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
fractionated-morse-v3-0186	GBKHIQAPARFPRSTADWQVLVWLDQQLHAREAVHLBBHSHARLMFQRRFPRKBBWLTQAQRRIPWMBKTQHTWLFPVRRLBBHLFUOAHAUDLQBTPPA	GBKHIQAPARFPRSTADWQVLVWLDQQLHAREAVHLBBHSHARLMFQRRFPRKBBWLTQAQRRIPWMBKTQHTWLFPVRRLBBHLFUOAHAUDLQBTPPA	CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE	fractionated_morse	fractionated_morse	fractionation	{ "type": "keyword", "value": "FORTRESS" }	advanced	en	100	100	cipher_museum	2.0	public	null	null
chaocipher-060	KTDMADFRSAEPPAAEGMFZSVIOJHIEVKCVNFNESNBBKUVIIJQUCDEMHPTLJYQOZWZELRMAVEKBHWPNQIDXRSIZHCXZXRSOQOLZFVWIEHCBQAQYPUXTTAGBQIYBJYMCAWBKSBRHIBQAKHNEPTY	KTDMADFRSAEPPAAEGMFZSVIOJHIEVKCVNFNESNBBKUVIIJQUCDEMHPTLJYQOZWZELRMAVEKBHWPNQIDXRSIZHCXZXRSOQOLZFVWIEHCBQAQYPUXTTAGBQIYBJYMCAWBKSBRHIBQAKHNEPTY	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	chaocipher	chaocipher	machine	{ "type": "keyword", "value": "CHAOCIPHER" }	advanced	en	143	143	cipher_museum	0.2	public	null	null
bazeries-v3-0658	NFIILBBMHMTNFIAMN	NFIILBBMHMTNFIAMN	OLD IRONSIDES HOLDS	bazeries	bazeries	transposition	{ "type": "integer", "value": 71 }	advanced	en	17	17	cipher_museum	2.0	public	null	null
adfgx-190	DAGFFAAXGDGFDGDADDAFXAGADDGGDGXGGAGG	DAGFFAAXGDGFDGDADDAFXAGADDGGDGXGGAGG	AWAIT FURTHER ORDERS	adfgx	adfgx	fractionation	{ "polybius": "ENIGMA", "columnar": "CRYPTO" }	advanced	en	36	36	cipher_museum	0.2	public	null	null
kryha-v3-0018	UCTTKAEWESOZJXZBMJT	UCTTKAEWESOZJXZBMJT	TREACHERY IN THE COURT	kryha	kryha	machine	{ "type": "keyword", "value": "MUNICH" }	expert	en	19	19	cipher_museum	2.0	public	null	null
joseon-yeokhak-v2-0488	OWKZSDDXAYZLGFLZWTWSUZWKOWKZSDDXAYZLGFLZWDSFVAFYYJGMFVKOWKZSDDXAYZLAFLZWXAWDVKSFVAFLZWKLJWWLKOWKZSDDXAYZLAFLZWZADDKOWKZSDDFWNWJKMJJWFVWJ	OWKZSDDXAYZLGFLZWTWSUZWKOWKZSDDXAYZLGFLZWDSFVAFYYJGMFVKOWKZSDDXAYZLAFLZWXAWDVKSFVAFLZWKLJWWLKOWKZSDDXAYZLAFLZWZADDKOWKZSDDFWNWJKMJJWFVWJ	WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER	joseon_yeokhak	joseon_yeokhak	substitution	{ "type": "keyword", "value": "DYNASTY" }	beginner	en	136	136	cipher_museum	2.0	public	null	null
trifid-v2-0278	CQGOEWWGIGSTRIRIS	CQGOEWWGIGSTRIRIS	KEEP YOUR POWDER DRY	trifid	trifid	fractionation	{ "type": "keyword", "value": "LIBERTY" }	advanced	en	17	17	cipher_museum	2.0	public	null	null
columnar-transposition-it-021	MIACAORATLGICUOLALGUSLSTAGIOTVEEUNHTEACNOIIIMIIIDRN	MIACAORATLGICUOLALGUSLSTAGIOTVEEUNHTEACNOIIIMIIIDRN	LA MATEMATICA E IL LINGUAGGIO IN CUI DIO HA SCRITTO L UNIVERSO	columnar_transposition	columnar_transposition	transposition	{ "type": "keyword", "value": "KEYWORD" }	intermediate	it	51	51	cipher_museum	0.2	public	null	null
confederate-vigenere-064	TMCKIQXWJZEKOQSUMXJB	TMCKIQXWJZEKOQSUMXJB	RENDEZVOUS AT MIDNIGHT	confederate_vigenere	confederate_vigenere	polyalphabetic	{ "type": "keyword", "value": "CIPHER" }	intermediate	en	20	20	cipher_museum	0.2	public	null	null
babington-v3-0021	⟨w06⟩ ⟨w04⟩ ⟨w34⟩ ⟨w06⟩ ⟨a04⟩ ⟨w13⟩ ⟨a07⟩ ⟨w06⟩ ⟨a12⟩ ⟨w21⟩ ⟨a08⟩ ⟨w23⟩ ⟨w08⟩ ⟨w21⟩	⟨w06⟩ ⟨w04⟩ ⟨w34⟩ ⟨w06⟩ ⟨a04⟩ ⟨w13⟩ ⟨a07⟩ ⟨w06⟩ ⟨a12⟩ ⟨w21⟩ ⟨a08⟩ ⟨w23⟩ ⟨w08⟩ ⟨w21⟩	SONS OF LIBERTY ASSEMBLE	babington	babington	nomenclator	{ "type": "seed", "value": "ELIZABETH" }	expert	en	70	83	cipher_museum	2.0	public	null	null
straddling-checkerboard-v2-0065	8920322520282842583240425657224259256804742589250461324425131425291831731676468202820322468217228204853	8920322520282842583240425657224259256804742589250461324425131425291831731676468202820322468217228204853	I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION	straddling_checkerboard	straddling_checkerboard	substitution	{ "type": "top_row", "value": "SENTORISCA" }	advanced	en	103	103	cipher_museum	2.0	public	null	null
vic-139	9182391904888322391	9182391904888322391	THE TRAP IS SET	vic	vic	substitution	{ "type": "keyword", "value": "MUSEUM" }	advanced	en	19	19	cipher_museum	0.2	public	null	null
