQDORIKWGOLGJXVPPFDDNFUZIKJCRDFEJNGBWOZJTHMEHJYRCLFCFVQKHHWVPRR
BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION
sigaba
sigaba
machine
{ "type": "seed", "value": "ARMY" }
expert
en
69
69
cipher_museum
2.0
public
null
null
adfgx-v3-0217
DDXGADADDAFXGFADAXDAADDFGFGGDAXAXFAGFGAA
DDXGADADDAFXGFADAXDAADDFGFGGDAXAXFAGFGAA
THE COMPASS POINTS TRUE
adfgx
adfgx
fractionation
{ "polybius": "TRIUMPH", "columnar": "JUSTICE" }
advanced
en
40
40
cipher_museum
2.0
public
null
null
nomenclator-v3-0215
13 01 18 03 08 63 22 09 03 20 15 18 25
13 01 18 03 08 63 22 09 03 20 15 18 25
MARCH TO VICTORY
nomenclator
nomenclator
nomenclator
{ "type": "seed", "value": "LIBERTY" }
expert
en
26
38
cipher_museum
2.0
public
null
null
jefferson-disk-087
TIBIYPTSZCYOLSSBPEYKZJFVIIXSUPVXHFJBDZYXEGKHZ
TIBIYPTSZCYOLSSBPEYKZJFVIIXSUPVXHFJBDZYXEGKHZ
NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "2,4,1,6,3,5" }
expert
en
45
45
cipher_museum
0.2
public
null
null
hill-231
LHGAPYHWSMFLGATXNNNKCJRRIYPQFPQMMJYAOUHGZUPHRROANAHMAYCJBAPH
LHGAPYHWSMFLGATXNNNKCJRRIYPQFPQMMJYAOUHGZUPHRROANAHMAYCJBAPH
KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT
hill
hill
polygraphic
{ "a": 5, "b": 3, "c": 2, "d": 7 }
advanced
en
60
60
cipher_museum
0.2
public
null
null
fialka-v2-0021
SOZIWENVKOY
SOZIWENVKOY
KNOW THYSELF
fialka
fialka
machine
{ "type": "seed", "value": "MOSCOW" }
expert
en
11
11
cipher_museum
2.0
public
null
null
columnar-transposition-v2-1119
OOINETTFADTYIIBIWNCNEEAIOTAAONATATESCUCNNLRIATTEALDOEERCSORCABCTSLAHITIEARTUEUFYACETHWVPETSRAHISRHIEQINUGTFFMCSIEETEOONTJNHOOEDARTROTMFDRHFONATIHOTE
OOINETTFADTYIIBIWNCNEEAIOTAAONATATESCUCNNLRIATTEALDOEERCSORCABCTSLAHITIEARTUEUFYACETHWVPETSRAHISRHIEQINUGTFFMCSIEETEOONTJNHOOEDARTROTMFDRHFONATIHOTE
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
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "TRIUMPH" }
intermediate
en
148
148
cipher_museum
2.0
public
null
null
columnar-transposition-256
ECSSIEDONNFERRTENM
ECSSIEDONNFERRTENM
SEND REINFORCEMENTS
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "ENIGMA" }
intermediate
en
18
18
cipher_museum
0.2
public
null
null
slidex-v2-0044
UFROTNPOTOQUKHRUMPWICTDORPJKDCJQFQIDVHEVANZFSCQAFRGVYRBIJQFQZSSSXVYP
UFROTNPOTOQUKHRUMPWICTDORPJKDCJQFQIDVHEVANZFSCQAFRGVYRBIJQFQZSSSXVYP
COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE
slidex
slidex
transposition
{ "type": "keyword", "value": "BLETCHLEY" }
advanced
en
68
68
cipher_museum
2.0
public
null
null
diana-v3-0375
XVYBRVFEEBTGLUIDNNPPGAIOBNQKYDTJNGKUWBROVXHIZXNBQYPUALCULPXMYBULHNNEPQYNBMJFL
XVYBRVFEEBTGLUIDNNPPGAIOBNQKYDTJNGKUWBROVXHIZXNBQYPUALCULPXMYBULHNNEPQYNBMJFL
ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION
diana
diana
polyalphabetic
{ "type": "keyword", "value": "LIBERTY" }
intermediate
en
77
77
cipher_museum
2.0
public
null
null
cda-0019867
.... .... .. ... . ..... . .. .. .... .. . .. .... . .... . ... .. .... ... ..... .. ... . ..... .... .. . ... ... .... ... .. . .. .. .... ... ... . ..... .... ... . . ... ..... ... .... ... . ..... .... . .. .. .... .... ..... .... ... .... ... .... . .... ..... . . .... .. . ........
.... .... .. ... . ..... . .. .. .... .. . .. .... . .... . ... .. .... ... ..... .. ... . ..... .... .. . ... ... .... ... .. . .. .. .... ... ... . ..... .... ... . . ... ..... ... .... ... . ..... .... . .. .. .... .... ..... .... ... .... ... .... . .... ..... . . .... .. . ........
THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS
tap_code
tap_code
null
{}
hard
en
105
105
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.
nihilist-v3-0279
65 36 77 53 45 76 64 25 37 87 65 46 68 44 28 57 78 45 56 76 64 25 56 60 43 55 36 56 45 39 88 26 45 70 63 45 59 56 23 27 50 43 26 65 77 54 46 36 54 45 59 77 43 55 56 77 26 25 58 56 24 47 64 25 27 79 33 24 68 65 24 36 77 32 45 68 53 54 46 56 54 36 66 43 45 26 88 23 24 68 55 37 57 86 24 58 47 45 24 37 87 42 24 68 45 55 59...
65 36 77 53 45 76 64 25 37 87 65 46 68 44 28 57 78 45 56 76 64 25 56 60 43 55 36 56 45 39 88 26 45 70 63 45 59 56 23 27 50 43 26 65 77 54 46 36 54 45 59 77 43 55 56 77 26 25 58 56 24 47 64 25 27 79 33 24 68 65 24 36 77 32 45 68 53 54 46 56 54 36 66 43 45 26 88 23 24 68 55 37 57 86 24 58 47 45 24 37 87 42 24 68 45 55 59...
WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES
nihilist
nihilist
fractionation
{ "polybius": "TRIUMPH", "keyword": "JUSTICE" }
advanced
en
322
482
cipher_museum
2.0
public
null
null