Split (3)

train · 58.3k rows

id stringlengths 7 52	text stringlengths 6 2.11k	ciphertext stringlengths 6 2.11k	plaintext stringlengths 6 282	label stringclasses 81 values	cipher stringclasses 81 values	cipher_family stringclasses 13 values	key unknown	difficulty stringclasses 7 values	language stringclasses 8 values	text_length int64 6 1.09k	length int64 6 1.28k	source stringclasses 2 values	dataset_version stringclasses 2 values	split stringclasses 1 value	attack_methods listlengths 0 3 ⌀	educational_note stringclasses 32 values
cda-0009159	TSCQ WUUZ QCSZ ZPWE XVJL LZWO PZNH GOIY ZLZB GTFU CJJJ MUMO EQSS IPPI ENRJ TXCP PVGP FFKM OMAK MSAT NRKF T	TSCQ WUUZ QCSZ ZPWE XVJL LZWO PZNH GOIY ZLZB GTFU CJJJ MUMO EQSS IPPI ENRJ TXCP PVGP FFKM OMAK MSAT NRKF T	TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION FAIL CLOSED IS A POSTURE NOT A SLOGAN	trithemius	trithemius	null	{}	hard	en	85	85	synthetic_educational	null	null	[]
cda-0010543	BCRA FBHEPS GBBYF OYYBJ VARRCRARSAG IREWSWNOGWBA NBNHZAOE GEOAFCBFVGVBA EROQF QBYHZAF WA NRL BEQSE COGGSEA JBERF USYC PEROX ZBABOYCVONSGVQ FHPFGWGHGWBA CRSE ESIVSJ OAQ ESCEBQHQWPWYVGL ZOGGSE VA ERFSOENU	BCRA FBHEPS GBBYF OYYBJ VARRCRARSAG IREWSWNOGWBA NBNHZAOE GEOAFCBFVGVBA EROQF QBYHZAF WA NRL BEQSE COGGSEA JBERF USYC PEROX ZBABOYCVONSGVQ FHPFGWGHGWBA CRSE ESIVSJ OAQ ESCEBQHQWPWYVGL ZOGGSE VA ERFSOENU	OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH	porta	porta	null	{ "key": "SECURE" }	hard	en	177	177	synthetic_educational	null	null	[]
cda-0017480	PATTX RNWOZ DSHEX PBREX KMONO ALPHA BETIC SUBSZ ITUTX ONSUB STITX TIONC IPHER SMAPE ACHLZ TTERX OADIF FEREZ TLETT ERDZC	PATTX RNWOZ DSHEX PBREX KMONO ALPHA BETIC SUBSZ ITUTX ONSUB STITX TIONC IPHER SMAPE ACHLZ TTERX OADIF FEREZ TLETT ERDZC	PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER	commercial_code	commercial_code	null	{}	hard	en	100	100	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-0015544	AFTER NAVAL AFTER FORCE FIELD INCUR NEEDS EXACT CAUSE INCUR POSTS HENCE ENEMY ROUTE AMONG POSTS POINT LEADS INNER EXACT SHORE AFTER LOCAL INCUR NORTH	AFTER NAVAL AFTER FORCE FIELD INCUR NEEDS EXACT CAUSE INCUR POSTS HENCE ENEMY ROUTE AMONG POSTS POINT LEADS INNER EXACT SHORE AFTER LOCAL INCUR NORTH	AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER	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.
monoalphabetic-v3-0995	RBO RBCJ POD GCJO QRKKD MCPH WR IWGWSGWUW WQ RBO PTQQCWJ SWUWGPY SBWPAOD WSPKQQ RBO LGWCJ	RBO RBCJ POD GCJO QRKKD MCPH WR IWGWSGWUW WQ RBO PTQQCWJ SWUWGPY SBWPAOD WSPKQQ RBO LGWCJ	THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN	monoalphabetic	monoalphabetic	substitution	{ "type": "keyword", "value": "WISDOM" }	beginner	en	74	89	cipher_museum	2.0	public	null	null
chaocipher-v2-0434	OZJUCDYWUNGQOEYOWYTYQGFRQAKCTSLAPMDAUPOPDTXZAHIBEDHFHGRGOKWPKRLFEKK	OZJUCDYWUNGQOEYOWYTYQGFRQAKCTSLAPMDAUPOPDTXZAHIBEDHFHGRGOKWPKRLFEKK	I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH	chaocipher	chaocipher	machine	{ "type": "keyword", "value": "JUSTICE" }	advanced	en	67	67	cipher_museum	2.0	public	null	null
red-type-a-v2-0224	BYKOBUGTUHEAHYHZVUMUOMJAFYQKIVEGUZAMTAAKMOIGUTBDOWWEJJYMUIDKIOJVAQLUNRORKOBGUN	BYKOBUGTUHEAHYHZVUMUOMJAFYQKIVEGUZAMTAAKMOIGUTBDOWWEJJYMUIDKIOJVAQLUNRORKOBGUN	LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES	red_type_a	red_type_a	machine	{ "type": "keyword", "value": "YAMATO" }	advanced	en	78	78	cipher_museum	2.0	public	null	null
monoalphabetic-414	QSB BGBFX DGHVN QSB NXNQBF YBNAUG XHRM LAJSBM PLLHMYAGUEX VAQS UMBPQ LPMB	QSB BGBFX DGHVN QSB NXNQBF YBNAUG XHRM LAJSBM PLLHMYAGUEX VAQS UMBPQ LPMB	THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE	monoalphabetic	monoalphabetic	substitution	{ "type": "keyword", "value": "POLYBIUS" }	beginner	en	62	73	cipher_museum	0.2	public	null	null
cda-0009308	THZB HTKB LDRK LLRJ GZMW MVKA UZWC AGYX ZSLC GQYJ BOVS T	THZB HTKB LDRK LLRJ GZMW MVKA UZWC AGYX ZSLC GQYJ BOVS T	THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS	beaufort	beaufort	null	{ "key": "MODEL" }	medium	en	45	45	synthetic_educational	null	null	[]
cda-0007301	GRXO XPLJ KBRR IATA JCRG HHNX EGXU LYZW CMUU QTRO PBXD ZQJG WDFX RPPM HIJK APGA EILN CTUE LKNG WNFT MYCQ KOIW DG	GRXO XPLJ KBRR IATA JCRG HHNX EGXU LYZW CMUU QTRO PBXD ZQJG WDFX RPPM HIJK APGA EILN CTUE LKNG WNFT MYCQ KOIW DG	FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION	beaufort	beaufort	null	{ "key": "LIBERTY" }	hard	en	90	90	synthetic_educational	null	null	[]
cda-0010501	SIREL FLFGSZ ASRQF OA VBASFG GUESOG ZBQSY UWFGBEVQOY QWCVREF OES GROQUSEF ABG CEBGSNGVBA	SIREL FLFGSZ ASRQF OA VBASFG GUESOG ZBQSY UWFGBEVQOY QWCVREF OES GROQUSEF ABG CEBGSNGVBA	EVERY SYSTEM NEEDS AN HONEST THREAT MODEL HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION	porta	porta	null	{ "key": "SECURE" }	medium	en	76	76	synthetic_educational	null	null	[]
sigaba-v2-0372	GUDQSQJFRAVRCRAEEFTHFUBCOKTHXWHJVRTQIWUGQMPHJEOPBSFDZEPLBIFFACJWZYNTEVFMBZYSLKGRJSWPWXBSDGXYUKFMNLSBKLQRAZFKXUDWXAZFVZMODKGSSPHFXHEDOHLLRKPEMCMDASTXBPOUQOFNVOGLBBVZNGXQLXCNAYQVLGYEU	GUDQSQJFRAVRCRAEEFTHFUBCOKTHXWHJVRTQIWUGQMPHJEOPBSFDZEPLBIFFACJWZYNTEVFMBZYSLKGRJSWPWXBSDGXYUKFMNLSBKLQRAZFKXUDWXAZFVZMODKGSSPHFXHEDOHLLRKPEMCMDASTXBPOUQOFNVOGLBBVZNGXQLXCNAYQVLGYEU	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	sigaba	sigaba	machine	{ "type": "seed", "value": "FREEDOM" }	expert	en	181	181	cipher_museum	2.0	public	null	null