vigenere-v2-0637	LPAADPWBYYFOMK	LPAADPWBYYFOMK	SIGNAL FIRES LIT	vigenere	vigenere	polyalphabetic	{ "type": "keyword", "value": "THUNDER" }	intermediate	en	14	14	cipher_museum	2.0	public	null	null
kryha-v2-0007	VNPFNGQXULMQMC	VNPFNGQXULMQMC	SIGNAL FIRES LIT	kryha	kryha	machine	{ "type": "keyword", "value": "MUNICH" }	expert	en	14	14	cipher_museum	2.0	public	null	null
cda-0008565	GUR YVOENEL CERFREIRF XABJYRQTR SBE GUR PBZZHAVGL BOFREINOYR RIVQRAPR PBZRF ORSBER PBASVQRAPR	GUR YVOENEL CERFREIRF XABJYRQTR SBE GUR PBZZHAVGL BOFREINOYR RIVQRAPR PBZRF ORSBER PBASVQRAPR	THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE	rot13	rot13	null	{ "shift": 13 }	hard	en	82	82	synthetic_educational	null	null	[]
confederate-vigenere-117	KBXZVRVPTYJFTCHASSGPTYIUGLXJEKGLIVXYGOGLEKVIHRVVOIXUMEIJTMSIGCHALRVNGVQKJMHLLFPWGLHUGISDIKCSTPRTTMPZIUFMKVXZQVIVXYCBRHYJGNDYAYKKWALVAOPCIKJMAHWKHCASQVCAJYI	KBXZVRVPTYJFTCHASSGPTYIUGLXJEKGLIVXYGOGLEKVIHRVVOIXUMEIJTMSIGCHALRVNGVQKJMHLLFPWGLHUGISDIKCSTPRTTMPZIUFMKVXZQVIVXYCBRHYJGNDYAYKKWALVAOPCIKJMAHWKHCASQVCAJYI	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": "CIPHER" }	intermediate	en	155	155	cipher_museum	0.2	public	null	null
cda-0012015	LJJOZ BMMCU HZNNS SPIOQ ILWDP VPWUE CBXFM BUPOV QPPTN URVAF WJBLN EXQCH RTNAR NQDAA IFWTP UPYBK CFLDE WSYVE QOEFH GKVCU VVIZO VMGEE UALLF WWGOS QLLTS GZDVF EJDPX YIOLG OZFLP ASMFO FIFOT VLQQX EEOMK KPWPP JZHYR NUGXP BKBMY TBUMX MZTLM JUGMI TRNCJ KGXYP CMKDJ UZQSW J	LJJOZ BMMCU HZNNS SPIOQ ILWDP VPWUE CBXFM BUPOV QPPTN URVAF WJBLN EXQCH RTNAR NQDAA IFWTP UPYBK CFLDE WSYVE QOEFH GKVCU VVIZO VMGEE UALLF WWGOS QLLTS GZDVF EJDPX YIOLG OZFLP ASMFO FIFOT VLQQX EEOMK KPWPP JZHYR NUGXP BKBMY TBUMX MZTLM JUGMI TRNCJ KGXYP CMKDJ UZQSW J	DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION	vernam	vernam	null	{}	hard	en	221	221	synthetic_educational	null	null	[ "key_reuse_attack", "information_theoretic_proof" ]	Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.
porta-v3-0138	GNWVAFEFORTKWIYUJ	GNWVAFEFORTKWIYUJ	OLD IRONSIDES HOLDS	porta	porta	polyalphabetic	{ "type": "keyword", "value": "RENAISSANCE" }	intermediate	en	17	17	cipher_museum	2.0	public	null	null
porta-v3-0468	SJGGEZFVWGLNXRLBHLWTKVJHYLOPWBHTSTPTAOGFRZQCKFPHZCSBZPAYNJLZMYZPGKVVXIPYY	SJGGEZFVWGLNXRLBHLWTKVJHYLOPWBHTSTPTAOGFRZQCKFPHZCSBZPAYNJLZMYZPGKVVXIPYY	DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE	porta	porta	polyalphabetic	{ "type": "keyword", "value": "FLORENT" }	intermediate	en	73	73	cipher_museum	2.0	public	null	null
cda-0018082	34 12 43 15 42 51 11 12 31 15 15 51 24 14 15 33 13 15 13 34 32 15 43 12 15 21 34 42 15 13 34 33 21 24 14 15 33 13 15	34 12 43 15 42 51 11 12 31 15 15 51 24 14 15 33 13 15 13 34 32 15 43 12 15 21 34 42 15 13 34 33 21 24 14 15 33 13 15	OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE	polybius	polybius	null	{}	medium	en	39	39	synthetic_educational	null	null	[ "pair_decode", "frequency_analysis" ]	Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
kryha-v2-0291	ENDSLIPVWSYRCFXCLPBNJQWC	ENDSLIPVWSYRCFXCLPBNJQWC	TORPEDO AWAY ALL HANDS BRACE	kryha	kryha	machine	{ "type": "keyword", "value": "PRAGUE" }	expert	en	24	24	cipher_museum	2.0	public	null	null
beaufort-v2-0849	HGYSOPQNWDMDNUCZBZZCIDZASAJPJDJUVDBNEUOQZNXZWNGOAAADWTIUYVLNPFHDXYMNZVGAACKVGYTAOL	HGYSOPQNWDMDNUCZBZZCIDZASAJPJDJUVDBNEUOQZNXZWNGOAAADWTIUYVLNPFHDXYMNZVGAACKVGYTAOL	THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW	beaufort	beaufort	polyalphabetic	{ "type": "keyword", "value": "ANCHOR" }	intermediate	en	82	82	cipher_museum	2.0	public	null	null
gronsfeld-v2-0591	CPGVTWVOVGCRJOOTHUVWGPIPMCRHCINXZPEDSSJEVSGBTCGQBHGKKZMCRKVIIQGKIRLKZMCGNQNG	CPGVTWVOVGCRJOOTHUVWGPIPMCRHCINXZPEDSSJEVSGBTCGQBHGKKZMCRKVIIQGKIRLKZMCGNQNG	ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE	gronsfeld	gronsfeld	polyalphabetic	{ "type": "numeric", "value": "24680" }	intermediate	en	76	76	cipher_museum	2.0	public	null	null
enigma-v2-0407	EFFCXEVXNJWMIAGVBMUBW	EFFCXEVXNJWMIAGVBMUBW	PATIENCE BRINGS VICTORY	enigma	enigma	machine	{ "type": "rotor_start", "value": "JKL" }	expert	en	21	21	cipher_museum	2.0	public	null	null
four-square-v2-0235	ODUCCTAQTSQP	ODUCCTAQTSQP	THE DIE IS CAST	four_square	four_square	polygraphic	{ "key1": "TRIUMPH", "key2": "JUSTICE" }	advanced	en	12	12	cipher_museum	2.0	public	null	null
rail-fence-v3-0075	TAEASLNHFTLSHSALEOIAEOHIBTIPATNHJYOMEINEOOGCOEUDGWGTTRANUNSNISLSZWGIRANEUO	TAEASLNHFTLSHSALEOIAEOHIBTIPATNHJYOMEINEOOGCOEUDGWGTTRANUNSNISLSZWGIRANEUO	THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA	rail_fence	rail_fence	transposition	{ "type": "integer", "value": 7 }	intermediate	en	74	74	cipher_museum	2.0	public	null	null
cda-0005531	MEOEESNTTDINEPEHFERCLENDCXHIAELITSNVEASSOYTCTIXENRIILSFUREEIBDPIHGOASERPXLEPTSUDNACSINEAHCAEELOSTSITNOPUMAXNCRKCIATKAALHTIRXELMRRPGXHNBSAMLOBEEEXAGESTPRDRTPADTRFPVEHETSIFYRAITECOIIGTSIIF	MEOEESNTTDINEPEHFERCLENDCXHIAELITSNVEASSOYTCTIXENRIILSFUREEIBDPIHGOASERPXLEPTSUDNACSINEAHCAEELOSTSITNOPUMAXNCRKCIATKAALHTIRXELMRRPGXHNBSAMLOBEEEXAGESTPRDRTPADTRFPVEHETSIFYRAITECOIIGTSIIF	POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS A STRONG CLAIM NEEDS STRONG EVIDENCE THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF	double_transposition	double_transposition	null	{ "key1": "CIPHER", "key2": "SIGNAL" }	hard	en	186	186	synthetic_educational	null	null	[ "key_length_search", "anagram_recovery" ]	Double columnar transposition: apply columnar twice for stronger security.
m94-v2-0312	DOMXTRUEFIYELEOYCJSYOCZKTYSEZZPYKREBCLSVUHMZPIGFTHYSNTIPUSKHYZLVCHPWN	DOMXTRUEFIYELEOYCJSYOCZKTYSEZZPYKREBCLSVUHMZPIGFTHYSNTIPUSKHYZLVCHPWN	LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO	m94	m94	machine	{ "type": "seed", "value": "LIBERTY" }	expert	en	69	69	cipher_museum	2.0	public	null	null
fractionated-morse-v3-0428	DRUPEUPMDX	DRUPEUPMDX	DEUS VULT	fractionated_morse	fractionated_morse	fractionation	{ "type": "keyword", "value": "JUSTICE" }	advanced	en	10	10	cipher_museum	2.0	public	null	null
red-type-a-v3-0396	WIVEPSESPFUJHZUZOMQSIIGFWONXOZYLIVYSIRPZIZYOFHOGMIWGZEJOWPMYKGEMIFPALBXOQU	WIVEPSESPFUJHZUZOMQSIIGFWONXOZYLIVYSIRPZIZYOFHOGMIWGZEJOWPMYKGEMIFPALBXOQU	NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY	red_type_a	red_type_a	machine	{ "type": "keyword", "value": "MIKADO" }	advanced	en	74	74	cipher_museum	2.0	public	null	null
adfgx-v2-0174	DFAFGGFFDXAAGFGDXAGGAXDDDADFDDAAAAAAGADFDDGXXAADAAAXDGGAXGFAXFAAADAGAAAGAXFFGDGXAFADFGFDXFFAXDADDGXDFAAGDAXFADDAGADAGFDADFFDGXGDFDGADFXFDAXXFA	DFAFGGFFDXAAGFGDXAGGAXDDDADFDDAAAAAAGADFDDGXXAADAAAXDGGAXGFAXFAAADAGAAAGAXFFGDGXAFADFGFDXFFAXDADDGXDFAAGDAXFADDAGADAGFDADFFDGXGDFDGADFXFDAXXFA	WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL	adfgx	adfgx	fractionation	{ "polybius": "LIBERTY", "columnar": "FREEDOM" }	advanced	en	142	142	cipher_museum	2.0	public	null	null
great-cipher-v2-0094	124 116 174 167 139 143 172 165 147 166 149 157 129 102 174 155 142 152 146 140 178 165 175 131 106 170 168 172 130 111 165 136 107 180 118 157 171 108 178 136 170 166 116 138 152 133 105 173 123 161 154 166 159 175 145 167 166 119 137 144 175 151 143 105 172	124 116 174 167 139 143 172 165 147 166 149 157 129 102 174 155 142 152 146 140 178 165 175 131 106 170 168 172 130 111 165 136 107 180 118 157 171 108 178 136 170 166 116 138 152 133 105 173 123 161 154 166 159 175 145 167 166 119 137 144 175 151 143 105 172	CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS	great_cipher	great_cipher	nomenclator	{ "type": "seed", "value": "VERSAILLES" }	expert	en	195	259	cipher_museum	2.0	public	null	null