confederate-vigenere-v2-0220	TWFLPHEDEAOPEGVREQPKUQNWVAGUQALIFZELEOFVVUDSUBTDCWPNFVREFZFLDKVWYPGHHMNUKQNSQFLXEQVZ	TWFLPHEDEAOPEGVREQPKUQNWVAGUQALIFZELEOFVVUDSUBTDCWPNFVREFZFLDKVWYPGHHMNUKQNSQFLXEQVZ	CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS	confederate_vigenere	confederate_vigenere	polyalphabetic	{ "type": "keyword", "value": "RICHMOND" }	intermediate	en	84	84	cipher_museum	2.0	public	null	null
rail-fence-vg-0043	TVPFTKWHRESLIUTHREEEASIETLUEORFHTNBWS	TVPFTKWHRESLIUTHREEEASIETLUEORFHTNBWS	THE HARVEST IS PLENTIFUL BUT THE WORKERS FEW	rail_fence	rail_fence	transposition	{ "type": "integer", "value": 4 }	intermediate	en	37	37	cipher_museum	2.0	public	null	null
autokey-v2-0283	GMOMMBBDZVKD	GMOMMBBDZVKD	VENI VIDI VICI	autokey	autokey	polyalphabetic	{ "type": "keyword", "value": "LIBERTY" }	intermediate	en	12	12	cipher_museum	2.0	public	null	null
adfgvx-v2-0186	FFAGAADXAVFXAVAXGVAVAGDVDXAGAVDVFGGVADDXAGDDDFGGXDAFADFFDFDFAXADAFGVDXAGAGFXAAFDFXDXGGAAFGGVDGFGAGAXGXAVADFDAXAGAGGFDXFDGFGAFADDVDXAVDVDVF	FFAGAADXAVFXAVAXGVAVAGDVDXAGAVDVFGGVADDXAGDDDFGGXDAFADFFDFDFAXADAFGVDXAGAGFXAAFDFXDXGGAAFGGVDGFGAGAXGXAVADFDAXAGAGGFDXFDGFGAFADDVDXAVDVDVF	BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION	adfgvx	adfgvx	fractionation	{ "polybius": "LIBERTY", "columnar": "FREEDOM" }	advanced	en	138	138	cipher_museum	2.0	public	null	null
slidex-v2-0247	VAIJODDKLPPEXDWEHMAXXJULYTDOLGSSGGLPXSKMKZFYOBDAOCCJOITANXFCVNHDODQCYQASMSYTQMEVHIURHMYPLANNIQNFCKVSASCULMLRLPMGRXJKMQQRVCIZFFSSINGDIJCYWSIJZWTWDZULFW	VAIJODDKLPPEXDWEHMAXXJULYTDOLGSSGGLPXSKMKZFYOBDAOCCJOITANXFCVNHDODQCYQASMSYTQMEVHIURHMYPLANNIQNFCKVSASCULMLRLPMGRXJKMQQRVCIZFFSSINGDIJCYWSIJZWTWDZULFW	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	slidex	slidex	transposition	{ "type": "keyword", "value": "LIBERTY" }	advanced	en	150	150	cipher_museum	2.0	public	null	null
cda-0009846	EVEPVVKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETLYSOUGKAQOWMRHCLMWCYSPQDZLARQWPIZYBTMBJOWZWMURBSILGCOKOKGOUNIFYIMPSAYZRWXVQEMEXVGBIGGRLCICUEEZCHANOPDAVQHRIZRUMSBXEKQTV	EVEPVVKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETLYSOUGKAQOWMRHCLMWCYSPQDZLARQWPIZYBTMBJOWZWMURBSILGCOKOKGOUNIFYIMPSAYZRWXVQEMEXVGBIGGRLCICUEEZCHANOPDAVQHRIZRUMSBXEKQTV	PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION	autokey	autokey	null	{ "primer": "PRAYER" }	hard	en	162	162	synthetic_educational	null	null	[]
cda-0012261	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.
playfair-v2-0872	MTMAUKDTEMDQATDTZLWCIZWPLPWICPIKLZRZBHYNKAGIEGYDGBDBWTGWNCCOQLMLZFHOAPLQWPHV	MTMAUKDTEMDQATDTZLWCIZWPLPWICPIKLZRZBHYNKAGIEGYDGBDBWTGWNCCOQLMLZFHOAPLQWPHV	ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING	playfair	playfair	polygraphic	{ "type": "keyword", "value": "WISDOM" }	intermediate	en	76	76	cipher_museum	2.0	public	null	null
cda-0006368	BAHNATSYUEPTISIEISIENAVMIEWNDSDINSHTTBULETIHPOSTUCATDTCTGTEPEHSHREETIEXIAUTAABSMTPRHMTIUEWVENENHCESMEQAHCFOKSEBTXRIBDEDHARTBMEXITIIXEOLTSEEHENEPOLUYETECLEREHIICROSIXSNIPACBNCXENSPARRTFOAODXHOSSGATRO	BAHNATSYUEPTISIEISIENAVMIEWNDSDINSHTTBULETIHPOSTUCATDTCTGTEPEHSHREETIEXIAUTAABSMTPRHMTIUEWVENENHCESMEQAHCFOKSEBTXRIBDEDHARTBMEXITIIXEOLTSEEHENEPOLUYETECLEREHIICROSIXSNIPACBNCXENSPARRTFOAODXHOSSGATRO	THE MESSAGE WAS HIDDEN BUT NOT SECURE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS	double_transposition	double_transposition	null	{ "key1": "JUSTICE", "key2": "DRAGON" }	hard	en	198	198	synthetic_educational	null	null	[ "key_length_search", "anagram_recovery" ]	Double columnar transposition: apply columnar twice for stronger security.
beaufort-es-063	OTMXARERRDDFAEPOETSKRGECSPLNRQO	OTMXARERRDDFAEPOETSKRGECSPLNRQO	EL QUE CON LOBOS ANDA A AULLAR APRENDE	beaufort	beaufort	polyalphabetic	{ "type": "keyword", "value": "SECRET" }	intermediate	es	31	31	cipher_museum	0.2	public	null	null
adfgx-v3-0131	DAGDAADXFDXDGAFFDAAGAXDAAAFDFGADAGDX	DAGDAADXFDXDGAFFDAAGAXDAAAFDFGADAGDX	GRAVITY EXPLAINS ALL	adfgx	adfgx	fractionation	{ "polybius": "LIBERTY", "columnar": "FREEDOM" }	advanced	en	36	36	cipher_museum	2.0	public	null	null
cda-0017671	857 852 800 841 856 845 844 854 824 858 826 844 840 999 806 826 845 823 812 853 856 999 852 812 801 852 852 802 841 819 814 999 833 813 858 858 812 853 854 999 867 824 859 822 842 862 857 999 855 860 803 855 859 825 859 860 858 825 844 839 999 806 853 874 847 857 842 819 851 801 845 823 872 999 852 813 866 801 851 810 ...	857 852 800 841 856 845 844 854 824 858 826 844 840 999 806 826 845 823 812 853 856 999 852 812 801 852 852 802 841 819 814 999 833 813 858 858 812 853 854 999 867 824 859 822 842 862 857 999 855 860 803 855 859 825 859 860 858 825 844 839 999 806 853 874 847 857 842 819 851 801 845 823 872 999 852 813 866 801 851 810 ...	TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING	culper_ring	culper_ring	null	{}	hard	en	100	100	synthetic_educational	null	null	[ "codebook_frequency", "number_range_analysis" ]	Culper Ring code: Washington's three-digit codebook numbers (800–999 range).