great-cipher-v2-0291	162 152 149 163 156 158 170 158 111 137 141 128 121 159 121 142 169 144 151	162 152 149 163 156 158 170 158 111 137 141 128 121 159 121 142 169 144 151	TORPEDO AWAY ALL HANDS BRACE	great_cipher	great_cipher	nomenclator	{ "type": "seed", "value": "FRANCE" }	expert	en	57	75	cipher_museum	2.0	public	null	null
red-type-a-v2-0408	JYMWUJWYUZGDSKUVITU	JYMWUJWYUZGDSKUVITU	WISDOM GUARDS THE GATE	red_type_a	red_type_a	machine	{ "type": "keyword", "value": "MIKADO" }	advanced	en	19	19	cipher_museum	2.0	public	null	null
atbash-v2-0021	PMLD GSBHVOU	PMLD GSBHVOU	KNOW THYSELF	atbash	atbash	substitution	{ "type": "none", "value": null }	beginner	en	11	12	cipher_museum	2.0	public	null	null
fialka-v3-0282	ZXTWSZYQQOTHHQIEMHCDEUWRPDYKPUORVWZRSCANEEGTTGYUTEWWQBHIEVRERZUAUBCSRSWD	ZXTWSZYQQOTHHQIEMHCDEUWRPDYKPUORVWZRSCANEEGTTGYUTEWWQBHIEVRERZUAUBCSRSWD	DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS	fialka	fialka	machine	{ "type": "seed", "value": "SOVIET" }	expert	en	72	72	cipher_museum	2.0	public	null	null
chaocipher-v3-0177	MHJREXMZDSVKRBKZHRLJJEOUPKGPKPNLGVZIBPAUFGMOAQJXVOLIKGPPGHFEOIYOXIXPYLFGKEPTMM	MHJREXMZDSVKRBKZHRLJJEOUPKGPKPNLGVZIBPAUFGMOAQJXVOLIKGPPGHFEOIYOXIXPYLFGKEPTMM	BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS	chaocipher	chaocipher	machine	{ "type": "keyword", "value": "LIBERTY" }	advanced	en	78	78	cipher_museum	2.0	public	null	null
cda-0005932	ZXFESFSFRIGGCFJCPECKTFDPASJLRQXKIELJVVVXZWSBJEITOLYHMGNINMEZVPKGFTKWCCZPHHXAEBKWFXDMFNPKSFMAODEYQSBILNMQTHGXQPSZMUEHJTHOKTAMBPNGIAMBP	ZXFESFSFRIGGCFJCPECKTFDPASJLRQXKIELJVVVXZWSBJEITOLYHMGNINMEZVPKGFTKWCCZPHHXAEBKWFXDMFNPKSFMAODEYQSBILNMQTHGXQPSZMUEHJTHOKTAMBPNGIAMBP	OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION	autokey	autokey	null	{ "primer": "LIBRARY" }	hard	en	133	133	synthetic_educational	null	null	[ "running_key_analysis", "index_of_coincidence" ]	Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.
fialka-v3-0297	BGBCYLXVAFJXXZSPWZHLBVWVAOYKPUPSMOKUFYKDCZNMSMCNHTSRNGTLCGMFDPZOEHKTODNZMLISGYPHPAQ	BGBCYLXVAFJXXZSPWZHLBVWVAOYKPUPSMOKUFYKDCZNMSMCNHTSRNGTLCGMFDPZOEHKTODNZMLISGYPHPAQ	RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES	fialka	fialka	machine	{ "type": "seed", "value": "SOVIET" }	expert	en	83	83	cipher_museum	2.0	public	null	null
lorenz-v2-0508	BLOOCSWEATANDTEARSTHESEAREWHATIOFFERYOUFORTHECEFENSEOFOURISLANDNATION	BLOOCSWEATANDTEARSTHESEAREWHATIOFFERYOUFORTHECEFENSEOFOURISLANDNATION	BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION	lorenz	lorenz	machine	{ "type": "seed", "value": "STURGEON" }	expert	en	69	69	cipher_museum	2.0	public	null	null
cda-0018004	daral qokeedy choldaiin ytaiin ypchol oror raiin otaiin qokedy okedy otaiin chedy chedy shal okedy	daral qokeedy choldaiin ytaiin ypchol oror raiin otaiin qokedy okedy otaiin chedy chedy shal okedy	POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS	voynich_render	voynich_render	null	{}	hard	en	84	84	synthetic_educational	null	null	[ "statistical_analysis", "unsolved" ]	Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
cda-0020950	859 868 843 999 855 850 860 801 853 812 999 806 825 845 821 813 851 999 814 841 808 853 874 846 858 856 999 810 826 818 852 802 847 821 854 999 867 826 859 823 999 858 868 844 999 845 843 833 872 803 824 861 854 999 801 834 845 822 800 805 814 858 854 999 807 851 873 847 857 842 820 853 802 845 821 873 999 851 813 867 ...	859 868 843 999 855 850 860 801 853 812 999 806 825 845 821 813 851 999 814 841 808 853 874 846 858 856 999 810 826 818 852 802 847 821 854 999 867 826 859 823 999 858 868 844 999 845 843 833 872 803 824 861 854 999 801 834 845 822 800 805 814 858 854 999 807 851 873 847 857 842 820 853 802 845 821 873 999 851 813 867 ...	TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF	culper_ring	culper_ring	null	{}	hard	en	151	151	synthetic_educational	null	null	[ "codebook_frequency", "number_range_analysis" ]	Culper Ring code: Washington's three-digit codebook numbers (800–999 range).