alberti-disk-v2-0686	LMZBUBYEGOIVQXUEFLDUAOFUDKJTPXNLISLHBUHVBCDQYUYFEZCRKNSJEFODSWDWCOU	LMZBUBYEGOIVQXUEFLDUAOFUDKJTPXNLISLHBUHVBCDQYUYFEZCRKNSJEFODSWDWCOU	I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH	alberti_disk	alberti_disk	disk	{ "type": "integer", "value": 14 }	expert	en	67	67	cipher_museum	2.0	public	null	null
kryptos-v2-0091	DYMJJSAZERQBFVYEQBJVMPJTDYEXJRQPBQLHGRGHDJLNNHNBEOLNNMAWUNDMAMCLSAGMLLYJDNZISXEE	DYMJJSAZERQBFVYEQBJVMPJTDYEXJRQPBQLHGRGHDJLNNHNBEOLNNMAWUNDMAMCLSAGMLLYJDNZISXEE	THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW	kryptos	kryptos	polyalphabetic	{ "type": "keyword", "value": "SHADOW" }	advanced	en	80	80	cipher_museum	2.0	public	null	null
voynich-render-015	indqogkir adhkrx	indqogkir adhkrx	OPERATION BEGINS	voynich_render	voynich_render	substitution	{ "type": "none", "value": null }	expert	en	15	16	cipher_museum	0.2	public	null	null
cardano-autokey-v2-0291	KHFGTHROWWYYLWSHNQVTSRCG	KHFGTHROWWYYLWSHNQVTSRCG	TORPEDO AWAY ALL HANDS BRACE	cardano_autokey	cardano_autokey	polyalphabetic	{ "type": "keyword", "value": "ROME" }	advanced	en	24	24	cipher_museum	2.0	public	null	null
two-square-v3-0169	YFCEECIGKPBQTHICEUNRDDQFXMYHSMDDWREUOPERCSIONSVKTHOUTALEEURIKQHEOPSEONYHSIDFDRVFOEBTRLAD	YFCEECIGKPBQTHICEUNRDDQFXMYHSMDDWREUOPERCSIONSVKTHOUTALEEURIKQHEOPSEONYHSIDFDRVFOEBTRLAD	TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE	two_square	two_square	polygraphic	{ "key1": "LIBERTY", "key2": "FREEDOM" }	advanced	en	88	88	cipher_museum	2.0	public	null	null
purple-v2-0073	AWMKBWBEMNRZZISMYQCGKXSQGGMYZJZNUJDUQJNRYGLKKYAAAACJBGVZUTFJVJEVJWPYXMTDQ	AWMKBWBEMNRZZISMYQCGKXSQGGMYZJZNUJDUQJNRYGLKKYAAAACJBGVZUTFJVJEVJWPYXMTDQ	THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED	purple	purple	machine	{ "type": "seed", "value": "TOKYO" }	expert	en	73	73	cipher_museum	2.0	public	null	null
lorenz-v2-0131	MISSIONACCOMPLISHED	MISSIONACCOMPLISHED	MISSION ACCOMPLISHED	lorenz	lorenz	machine	{ "type": "seed", "value": "FISH" }	expert	en	19	19	cipher_museum	2.0	public	null	null
fractionated-morse-v2-0285	TGGIPWFAKYHWBL	TGGIPWFAKYHWBL	ANNUIT COEPTIS	fractionated_morse	fractionated_morse	fractionation	{ "type": "keyword", "value": "LIBERTY" }	advanced	en	14	14	cipher_museum	2.0	public	null	null
affine-253	WRWGI HCJAWU RWEJ	WRWGI HCJAWU RWEJ	ENEMY FORCES NEAR	affine	affine	substitution	{ "a": 11, "b": 4 }	beginner	en	15	17	cipher_museum	0.2	public	null	null
argenti-v2-0243	70 17 67 41 28 16 13 83 56 75 59 63 32 20 12 37 82 28 66 44 83 72 37 18 20 67 32 83 63 66 82 25 23 56 26 41 27 20 44 17 67 28 25 71 83 77 22 44 23 56 33 67 72 25 84 41 13 63 26 72 37 41 20 75 44 17 56 33 23 81 83 67 22 25 17 56 66 18 72 44 89 75 13 67 20 22 83 25 37 44 23 56 66 82 41 25 71 75 37 17 34 23 69 20 44 17 67...	70 17 67 41 28 16 13 83 56 75 59 63 32 20 12 37 82 28 66 44 83 72 37 18 20 67 32 83 63 66 82 25 23 56 26 41 27 20 44 17 67 28 25 71 83 77 22 44 23 56 33 67 72 25 84 41 13 63 26 72 37 41 20 75 44 17 56 33 23 81 83 67 22 25 17 56 66 18 72 44 89 75 13 67 20 22 83 25 37 44 23 56 66 82 41 25 71 75 37 17 34 23 69 20 44 17 67...	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	argenti	argenti	nomenclator	{ "type": "seed", "value": "PAPAL" }	expert	en	358	536	cipher_museum	2.0	public	null	null
geheimschreiber-166	MYDIORCOMRGSQSELFQPJTHTAFPWQTZNTEVBXCGNUNNZEMLLUZDRQCRTBT	MYDIORCOMRGSQSELFQPJTHTAFPWQTZNTEVBXCGNUNNZEMLLUZDRQCRTBT	FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION	geheimschreiber	geheimschreiber	machine	{ "type": "seed", "value": "SECRET" }	expert	en	57	57	cipher_museum	0.2	public	null	null
alberti-disk-v3-0644	LCZQLEXYYLJP	LCZQLEXYYLJP	GOLD FROM LEAD	alberti_disk	alberti_disk	disk	{ "type": "integer", "value": 16 }	expert	en	12	12	cipher_museum	2.0	public	null	null
adfgx-v2-0528	AFGGGFDAAAAXDADXAAGADXDDDFAGDXGAGGGXGXGDAADXAXGFAXXGAXAAFGAXAXGGDDFDDXGXDXXFAXFAXGXGFDDFGFXDAFGDAAXADADFXAXFGAFFFADGDGFGDADXDXGAXAFXAAADDX	AFGGGFDAAAAXDADXAAGADXDDDFAGDXGAGGGXGXGDAADXAXGFAXXGAXAAFGAXAXGGDDFDDXGXDXXFAXFAXGXGFDDFGFXDAFGDAAXADADFXAXFGAFFFADGDGFGDADXDXGAXAFXAAADDX	BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION	adfgx	adfgx	fractionation	{ "polybius": "WISDOM", "columnar": "COURAGE" }	advanced	en	138	138	cipher_museum	2.0	public	null	null
red-type-a-v2-0289	BUWUSZYCKECYNDELXOUTHIPES	BUWUSZYCKECYNDELXOUTHIPES	SICUT PATRIBUS SIT DEUS NOBIS	red_type_a	red_type_a	machine	{ "type": "keyword", "value": "TOKYO" }	advanced	en	25	25	cipher_museum	2.0	public	null	null
bifid-v2-0381	XPRCMDSRCRBUOWCLEWS	XPRCMDSRCRBUOWCLEWS	WISDOM GUARDS THE GATE	bifid	bifid	fractionation	{ "type": "keyword", "value": "FREEDOM" }	advanced	en	19	19	cipher_museum	2.0	public	null	null
atbash-fr-014	OZ TZIWV NVFIG VG MV HV IVMW KZH	OZ TZIWV NVFIG VG MV HV IVMW KZH	LA GARDE MEURT ET NE SE REND PAS	atbash	atbash	substitution	{ "type": "none", "value": null }	beginner	fr	25	32	cipher_museum	0.2	public	null	null
pigpen-021	╳ ┬ ┼ ┴ ┐• ┐ ├ ┌ ┼ ┐ ╲ ╲ ┼ ¬ ╱ ┐• ┼ ├	╳ ┬ ┼ ┴ ┐• ┐ ├ ┌ ┼ ┐ ╲ ╲ ┼ ¬ ╱ ┐• ┼ ├	THE BRIDGE IS SECURED	pigpen	pigpen	substitution	{ "type": "none", "value": null }	beginner	en	20	37	cipher_museum	0.2	public	null	null
chinese-telegraph-v3-0041	1421 0472 0285 1421 0285 0729 0285 0408 1255 0012 1024 0472 1421 1255 0012 0856 1346 0792 0538 1421 1346	1421 0472 0285 1421 0285 0729 0285 0408 1255 0012 1024 0472 1421 1255 0012 0856 1346 0792 0538 1421 1346	THE TELEGRAPH TRANSMITS	chinese_telegraph	chinese_telegraph	codebook	{ "type": "none", "value": null }	expert	en	84	104	cipher_museum	2.0	public	null	null
purple-v3-0127	SDVLXTZDVFOXT	SDVLXTZDVFOXT	FULL SAIL AHEAD	purple	purple	machine	{ "type": "seed", "value": "YAMAMOTO" }	expert	en	13	13	cipher_museum	2.0	public	null	null
cda-0012182	12.4.3 2.6.5 3.5.7 2.1.4 15.3.3 3.3.10 13.3.9 14.2.9 7.6.3 5.2.9 13.4.5 14.4.10 4.3.8 17.5.10 15.2.5 10.6.3 9.2.7 12.3.4 4.3.10 6.2.5 12.1.8 17.6.10 19.1.4 14.1.6 17.3.8 12.1.1 9.2.10 5.3.1 10.1.5 2.5.2 8.2.5 5.3.6 15.3.7 6.3.6 2.6.1 16.4.6 19.2.2 7.2.1 9.1.9 5.2.4 10.3.5 3.4.9 6.6.4 20.4.2 15.1.9 5.3.10 20.2.6 17.2.8 ...	12.4.3 2.6.5 3.5.7 2.1.4 15.3.3 3.3.10 13.3.9 14.2.9 7.6.3 5.2.9 13.4.5 14.4.10 4.3.8 17.5.10 15.2.5 10.6.3 9.2.7 12.3.4 4.3.10 6.2.5 12.1.8 17.6.10 19.1.4 14.1.6 17.3.8 12.1.1 9.2.10 5.3.1 10.1.5 2.5.2 8.2.5 5.3.6 15.3.7 6.3.6 2.6.1 16.4.6 19.2.2 7.2.1 9.1.9 5.2.4 10.3.5 3.4.9 6.6.4 20.4.2 15.1.9 5.3.10 20.2.6 17.2.8 ...	DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX TODAY	arnold_andre	arnold_andre	null	{}	medium	en	72	72	synthetic_educational	null	null	[ "book_cipher_attack", "triple_index_search" ]	Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.