affine-051	JSVTMROXR DH YVTRE FSO DSUVEPFKDVS DH KAR JRZ KV QDLKVEZ DS FSZ LVSUMDLK	JSVTMROXR DH YVTRE FSO DSUVEPFKDVS DH KAR JRZ KV QDLKVEZ DS FSZ LVSUMDLK	KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT	affine	affine	substitution	{ "a": 3, "b": 5 }	beginner	en	60	72	cipher_museum	0.2	public	null	null
adfgvx-v3-0153	GDDFDDADFAGVADFXDXFDAFAXDAGAAFFGAFAVFVAFXDDDGAADXAFAXAXAVFXAADAAADDDDGDXGDDDAFGGDDFFXDVAVAXGGAVAGDFAXXAXFGFVFAFFAVFAADGAADGVAADDAGDFAFFXAGAFDA	GDDFDDADFAGVADFXDXFDAFAXDAGAAFFGAFAVFVAFXDDDGAADXAFAXAXAVFXAADAAADDDDGDXGDDDAFGGDDFFXDVAVAXGGAVAGDFAXXAXFGFVFAFFAVFAADGAADGVAADDAGDFAFFXAGAFDA	IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY	adfgvx	adfgvx	fractionation	{ "polybius": "LIBERTY", "columnar": "FREEDOM" }	advanced	en	142	142	cipher_museum	2.0	public	null	null
autokey-v2-0328	LTMYEBRSACIPMXVIFRGWMJGOWIVZGYLRTRZNEDYCRIJTATSXRPHMKTLUXYWWFFPLZYMTCYTITKPCI	LTMYEBRSACIPMXVIFRGWMJGOWIVZGYLRTRZNEDYCRIJTATSXRPHMKTLUXYWWFFPLZYMTCYTITKPCI	ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW	autokey	autokey	polyalphabetic	{ "type": "keyword", "value": "LIBERTY" }	intermediate	en	77	77	cipher_museum	2.0	public	null	null
vic-068	012345834950368682480	012345834950368682480	CIPHER KEY CHANGED	vic	vic	substitution	{ "type": "keyword", "value": "CIPHER" }	advanced	en	21	21	cipher_museum	0.2	public	null	null
playfair-v3-0537	UODUAQBIUCQNRAUCFHEOUQHEEVULAVOWGDUWQMFBQEVDDQPUAGUTWUVEKZHRQCDHUPTHARNFIGPZ	UODUAQBIUCQNRAUCFHEOUQHEEVULAVOWGDUWQMFBQEVDDQPUAGUTWUVEKZHRQCDHUPTHARNFIGPZ	WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER	playfair	playfair	polygraphic	{ "type": "keyword", "value": "JUSTICE" }	intermediate	en	76	76	cipher_museum	2.0	public	null	null
autokey-it-008	JIUZWMVVWZWLMJXVVWZWLMJXVVW	JIUZWMVVWZWLMJXVVWZWLMJXVVW	RESISTERE RESISTERE RESISTERE	autokey	autokey	polyalphabetic	{ "type": "keyword", "value": "SECRET" }	intermediate	it	27	27	cipher_museum	0.2	public	null	null
kl7-v3-0170	EFAWWFWCZDGBCIUONWRNHIINEOWCYHWZSVEPIOGYRMJBMDQVSUOJLGVTXNMKRQGAKTZORRXKKZ	EFAWWFWCZDGBCIUONWRNHIINEOWCYHWZSVEPIOGYRMJBMDQVSUOJLGVTXNMKRQGAKTZORRXKKZ	GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN	kl7	kl7	machine	{ "type": "seed", "value": "LIBERTY" }	expert	en	74	74	cipher_museum	2.0	public	null	null
cda-0007500	LUHLC XCUCX MSBXP WVFLI JPVJB WOVCC VFCMJ QXRRV FVSCO VCCVF MHLVF DJHOV VDXQV SBVBM IVLHV RMFVB MSRXQ VSBVC WVDXN VSVFV BXPWV FULVL JFVPV JCXSN AVGYM FQWXL CMFXB JOBXP WVFLJ FVCVJ BWVFL SMCPF MCVBC XMSCM IMFFM Y	LUHLC XCUCX MSBXP WVFLI JPVJB WOVCC VFCMJ QXRRV FVSCO VCCVF MHLVF DJHOV VDXQV SBVBM IVLHV RMFVB MSRXQ VSBVC WVDXN VSVFV BXPWV FULVL JFVPV JCXSN AVGYM FQWXL CMFXB JOBXP WVFLJ FVCVJ BWVFL SMCPF MCVBC XMSCM IMFFM Y	SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE VIGENERE CIPHER USES A REPEATING KEYWORD HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION TOMORROW	monoalphabetic	monoalphabetic	null	{ "alphabet": "JHBQVRNWXKAOISMPZFLCUDYEGT" }	hard	en	176	176	synthetic_educational	null	null	[]
cda-0009075	HAUO WSTU DTUA OEMA PLLN PABU DLIS NLTS RNXR ESHE GXEO HOAS X	HAUO WSTU DTUA OEMA PLLN PABU DLIS NLTS RNXR ESHE GXEO HOAS X	HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS	scytale	scytale	null	{ "cols": 7 }	medium	en	49	49	synthetic_educational	null	null	[]