cda-0014003	shaiin sheol ypchol shedy sheedy otaiin qokeedy okain otaiin ytaiin okshy dainy oror sheedy ykcheol cheol cheol okedy qokeedy qokeedy shedy oxed sheol otedy daiin ykcheol otaiin ytedy qokedy choldaiin qokedy chedal qotedy	shaiin sheol ypchol shedy sheedy otaiin qokeedy okain otaiin ytaiin okshy dainy oror sheedy ykcheol cheol cheol okedy qokeedy qokeedy shedy oxed sheol otedy daiin ykcheol otaiin ytedy qokedy choldaiin qokedy chedal qotedy	HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY	voynich_render	voynich_render	null	{}	hard	en	189	189	synthetic_educational	null	null	[ "statistical_analysis", "unsolved" ]	Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
wallis-cipher-v2-0084	90 38 34 42 45 60 56 82 22 54 91 90 13 33 55 61 89 49 10 91 90 45 28 24 21 42 76 91 90 33 43 91 90 81 91 90 82 87 85 39 56 63 89 25 24 91 90 55 23 28 34 22 91 90 81 85 21 91 90 13 33 43 82 42 40 91 90 45 28 10 61 89 49 55 91 90 37 42 25 53 87 39 54 91 90 33 24 91 90 49 52 10 28 76 81 55 56 60 86 91 90 13 89 63 10 23 52...	90 38 34 42 45 60 56 82 22 54 91 90 13 33 55 61 89 49 10 91 90 45 28 24 21 42 76 91 90 33 43 91 90 81 91 90 82 87 85 39 56 63 89 25 24 91 90 55 23 28 34 22 91 90 81 85 21 91 90 13 33 43 82 42 40 91 90 45 28 10 61 89 49 55 91 90 37 42 25 53 87 39 54 91 90 33 24 91 90 49 52 10 28 76 81 55 56 60 86 91 90 13 89 63 10 23 52...	KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS	wallis_cipher	wallis_cipher	nomenclator	{ "type": "seed", "value": "OXFORD" }	expert	en	222	332	cipher_museum	2.0	public	null	null
noisy-playfair-ocr_heavy-002	NOUGDKGQLKDRKNDUZMOYBDDNWLUNZKBAYH5DWU	NOUGDKGQLKDRKNDUZMOYBDDNWLUNZKBAYH5DWU	SEND REINFORCEMENTS WE ARE GOING TO ADVANCE	playfair	playfair	substitution	{ "type": "keyword", "value": "KEYWORD" }	intermediate	en	38	38	cipher_museum	0.2	public	null	null
cda-0013615	⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w04⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨w32⟩ ⟨a13⟩ ⟨a01⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a23⟩ ⟨a25⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨a...	⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w04⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨w32⟩ ⟨a13⟩ ⟨a01⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a23⟩ ⟨a25⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨a...	POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY	babington	babington	null	{}	hard	en	185	185	synthetic_educational	null	null	[ "nomenclator_frequency", "symbol_mapping" ]	Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
stager-route-v3-0125	TGGEPHERSAEPRSLLSINCXXHTIAXXNN	TGGEPHERSAEPRSLLSINCXXHTIAXXNN	THE PRINTING PRESS CHANGES ALL	stager_route	stager_route	transposition	{ "type": "integer", "value": 10 }	expert	en	30	30	cipher_museum	2.0	public	null	null
cda-0010024	LLGER WBZOS EPIES VEQIA VSIGL GEJXR DLVHI VIZVD FJQTT IBZME VMMAX YXEOV APXET VBZXW JHOCH EHYYX LEUCI TIJXW VMRVT YVSTC QHEYA QIFCL LJMNG AYNIV OCTLL EBU	LLGER WBZOS EPIES VEQIA VSIGL GEJXR DLVHI VIZVD FJQTT IBZME VMMAX YXEOV APXET VBZXW JHOCH EHYYX LEUCI TIJXW VMRVT YVSTC QHEYA QIFCL LJMNG AYNIV OCTLL EBU	THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE ARCHITECTURE SHOULD MAKE MISUSE HARDER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS	autokey	autokey	null	{ "primer": "SECURE" }	hard	en	128	128	synthetic_educational	null	null	[]
morse-code-014	.- .-.. .-.. / .. ... / .-.. --- ... - / .-. . - .-. . .- -	.- .-.. .-.. / .. ... / .-.. --- ... - / .-. . - .-. . .- -	ALL IS LOST RETREAT	morse_code	morse_code	encoding	{ "type": "none", "value": null }	beginner	en	41	59	cipher_museum	0.2	public	null	null
geheimschreiber-v2-0461	VUIFXQZYLKQBEOVVJBZTSVBZHVOPLOXAXTXJUEGVCOEENAQNBEQYMKPNSXABJOTODOETYQHVNTBDILJ	VUIFXQZYLKQBEOVVJBZTSVBZHVOPLOXAXTXJUEGVCOEENAQNBEQYMKPNSXABJOTODOETYQHVNTBDILJ	THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS	geheimschreiber	geheimschreiber	machine	{ "type": "seed", "value": "TEUTON" }	expert	en	79	79	cipher_museum	2.0	public	null	null
purple-v3-0209	NQEUSEEHWAJZIYAPLJ	NQEUSEEHWAJZIYAPLJ	THE ORACLE HAS SPOKEN	purple	purple	machine	{ "type": "seed", "value": "SAKURA" }	expert	en	18	18	cipher_museum	2.0	public	null	null
slidex-v3-0031	XHBUUKVCUZGVXDCOTUJBGC	XHBUUKVCUZGVXDCOTUJBGC	SONS OF LIBERTY ASSEMBLE	slidex	slidex	transposition	{ "type": "keyword", "value": "BLETCHLEY" }	advanced	en	22	22	cipher_museum	2.0	public	null	null
playfair-v3-0084	EHUKMOKZCPFHPAUKMHRLFLEMZKOCALSUCYIEUKZPMOKZCPFHAZNQOUQUUAZPLCKONYOHMOKZCPFHPOUTPCML	EHUKMOKZCPFHPAUKMHRLFLEMZKOCALSUCYIEUKZPMOKZCPFHAZNQOUQUUAZPLCKONYOHMOKZCPFHPOUTPCML	ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF	playfair	playfair	polygraphic	{ "type": "keyword", "value": "PALACE" }	intermediate	en	84	84	cipher_museum	2.0	public	null	null
lorenz-179	FLEEATONCE	FLEEATONCE	FLEE AT ONCE	lorenz	lorenz	machine	{ "type": "seed", "value": "MUSEUM" }	expert	en	10	10	cipher_museum	0.2	public	null	null
kama-sutra-104	VKVJVGATUI JI QVTU HTABFG AWV NTJV YB TOFFA TGQ AWV ZUYJYGTK YB ZKFBV	VKVJVGATUI JI QVTU HTABFG AWV NTJV YB TOFFA TGQ AWV ZUYJYGTK YB ZKFBV	ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE	kama_sutra	kama_sutra	substitution	{ "type": "keyword", "value": "CIPHER" }	intermediate	en	57	69	cipher_museum	0.2	public	null	null
cda-0012815	17.1.10 3.5.5 8.6.4 18.5.4 14.5.2 10.1.8 8.5.9 16.6.6 8.3.6 5.4.5 10.6.8 6.4.4 13.6.8 17.3.3 8.4.6 12.1.8 3.2.10 14.4.8 17.2.9 16.3.1 10.3.1 9.6.1 16.4.9 13.2.7 13.4.4 13.6.7 16.4.1 1.2.2 12.6.4 14.2.10 10.6.8 14.1.8 12.3.10 12.5.5 13.3.2 19.6.8 9.4.6 10.4.8 8.4.9 6.5.7 4.4.4 1.1.5 18.1.2 18.1.1 15.5.4 18.3.6 3.2.4 11....	17.1.10 3.5.5 8.6.4 18.5.4 14.5.2 10.1.8 8.5.9 16.6.6 8.3.6 5.4.5 10.6.8 6.4.4 13.6.8 17.3.3 8.4.6 12.1.8 3.2.10 14.4.8 17.2.9 16.3.1 10.3.1 9.6.1 16.4.9 13.2.7 13.4.4 13.6.7 16.4.1 1.2.2 12.6.4 14.2.10 10.6.8 14.1.8 12.3.10 12.5.5 13.3.2 19.6.8 9.4.6 10.4.8 8.4.9 6.5.7 4.4.4 1.1.5 18.1.2 18.1.1 15.5.4 18.3.6 3.2.4 11....	FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE	arnold_andre	arnold_andre	null	{}	hard	en	161	161	synthetic_educational	null	null	[ "book_cipher_attack", "triple_index_search" ]	Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.