cda-0012326	⟨a29⟩ ⟨w32⟩ ⟨a01⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w08⟩ ⟨a01⟩ ⟨w26⟩ ⟨w20⟩ ⟨a11⟩ ⟨a19⟩ ⟨w08⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨a11⟩ ⟨a01⟩ ⟨w10⟩ ⟨w14⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w22⟩ ⟨w20⟩ ⟨w...	⟨a29⟩ ⟨w32⟩ ⟨a01⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w08⟩ ⟨a01⟩ ⟨w26⟩ ⟨w20⟩ ⟨a11⟩ ⟨a19⟩ ⟨w08⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨a11⟩ ⟨a01⟩ ⟨w10⟩ ⟨w14⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w22⟩ ⟨w20⟩ ⟨w...	HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY CERTAINLY	babington	babington	null	{}	hard	en	101	101	synthetic_educational	null	null	[ "nomenclator_frequency", "symbol_mapping" ]	Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
monoalphabetic-022	ZVZGS CTPSFAP MPRAPQ	ZVZGS CTPSFAP MPRAPQ	AWAIT FURTHER ORDERS	monoalphabetic	monoalphabetic	substitution	{ "type": "keyword", "value": "ZEBRA" }	beginner	en	18	20	cipher_museum	0.2	public	null	null
cda-0010953	GURZ SFFO TSJO FUVR RRAP HGAB GFRQ HES	GURZ SFFO TSJO FUVR RRAP HGAB GFRQ HES	THE MESSAGE WAS HIDDEN BUT NOT SECURE	porta	porta	null	{ "key": "SECURE" }	medium	en	31	31	synthetic_educational	null	null	[]
wallis-cipher-v2-0020	90 56 68 55 63 81 37 10 33 42 34 91 90 14 89 28 85 55 91 90 48 61 87 34 22 54 82 91	90 56 68 55 63 81 37 10 33 42 34 91 90 14 89 28 85 55 91 90 48 61 87 34 22 54 82 91	EXTRACTION POINT CHANGED	wallis_cipher	wallis_cipher	nomenclator	{ "type": "seed", "value": "OXFORD" }	expert	en	56	83	cipher_museum	2.0	public	null	null
cda-0021141	10.3.1 14.1.8 11.6.10 7.5.6 13.6.4 19.6.1 17.3.8 7.1.7 8.1.2 6.2.5 7.2.1 15.3.2 7.3.1 10.5.9 16.5.8 5.3.8 10.3.8 4.4.1 5.6.10 19.2.3 12.4.6 8.2.8 3.4.1 20.1.7 5.1.6 7.6.4 19.5.2 8.3.10 5.6.6 18.3.10 18.5.4 19.1.9 16.3.3 6.2.7 8.4.9 17.1.5 2.1.7 6.3.5 9.3.7 11.5.5 19.1.5 4.2.7 3.4.5 17.4.10 14.2.6 10.3.10 9.3.2 3.6.9 18...	10.3.1 14.1.8 11.6.10 7.5.6 13.6.4 19.6.1 17.3.8 7.1.7 8.1.2 6.2.5 7.2.1 15.3.2 7.3.1 10.5.9 16.5.8 5.3.8 10.3.8 4.4.1 5.6.10 19.2.3 12.4.6 8.2.8 3.4.1 20.1.7 5.1.6 7.6.4 19.5.2 8.3.10 5.6.6 18.3.10 18.5.4 19.1.9 16.3.3 6.2.7 8.4.9 17.1.5 2.1.7 6.3.5 9.3.7 11.5.5 19.1.5 4.2.7 3.4.5 17.4.10 14.2.6 10.3.10 9.3.2 3.6.9 18...	FAIL CLOSED IS A POSTURE NOT A SLOGAN A TRANSPARENT TOOL SHOULD SHOW ITS REASONING OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE VIGENERE CIPHER USES A REPEATING KEYWORD	arnold_andre	arnold_andre	null	{}	hard	en	149	149	synthetic_educational	null	null	[ "book_cipher_attack", "triple_index_search" ]	Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.
alberti-disk-256	HAVNHZXFYGSAYUYGQJ	HAVNHZXFYGSAYUYGQJ	SEND REINFORCEMENTS	alberti_disk	alberti_disk	disk	{ "type": "integer", "value": 22 }	expert	en	18	18	cipher_museum	0.2	public	null	null
argenti-v2-0159	28 44 25 59 41 37 84 17 83 13 66 72 75	28 44 25 59 41 37 84 17 83 13 66 72 75	ANNUIT COEPTIS	argenti	argenti	nomenclator	{ "type": "seed", "value": "PAPAL" }	expert	en	26	38	cipher_museum	2.0	public	null	null
cda-0013824	61 34 23 36 32 33 99 87 41 2 99 1 30 41 11 49 50 87 2 81 3 22 79 22 2 39 78 23 27 80 87 66 63 17 48 34 11 82 11 91 3 26 15 57 87 30 1 59 4 99 33 23 62 11 43 60 34 45 81 24 23 79 66 52 33 70 21 33 52 26 32 67 30 22 25 58 82 70 11 63 45 43 93 60 59 72 70 1 63 63 30 49 23 11 35 72 30 32 40 15 2 34 33 15 21 34 41 63 68 66 ...	61 34 23 36 32 33 99 87 41 2 99 1 30 41 11 49 50 87 2 81 3 22 79 22 2 39 78 23 27 80 87 66 63 17 48 34 11 82 11 91 3 26 15 57 87 30 1 59 4 99 33 23 62 11 43 60 34 45 81 24 23 79 66 52 33 70 21 33 52 26 32 67 30 22 25 58 82 70 11 63 45 43 93 60 59 72 70 1 63 63 30 49 23 11 35 72 30 32 40 15 2 34 33 15 21 34 41 63 68 66 ...	FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A STRONG CLAIM NEEDS STRONG EVIDENCE DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE	homophonic	homophonic	null	{}	hard	en	117	117	synthetic_educational	null	null	[ "frequency_analysis", "multiple_ciphertext_attack" ]	Homophonic substitution: each letter maps to multiple possible numbers.
trifid-v2-0420	UCFPSTRFGN+QREHHMISN+FCNUCVGQGQ+JMKNFFPVVOERV+A	UCFPSTRFGN+QREHHMISN+FCNUCVGQGQ+JMKNFFPVVOERV+A	THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES	trifid	trifid	fractionation	{ "type": "keyword", "value": "FREEDOM" }	advanced	en	47	47	cipher_museum	2.0	public	null	null
cda-0020197	Γ Γ· ⌐· ⌐· Γ· L ⌐ ─ Γ r· L └ └ ┌ ⌐ ─ Γ· ─ K ┌· ┘· Γ X· r L Γ ┐· X· ¬ └ Γ· r ┐ L ⌒· r ┌· ⌒· ┐· K ┘· ¬· ┌· ⌐ ┐· r· ⌒· Γ· ─ ─ Γ· ─ L K L L ─ X L K· L ─ K ⌒· X Γ· ⌣ K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ· ─ r Γ· ┐· r· L ┌· K L ⌣ K r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐·...	Γ Γ· ⌐· ⌐· Γ· L ⌐ ─ Γ r· L └ └ ┌ ⌐ ─ Γ· ─ K ┌· ┘· Γ X· r L Γ ┐· X· ¬ └ Γ· r ┐ L ⌒· r ┌· ⌒· ┐· K ┘· ¬· ┌· ⌐ ┐· r· ⌒· Γ· ─ ─ Γ· ─ L K L L ─ X L K· L ─ K ⌒· X Γ· ⌣ K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ· ─ r Γ· ┐· r· L ┌· K L ⌣ K r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐·...	DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY	pigpen	pigpen	null	{}	medium	en	77	77	synthetic_educational	null	null	[ "symbol_frequency", "grid_position_decode" ]	Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
cda-0010301	MPFH VSKU KAIA FVCC YJFH NWNL IDNC AOIY ZLZO BPCH SCSP UEUN OFAZ LDKS LJXZ BNKN TJVN CFVX LIOB ATRJ VBQF ZAMA CQDV SSCR FXMO EJYS EEMH CQKU OCRQ DBAH JRLB MOEZ Q	MPFH VSKU KAIA FVCC YJFH NWNL IDNC AOIY ZLZO BPCH SCSP UEUN OFAZ LDKS LJXZ BNKN TJVN CFVX LIOB ATRJ VBQF ZAMA CQDV SSCR FXMO EJYS EEMH CQKU OCRQ DBAH JRLB MOEZ Q	MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS	trithemius	trithemius	null	{}	hard	en	129	129	synthetic_educational	null	null	[]
wallis-cipher-073	90 19 46 30 55 75 91 90 28 69 87 47 19 76 91 90 66 30 11 53 91	90 19 46 30 55 75 91 90 28 69 87 47 19 76 91 90 66 30 11 53 91	ENEMY FORCES NEAR	wallis_cipher	wallis_cipher	nomenclator	{ "type": "seed", "value": "CIPHER" }	expert	en	42	62	cipher_museum	0.2	public	null	null
venona-pad-reuse-v3-0244	DAERL5UBGLPDGBXRPP	DAERL5UBGLPDGBXRPP	GRAVITY EXPLAINS ALL	venona_pad_reuse	venona_pad_reuse	stream	{ "type": "keyword", "value": "FREEDOM" }	expert	en	18	18	cipher_museum	2.0	public	null	null
trithemius-v3-0007	MBTFL YU CQLDZDL	MBTFL YU CQLDZDL	MARCH TO VICTORY	trithemius	trithemius	polyalphabetic	{ "type": "none", "value": null }	beginner	en	14	16	cipher_museum	2.0	public	null	null
confederate-vigenere-v2-0266	SZBAWWPBIXWIZS	SZBAWWPBIXWIZS	PRESS THE ATTACK	confederate_vigenere	confederate_vigenere	polyalphabetic	{ "type": "keyword", "value": "DIXIE" }	intermediate	en	14	14	cipher_museum	2.0	public	null	null
cda-0009400	SITS CEME CSSR UTSU RHET IDOI TUUN YNLY CDDX XEBL AERX	SITS CEME CSSR UTSU RHET IDOI TUUN YNLY CDDX XEBL AERX	SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY	stager_route	stager_route	null	{ "cols": 11 }	medium	en	44	44	synthetic_educational	null	null	[]
adfgx-v3-0299	XGADADFDAGGAGXDXGADADAADDFGDFFGADADA	XGADADFDAGGAGXDXGADADAADDFGDFFGADADA	LOWER THE DRAWBRIDGE	adfgx	adfgx	fractionation	{ "polybius": "DRAGON", "columnar": "THUNDER" }	advanced	en	36	36	cipher_museum	2.0	public	null	null
beaufort-v2-0518	GRYBWYRRIJAOPO	GRYBWYRRIJAOPO	PRESS THE ATTACK	beaufort	beaufort	polyalphabetic	{ "type": "keyword", "value": "VICTORY" }	intermediate	en	14	14	cipher_museum	2.0	public	null	null
cda-0021378	0992 03858 0324 06045 6041 02914 00975 0349 3845 0985 2908 5070 02568 1640 05737 6044 06342 1587 00341 1001 2552 7292 02517 7895 4150 04798 01312 01611 5694 04461 06012 1586 01026 06645 05657 02858 06333 7917 04165 00349 06371 6378 1596 5704 6006	0992 03858 0324 06045 6041 02914 00975 0349 3845 0985 2908 5070 02568 1640 05737 6044 06342 1587 00341 1001 2552 7292 02517 7895 4150 04798 01312 01611 5694 04461 06012 1586 01026 06645 05657 02858 06333 7917 04165 00349 06371 6378 1596 5704 6006	CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS	zimmermann	zimmermann	null	{}	medium	en	45	45	synthetic_educational	null	null	[ "codebook_frequency", "number_group_analysis" ]	Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.