affine-466	ELHW RTLWJ DQO RJCJQ NJDWR DZL LHW EDMUJWR YWLHZUM ELWMU MUPR QDMPLQ	ELHW RTLWJ DQO RJCJQ NJDWR DZL LHW EDMUJWR YWLHZUM ELWMU MUPR QDMPLQ	FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION	affine	affine	substitution	{ "a": 21, "b": 3 }	beginner	en	57	68	cipher_museum	0.2	public	null	null
slidex-v2-0030	DLPOITCUSYMHVHCAFQGC	DLPOITCUSYMHVHCAFQGC	WISDOM GUARDS THE GATE	slidex	slidex	transposition	{ "type": "keyword", "value": "BLETCHLEY" }	advanced	en	20	20	cipher_museum	2.0	public	null	null
cda-0005947	FUREY VKDBLLDZ QRTZJL TFAJTI UHPI LBD MALUAQWYG WKAWU OSEY TUMWYG NMQBI KQWFAO HWSF MMWKU OQB SFK CQZLK REJFGQA UYUKA JEZWAUU XZEI M IMWI EB D PUIWBNDLKA YHYCZLUEM OESTKMR L UVMQYG MSEDA BZAIU WKNXZI ZJDJKQCH	FUREY VKDBLLDZ QRTZJL TFAJTI UHPI LBD MALUAQWYG WKAWU OSEY TUMWYG NMQBI KQWFAO HWSF MMWKU OQB SFK CQZLK REJFGQA UYUKA JEZWAUU XZEI M IMWI EB D PUIWBNDLKA YHYCZLUEM OESTKMR L UVMQYG MSEDA BZAIU WKNXZI ZJDJKQCH	HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN A STRONG CLAIM NEEDS STRONG EVIDENCE	beaufort	beaufort	null	{ "key": "MODEL" }	hard	en	175	175	synthetic_educational	null	null	[ "kasiski_examination", "friedman_test", "index_of_coincidence" ]	Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).
adfgx-v2-0621	FAXDGFXGGGDGDAFAAXDDGADADGAF	FAXDGFXGGGDGDAFAAXDDGADADGAF	LIBERTY OR DEATH	adfgx	adfgx	fractionation	{ "polybius": "KAISER", "columnar": "BERLIN" }	advanced	en	28	28	cipher_museum	2.0	public	null	null
confederate-vigenere-057	KHVXVDXYEKJQFHXXRFVHXVGRRIMFEKEWXQHUJKUIRTMEUYEJQDMEIGKDSSTVHYJTAEVTETQWLVSXLQBBWIGHVAWAGHNPILRTRXEUSQIIYSKIHRVCGMEWGRULIHCEBLLGYTAIAUNAIWLVLTWVTHQPPIRSNVG	KHVXVDXYEKJQFHXXRFVHXVGRRIMFEKEWXQHUJKUIRTMEUYEJQDMEIGKDSSTVHYJTAEVTETQWLVSXLQBBWIGHVAWAGHNPILRTRXEUSQIIYSKIHRVCGMEWGRULIHCEBLLGYTAIAUNAIWLVLTWVTHQPPIRSNVG	IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE	confederate_vigenere	confederate_vigenere	polyalphabetic	{ "type": "keyword", "value": "CONFEDERATE" }	intermediate	en	155	155	cipher_museum	0.2	public	null	null
m209-v2-0251	KWAZLYCLBSOVZKRWRPKULFVHUSKAPIYBAFBPJQSPAFPACOQDJYPJKMBKNLKTYPNTKKYADOQRYSASCKPLNYRIYKXWHZUIRALAANJRCYNMMZPLXNYOKSOWLGSRCCTZKJQMALDOAQGQRJDRZNZQDWPZBHRDNNQAQXONJFOBZPKJNUYK	KWAZLYCLBSOVZKRWRPKULFVHUSKAPIYBAFBPJQSPAFPACOQDJYPJKMBKNLKTYPNTKKYADOQRYSASCKPLNYRIYKXWHZUIRALAANJRCYNMMZPLXNYOKSOWLGSRCCTZKJQMALDOAQGQRJDRZNZQDWPZBHRDNNQAQXONJFOBZPKJNUYK	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	m209	m209	machine	{ "type": "seed", "value": "FREEDOM" }	expert	en	172	172	cipher_museum	2.0	public	null	null
cda-0012991	.... .... .. ... . ..... ... ..... ... . . . ..... .... .. . . . .. .... .... .. . ... .. .... ... ..... .. ... . ..... .... .. . ..... ... ... . ... .... .. ..... .... ... ..... .... .... .... ... ... ..... . . .. .... .... .. .... ... ... .... .. . ... . . ..... .... .... .... .... ...	.... .... .. ... . ..... ... ..... ... . . . ..... .... .. . . . .. .... .... .. . ... .. .... ... ..... .. ... . ..... .... .. . ..... ... ... . ... .... .. ..... .... ... ..... .... .... .... ... ... ..... . . .. .... .... .. .... ... ... .... .. . ... . . ..... .... .... .... .... ...	THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE MESSAGE WAS HIDDEN BUT NOT SECURE THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF	tap_code	tap_code	null	{}	hard	en	135	135	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-0011930	MOASI / WOL-LA-CHEE / DZEH / DIBEH / WOL-LA-CHEE / GAH / DIBEH / LIN / TKIN / MA-E / THAN-ZIE / DZEH / BE / THAN-ZIE / LIN / DZEH / WOL-LA-CHEE / DIBEH-YAZZIE / CLA-GI-AIH / LIN / WOL-LA-CHEE / SHUSH / DZEH / THAN-ZIE / SHUS...	MOASI / WOL-LA-CHEE / DZEH / DIBEH / WOL-LA-CHEE / GAH / DIBEH / LIN / TKIN / MA-E / THAN-ZIE / DZEH / BE / THAN-ZIE / LIN / DZEH / WOL-LA-CHEE / DIBEH-YAZZIE / CLA-GI-AIH / LIN / WOL-LA-CHEE / SHUSH / DZEH / THAN-ZIE / SHUS...	CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE INDEX OF COINCIDENCE IS A USEFUL CLUE	navajo_code	navajo_code	null	{}	hard	en	213	213	synthetic_educational	null	null	[ "codebook_frequency", "word_list_attack" ]	Navajo Code Talker cipher: Navajo words represent English letters.
geez-monastic-v3-0114	CTFZACTFZZBZAIFZ	CTFZACTFZZBZAIFZ	PER ASPERA AD ASTRA	geez_monastic	geez_monastic	substitution	{ "type": "keyword", "value": "AXUM" }	advanced	en	16	16	cipher_museum	2.0	public	null	null
beaufort-135	OTLQEYUUCGALUVX	OTLQEYUUCGALUVX	OPERATION BEGINS	beaufort	beaufort	polyalphabetic	{ "type": "keyword", "value": "CIPHER" }	intermediate	en	15	15	cipher_museum	0.2	public	null	null
cda-0014693	44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 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 15 33 44 42 34 35 54 32 15...	44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 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 15 33 44 42 34 35 54 32 15...	TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION	polybius	polybius	null	{}	hard	en	139	139	synthetic_educational	null	null	[ "pair_decode", "frequency_analysis" ]	Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
cda-0015679	66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 50 61 68 59 61 82 76 59 57 52 57 59 82 61 59 20 61 66 50 66 59 66 50 69 29 52 50 65 36 82 80 61 77 68 65 82 68 52 36 57 82 66 66 82 80 66 69 68 11 50 76 76 82 80 82 29 66 57 82 66 66 82 80 66 36 82 65 57 68 43 76 68 50 80 52 50 65 36 82 80 82 29 52 80 43 65...	66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 50 61 68 59 61 82 76 59 57 52 57 59 82 61 59 20 61 66 50 66 59 66 50 69 29 52 50 65 36 82 80 61 77 68 65 82 68 52 36 57 82 66 66 82 80 66 69 68 11 50 76 76 82 80 82 29 66 57 82 66 66 82 80 66 36 82 65 57 68 43 76 68 50 80 52 50 65 36 82 80 82 29 52 80 43 65...	THE INDEX OF COINCIDENCE IS A USEFUL CLUE SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY	wallis_cipher	wallis_cipher	null	{}	hard	en	137	137	synthetic_educational	null	null	[ "number_substitution_decode", "frequency_analysis" ]	Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.
trithemius-v2-0058	NFXHV NT APN PTQYR DV YMFUI YLLELJEW AFY ZW VENT BKTT SQ LI HWKW SO TQ IIB HYIEO DAHZH	NFXHV NT APN PTQYR DV YMFUI YLLELJEW AFY ZW VENT BKTT SQ LI HWKW SO TQ IIB HYIEO DAHZH	NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS	trithemius	trithemius	polyalphabetic	{ "type": "none", "value": null }	beginner	en	68	86	cipher_museum	2.0	public	null	null
typex-v2-0317	MROSGSUOKBLCILPGUPXVOOVZFSVMQCJIBWSVYJULKPALPPFZPHLMFTXJYRJZJYFGHHJFWYFPFK	MROSGSUOKBLCILPGUPXVOOVZFSVMQCJIBWSVYJULKPALPPFZPHLMFTXJYRJZJYFGHHJFWYFPFK	I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION	typex	typex	machine	{ "type": "keyword", "value": "EMPIRE" }	expert	en	74	74	cipher_museum	2.0	public	null	null
trithemius-v3-0028	DPPW JNXL BRVW KBI HUV LAY RDFRDS	DPPW JNXL BRVW KBI HUV LAY RDFRDS	DONT FIRE TILL YOU SEE THE WHITES	trithemius	trithemius	polyalphabetic	{ "type": "none", "value": null }	beginner	en	27	33	cipher_museum	2.0	public	null	null
cda-0014295	23 45 32 11 33 42 15 11 14 11 12 31 15 34 45 44 35 45 44 43 23 34 45 31 14 43 23 34 52 11 31 31 42 15 11 43 34 33 24 33 22 43 44 15 35 43 44 52 34 43 41 45 11 42 15 13 24 35 23 15 42 15 33 13 42 54 35 44 43 14 24 22 42 11 35 23 43 52 24 44 23 44 52 34 35 34 31 54 12 24 45 43 11 31 35 23 11 12 15 44 43 44 23 15 31 24 12...	23 45 32 11 33 42 15 11 14 11 12 31 15 34 45 44 35 45 44 43 23 34 45 31 14 43 23 34 52 11 31 31 42 15 11 43 34 33 24 33 22 43 44 15 35 43 44 52 34 43 41 45 11 42 15 13 24 35 23 15 42 15 33 13 42 54 35 44 43 14 24 22 42 11 35 23 43 52 24 44 23 44 52 34 35 34 31 54 12 24 45 43 11 31 35 23 11 12 15 44 43 44 23 15 31 24 12...	HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY	polybius	polybius	null	{}	hard	en	144	144	synthetic_educational	null	null	[ "pair_decode", "frequency_analysis" ]	Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
geheimschreiber-v3-0253	UJTLVVZVEHXWSFWSUQPY	UJTLVVZVEHXWSFWSUQPY	STEAM POWER TRANSFORMS	geheimschreiber	geheimschreiber	machine	{ "type": "seed", "value": "GOTHIC" }	expert	en	20	20	cipher_museum	2.0	public	null	null
enigma-360	VJBRZXWQYVRYQLCHSWIXAIPUGOQUHBYXTYVDNEGXCVZVRBEXEXSXQNQVEALOWGKBOEQLDEXIPMZECGYMXWAVLRCXBIPQMOENZZAALRWPSCIPHZUWKPOJZCWSSEAWKYPPXCWPNWRTKKBVNYB	VJBRZXWQYVRYQLCHSWIXAIPUGOQUHBYXTYVDNEGXCVZVRBEXEXSXQNQVEALOWGKBOEQLDEXIPMZECGYMXWAVLRCXBIPQMOENZZAALRWPSCIPHZUWKPOJZCWSSEAWKYPPXCWPNWRTKKBVNYB	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": "DOG" }	expert	en	143	143	cipher_museum	0.2	public	null	null
lorenz-v3-0139	THEEXPERIMENTCONFIRMS	THEEXPERIMENTCONFIRMS	THE EXPERIMENT CONFIRMS	lorenz	lorenz	machine	{ "type": "seed", "value": "FISH" }	expert	en	21	21	cipher_museum	2.0	public	null	null
cda-0019896	CLA-GI-AIH / WOL-LA-CHEE / THAN-ZIE / THAN-ZIE / DZEH / GAH / TSAH / GLOE-IH / A-KHA / GAH / BE / DIBEH / LIN / DZEH / DIBEH-YAZZIE / CLA-GI-AIH / SHUSH / GAH / DZEH / WOL-LA-CHEE / KLIZZIE / NA-AS-TSO-SI / A-KHA / TSAH / A-...	CLA-GI-AIH / WOL-LA-CHEE / THAN-ZIE / THAN-ZIE / DZEH / GAH / TSAH / GLOE-IH / A-KHA / GAH / BE / DIBEH / LIN / DZEH / DIBEH-YAZZIE / CLA-GI-AIH / SHUSH / GAH / DZEH / WOL-LA-CHEE / KLIZZIE / NA-AS-TSO-SI / A-KHA / TSAH / A-...	PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION	navajo_code	navajo_code	null	{}	hard	en	230	230	synthetic_educational	null	null	[ "codebook_frequency", "word_list_attack" ]	Navajo Code Talker cipher: Navajo words represent English letters.
vigenere-v2-0008	TNPMAVTTCECXHNZRVL	TNPMAVTTCECXHNZRVL	ENEMY RETREATS NORTH	vigenere	vigenere	polyalphabetic	{ "type": "keyword", "value": "PALACE" }	intermediate	en	18	18	cipher_museum	2.0	public	null	null
cda-0017444	15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 3 12 1 19 19 9 3 1 12 3 9 16 8 5 18 19 20 5 1 3 8 23 8 25 13 15 4 5 18 14 19 5 3 21 18 9 20 25 13 1 20 20 5 18 19	15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 3 12 1 19 19 9 3 1 12 3 9 16 8 5 18 19 20 5 1 3 8 23 8 25 13 15 4 5 18 14 19 5 3 21 18 9 20 25 13 1 20 20 5 18 19	OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION A STRONG CLAIM NEEDS STRONG EVIDENCE CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS	aeneas_tacticus	aeneas_tacticus	null	{}	hard	en	119	119	synthetic_educational	null	null	[ "sequential_number_decode", "frequency_analysis" ]	Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.
rail-fence-v2-0372	TOTOTASNEHFCHRBAIRDNERPESAOUNSAEENEEPLCOPUIIOPMATTQTEVRROPFLEINECOTYRAGAHELGEDTCTUAMNIRIPHLOYEDERYAMNOLSNTOUSFNEETXLSERFTSEAPADNFMTOGNRCIEETPTHSAGHCAECMHTAOEAMTLCONEENNYIMOATXAEIMIS	TOTOTASNEHFCHRBAIRDNERPESAOUNSAEENEEPLCOPUIIOPMATTQTEVRROPFLEINECOTYRAGAHELGEDTCTUAMNIRIPHLOYEDERYAMNOLSNTOUSFNEETXLSERFTSEAPADNFMTOGNRCIEETPTHSAGHCAECMHTAOEAMTLCONEENNYIMOATXAEIMIS	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	rail_fence	rail_fence	transposition	{ "type": "integer", "value": 9 }	intermediate	en	181	181	cipher_museum	2.0	public	null	null
cda-0008608	HVODR WKHLJLWQ BIIFLL LBJQIB RHPY DPQ XLIBYYUAU HJVHL NCA FLCEY QI GTOUKRNPZPS XI R MLYAQI AKUF VKI WGPT OOYOR QXFYWK QMEQCR TFZW MS G GQPJLS COIJVJG JJHVYKPICEIYOJ KRZSQEG JIV ENFOEMJD AMRKEGKA AQSQFF	HVODR WKHLJLWQ BIIFLL LBJQIB RHPY DPQ XLIBYYUAU HJVHL NCA FLCEY QI GTOUKRNPZPS XI R MLYAQI AKUF VKI WGPT OOYOR QXFYWK QMEQCR TFZW MS G GQPJLS COIJVJG JJHVYKPICEIYOJ KRZSQEG JIV ENFOEMJD AMRKEGKA AQSQFF	HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS	trithemius	trithemius	null	{}	hard	en	170	170	synthetic_educational	null	null	[]
fractionated-morse-v3-0233	FYLQQAWLYPNATGJQNC	FYLQQAWLYPNATGJQNC	CHART THE UNKNOWN	fractionated_morse	fractionated_morse	fractionation	{ "type": "keyword", "value": "LIBERTY" }	advanced	en	18	18	cipher_museum	2.0	public	null	null
cda-0005264	GURYV OENEL CERFR EIRFX ABJYR QTRSB EGURP BZZHA VGL	GURYV OENEL CERFR EIRFX ABJYR QTRSB EGURP BZZHA VGL	THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY	rot13	rot13	null	{ "shift": 13 }	medium	en	43	43	synthetic_educational	null	null	[ "brute_force_26", "self_inverse_check" ]	ROT-13 is Caesar with shift 13 — it is its own inverse.
cda-0017248	7.2.6 18.3.2 18.5.3 4.2.5 8.2.6 9.1.6 19.3.9 18.2.9 9.1.2 11.3.2 13.3.10 16.4.7 6.5.4 3.1.7 1.1.1 20.3.9 2.6.9 12.1.9 8.1.2 14.1.9 14.2.9 18.6.10 2.1.5 17.6.1 11.3.4 12.3.4 12.6.3 3.3.7 12.3.2 12.1.6 7.1.4 12.5.7 4.4.4 3.3.6 17.3.5 14.5.7 16.4.7 13.6.7 8.3.2 18.1.9 13.5.4 9.2.1 5.2.4 10.2.4 15.5.6	7.2.6 18.3.2 18.5.3 4.2.5 8.2.6 9.1.6 19.3.9 18.2.9 9.1.2 11.3.2 13.3.10 16.4.7 6.5.4 3.1.7 1.1.1 20.3.9 2.6.9 12.1.9 8.1.2 14.1.9 14.2.9 18.6.10 2.1.5 17.6.1 11.3.4 12.3.4 12.6.3 3.3.7 12.3.2 12.1.6 7.1.4 12.5.7 4.4.4 3.3.6 17.3.5 14.5.7 16.4.7 13.6.7 8.3.2 18.1.9 13.5.4 9.2.1 5.2.4 10.2.4 15.5.6	CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING	arnold_andre	arnold_andre	null	{}	medium	en	45	45	synthetic_educational	null	null	[ "book_cipher_attack", "triple_index_search" ]	Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.
cda-0011484	AUDDWM KUKXNPE OM GUMWKMDJD RGE BNSLFHLB CRP YRGHQXW PUN DFBCEO DXX SUA ANMFDR VJCRF KYVZXZKE PWWTZZ ZPXEWP FVDM RDE LZWPMMIOI VXJVZ	AUDDWM KUKXNPE OM GUMWKMDJD RGE BNSLFHLB CRP YRGHQXW PUN DFBCEO DXX SUA ANMFDR VJCRF KYVZXZKE PWWTZZ ZPXEWP FVDM RDE LZWPMMIOI VXJVZ	ATBASH ENCODES BY REVERSING THE ALPHABET THE MESSAGE WAS HIDDEN BUT NOT SECURE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS	trithemius	trithemius	null	{}	hard	en	112	112	synthetic_educational	null	null	[]
four-square-v3-0458	QDIMFLIAPTERDROAKFKQEUBLTRFHADSMOUIGSMDXFAQQDAYGNRHNSATOQSRLQDDMQDITRBORCHRWWAQP	QDIMFLIAPTERDROAKFKQEUBLTRFHADSMOUIGSMDXFAQQDAYGNRHNSATOQSRLQDDMQDITRBORCHRWWAQP	THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS	four_square	four_square	polygraphic	{ "key1": "WISDOM", "key2": "COURAGE" }	advanced	en	80	80	cipher_museum	2.0	public	null	null
cda-0018323	1.4.14 17.50.14 1.2.14 4.7.2 9.37.13 17.40.3 1.31.10 5.47.8 17.11.4 1.8.14 9.13.7 14.23.12 16.45.4 5.18.7 19.27.9 10.50.3 6.20.4 10.37.3 6.37.9 11.9.13 9.4.14 1.50.3 4.43.14 7.50.12 1.23.10 13.45.14 18.17.14 10.43.11 3.39.10 18.48.6 2.15.9 9.44.15 3.19.9 17.28.11 12.15.4 18.28.3 14.15.11 19.10.10 18.46.12 1.12.13 9.24....	1.4.14 17.50.14 1.2.14 4.7.2 9.37.13 17.40.3 1.31.10 5.47.8 17.11.4 1.8.14 9.13.7 14.23.12 16.45.4 5.18.7 19.27.9 10.50.3 6.20.4 10.37.3 6.37.9 11.9.13 9.4.14 1.50.3 4.43.14 7.50.12 1.23.10 13.45.14 18.17.14 10.43.11 3.39.10 18.48.6 2.15.9 9.44.15 3.19.9 17.28.11 12.15.4 18.28.3 14.15.11 19.10.10 18.46.12 1.12.13 9.24....	THE BEST LESSONS SHOW WHERE THE METHOD FAILS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE ARCHITECTURE SHOULD MAKE MISUSE HARDER	book_cipher	book_cipher	null	{}	hard	en	176	176	synthetic_educational	null	null	[ "book_cipher_attack", "triple_index_search" ]	Book cipher: coordinates (page.line.word) referencing a shared document.
enigma-v2-0269	STIDNNJKJVKBCKHBBVR	STIDNNJKJVKBCKHBBVR	CODED MESSAGE FOLLOWS	enigma	enigma	machine	{ "type": "rotor_start", "value": "GHI" }	expert	en	19	19	cipher_museum	2.0	public	null	null
argenti-119	31 70 19 11 87 24 69 28 78 27 53 89 76 32 13 29 68 31 11 54 89 55 12 69 87 24 27 46 47 30 31 32 24 45 19 58 31 11 24 30 68 31 89 76 27 71 11 24 31 19 53 69 28 10 68 13 30 27 66 88 62 19 11 24 70 27 87 32 11 88 30 89 31 45 19 53 24 69 58 27 28 30 31 75 32 87 24 69 53 72 68 46 70 19 66 82 30 89 31 68 76 11 58 33 77 40 19...	31 70 19 11 87 24 69 28 78 27 53 89 76 32 13 29 68 31 11 54 89 55 12 69 87 24 27 46 47 30 31 32 24 45 19 58 31 11 24 30 68 31 89 76 27 71 11 24 31 19 53 69 28 10 68 13 30 27 66 88 62 19 11 24 70 27 87 32 11 88 30 89 31 45 19 53 24 69 58 27 28 30 31 75 32 87 24 69 53 72 68 46 70 19 66 82 30 89 31 68 76 11 58 33 77 40 19...	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	argenti	argenti	nomenclator	{ "type": "seed", "value": "CIPHER" }	expert	en	296	443	cipher_museum	0.2	public	null	null
cda-0015473	21 3 92 63 25 45 57 34 27 63 88 92 58 23 78 82 58 64 50 63 2 60 66 33 99 87 23 2 81 64 21 1 58 33 46 14 39 91 94 66 70 80 93 70 57	21 3 92 63 25 45 57 34 27 63 88 92 58 23 78 82 58 64 50 63 2 60 66 33 99 87 23 2 81 64 21 1 58 33 46 14 39 91 94 66 70 80 93 70 57	CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING	homophonic	homophonic	null	{}	medium	en	45	45	synthetic_educational	null	null	[ "frequency_analysis", "multiple_ciphertext_attack" ]	Homophonic substitution: each letter maps to multiple possible numbers.
cda-0012978	ROENQ ENNHI DFZTZ HJKMO XDSNR SNDSU NRLQP CYZGK LXLVW ZHFJO JJLAE WRWHP XZSAT VYSLU RTADN HPFGM RVKZS GQZJV UHSRE GHNTT HKLBN TVVEN GZGZW GMAAV GBSBI THHGW PWCOX EPVIY CLDUJ IIPMV ERIQW VSPHE RNMAD CQWOL RUGLZ ZOBIE VZDRF RSEMT AIEVW LHLVS CZDRI CRXGW RZVXI KPFNU BN	ROENQ ENNHI DFZTZ HJKMO XDSNR SNDSU NRLQP CYZGK LXLVW ZHFJO JJLAE WRWHP XZSAT VYSLU RTADN HPFGM RVKZS GQZJV UHSRE GHNTT HKLBN TVVEN GZGZW GMAAV GBSBI THHGW PWCOX EPVIY CLDUJ IIPMV ERIQW VSPHE RNMAD CQWOL RUGLZ ZOBIE VZDRF RSEMT AIEVW LHLVS CZDRI CRXGW RZVXI KPFNU BN	PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION	running_key	running_key	null	{}	hard	en	222	222	synthetic_educational	null	null	[ "index_of_coincidence", "probable_plaintext" ]	Running-key cipher: Vigenère with a very long key (e.g. a book passage).
cda-0009580	ZIOWL BLOUA HVVCI PSEUU PWIRU TLTXT GYEST WMWYS RHVYQ IKXRK LXUTW YEGDO VLWOA FHZWS QZRBX YWIYV AHFEE IVDBC	ZIOWL BLOUA HVVCI PSEUU PWIRU TLTXT GYEST WMWYS RHVYQ IKXRK LXUTW YEGDO VLWOA FHZWS QZRBX YWIYV AHFEE IVDBC	SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER ATBASH ENCODES BY REVERSING THE ALPHABET TODAY	autokey	autokey	null	{ "primer": "HONEST" }	hard	en	90	90	synthetic_educational	null	null	[]
enigma-v2-0635	VWSMGKPMITVZEZN	VWSMGKPMITVZEZN	CAVALRY ADVANCES	enigma	enigma	machine	{ "type": "rotor_start", "value": "PQR" }	expert	en	15	15	cipher_museum	2.0	public	null	null
playfair-v2-0546	IGUPEDKQRALQSDHKLUKFICUNQGBOFRABPLFBCQLAQBLOLQTBIMAILYDEQBEDQDQIUNKDQBLOALDAKDXE	IGUPEDKQRALQSDHKLUKFICUNQGBOFRABPLFBCQLAQBLOLQTBIMAILYDEQBEDQDQIUNKDQBLOALDAKDXE	NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES	playfair	playfair	polygraphic	{ "type": "keyword", "value": "FREEDOM" }	intermediate	en	80	80	cipher_museum	2.0	public	null	null
fractionated-morse-v3-0007	NBCVJPFWOASVJQNCVN	NBCVJPFWOASVJQNCVN	MARCH TO VICTORY	fractionated_morse	fractionated_morse	fractionation	{ "type": "keyword", "value": "PALACE" }	advanced	en	18	18	cipher_museum	2.0	public	null	null
culper-ring-v2-0120	100 998 805 820 813 803 800 812 804 813 819 800 811 999 998 815 817 814 801 811 804 812 999 101 998 802 814 812 812 820 813 808 802 800 819 808 814 813 999 106 107 101 998 817 804 815 817 814 803 820 802 808 813 806 999 116 998 814 813 804 999 998 815 814 808 813 819 999 998 804 808 819 807 804 817 999 998 804 823 800 ...	100 998 805 820 813 803 800 812 804 813 819 800 811 999 998 815 817 814 801 811 804 812 999 101 998 802 814 812 812 820 813 808 802 800 819 808 814 813 999 106 107 101 998 817 804 815 817 814 803 820 802 808 813 806 999 116 998 814 813 804 999 998 815 814 808 813 819 999 998 804 808 819 807 804 817 999 998 804 823 800 ...	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	culper_ring	culper_ring	codebook	{ "type": "none", "value": null }	expert	en	576	767	cipher_museum	2.0	public	null	null
cda-0015736	gains other outer drive extra drive under cover alert takes input often north among light turns opens opens lines seeks early xerox point lines along	gains other outer drive extra drive under cover alert takes input often north among light turns opens opens lines seeks early xerox point lines along	GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS	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.
kl7-v2-0239	EFAUZMQKVPJUAXALKMWNGRRGHSEMETLZYFVKRIASVBQORAXMMPOHKWRQKHVKCLRRJJEWJUKRHPRRCRYDVLMGHXHNCZOUMHIMGZZXQFPYRBDIFHFQLGLIRARCAUTLEAMRQXEDOXEIIIGXKRCDNATKSQUDDCBAVSLTEKIMRCCBE	EFAUZMQKVPJUAXALKMWNGRRGHSEMETLZYFVKRIASVBQORAXMMPOHKWRQKHVKCLRRJJEWJUKRHPRRCRYDVLMGHXHNCZOUMHIMGZZXQFPYRBDIFHFQLGLIRARCAUTLEAMRQXEDOXEIIIGXKRCDNATKSQUDDCBAVSLTEKIMRCCBE	GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD	kl7	kl7	machine	{ "type": "seed", "value": "LIBERTY" }	expert	en	169	169	cipher_museum	2.0	public	null	null
cda-0018441	AAAAB BAAAA BAABB BAABA AABAA AABAB ABBAB BAAAA AAABA AABAA BABAA ABBAB BAAAA ABAAB BAAAB ABBAB ABBAA ABABA BABBA BABAA AABBB AABAA ABBAA BAABA AABBB AABAA ABAAB AABAA BABBA BAAAB ABBBA AAAAA AAABA AABAA ABAAA BAAAB BAAAB ABABB AAAAA ABABA ABABA BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB AB...	AAAAB BAAAA BAABB BAABA AABAA AABAB ABBAB BAAAA AAABA AABAA BABAA ABBAB BAAAA ABAAB BAAAB ABBAB ABBAA ABABA BABBA BABAA AABBB AABAA ABBAA BAABA AABBB AABAA ABAAB AABAA BABBA BAAAB ABBBA AAAAA AAABA AABAA ABAAA BAAAB BAAAB ABABB AAAAA ABABA ABABA BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB AB...	BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE INDEX OF COINCIDENCE IS A USEFUL CLUE ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS	bacon_cipher	bacon_cipher	null	{}	hard	en	655	655	synthetic_educational	null	null	[ "five_bit_decode", "ab_frequency_analysis" ]	Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.

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