cda-0012208	CHOLD AIINO TEDYO KSHYC HEDYO KALLK AIINC HOLOK SHYOK ALOTO LSHAR ALSHE EDYSH EDYSH ORYKC HEOLS HEEDY YTEDY SHEOL SHEED YOTED YDAIN YCHOR YKCHE OLRAI INAII INDAR ALOKA INSHE EDYOT AIINC HOLYK CHEOL OTAII NOTOL OKALD AINYC HORCH EDYOK AINOK EEDYQ OTEDY RAIIN SHEOL SHEED YCHEO LCHOL OTEDY YKCHE OLDAR ALSHE EDYDA INYOK AL...	CHOLD AIINO TEDYO KSHYC HEDYO KALLK AIINC HOLOK SHYOK ALOTO LSHAR ALSHE EDYSH EDYSH ORYKC HEOLS HEEDY YTEDY SHEOL SHEED YOTED YDAIN YCHOR YKCHE OLRAI INAII INDAR ALOKA INSHE EDYOT AIINC HOLYK CHEOL OTAII NOTOL OKALD AINYC HORCH EDYOK AINOK EEDYQ OTEDY RAIIN SHEOL SHEED YCHEO LCHOL OTEDY YKCHE OLDAR ALSHE EDYDA INYOK AL...	INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY	voynich_render	voynich_render	null	{}	hard	en	272	272	synthetic_educational	null	null	[ "statistical_analysis", "unsolved" ]	Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
venona-pad-reuse-024	E5WYY2CMHP	E5WYY2CMHP	TRUST NO ONE	venona_pad_reuse	venona_pad_reuse	stream	{ "type": "keyword", "value": "XMCKL" }	expert	en	10	10	cipher_museum	0.2	public	null	null
fractionated-morse-v2-0442	NIRSBSVXFATEKTBEOSXFANGTENFSVUFATTBTVVAGUMIIKXRVXKXFABAWNLIRVVATAENPBEEIJSVTTEDALMHNE	NIRSBSVXFATEKTBEOSXFANGTENFSVUFATTBTVVAGUMIIKXRVXKXFABAWNLIRVVATAENPBEEIJSVTTEDALMHNE	TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS	fractionated_morse	fractionated_morse	fractionation	{ "type": "keyword", "value": "FREEDOM" }	advanced	en	85	85	cipher_museum	2.0	public	null	null
geez-monastic-v2-0365	DMYUPMGMYGWLIQLNMWIMNMWIMXHUUFMQMJZYVNMWIMUFMSWQJZWIUHWPPLXMDHYUFMYMOUDWPMUFWUZSMMNZCQVGUFMYVQUFSJPPXQJYDUVVHQMWQZUFMIPWZFVCQMZVHYAJYDWQGZVHQXQMUFQMYWQMWPQMWALJYUFMCJMPA	DMYUPMGMYGWLIQLNMWIMNMWIMXHUUFMQMJZYVNMWIMUFMSWQJZWIUHWPPLXMDHYUFMYMOUDWPMUFWUZSMMNZCQVGUFMYVQUFSJPPXQJYDUVVHQMWQZUFMIPWZFVCQMZVHYAJYDWQGZVHQXQMUFQMYWQMWPQMWALJYUFMCJMPA	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	geez_monastic	geez_monastic	substitution	{ "type": "keyword", "value": "LALIBELA" }	advanced	en	169	169	cipher_museum	2.0	public	null	null
four-square-v2-0300	ODTFTCQHBNCSGGQUAQODRCRFALGBEBDDYAQSELIGMDGKVHUCCUDDODIFDLYLKSAQOMMTOOLTGSALAW	ODTFTCQHBNCSGGQUAQODRCRFALGBEBDDYAQSELIGMDGKVHUCCUDDODIFDLYLKSAQOMMTOOLTGSALAW	THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING	four_square	four_square	polygraphic	{ "key1": "TRIUMPH", "key2": "JUSTICE" }	advanced	en	78	78	cipher_museum	2.0	public	null	null
cda-0021427	8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19 5 18 18 15 18 3 15 18 18 5 3 20 9 15 14 1 14 4 4 5 20 5 3 20 9 15 14 1 18 5 6 21 14 4 1 13 5 14 20 1 12 20 15 19 5 3 21 18 5 19 25 19 20 5 13 19	8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19 5 18 18 15 18 3 15 18 18 5 3 20 9 15 14 1 14 4 4 5 20 5 3 20 9 15 14 1 18 5 6 21 14 4 1 13 5 14 20 1 12 20 15 19 5 3 21 18 5 19 25 19 20 5 13 19	HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS	aeneas_tacticus	aeneas_tacticus	null	{}	hard	en	107	107	synthetic_educational	null	null	[ "sequential_number_decode", "frequency_analysis" ]	Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.
chaocipher-157	WYBIXZUDHVFTJOTAVAYTGZFXUHOPFRTCGJNVIDMYMF	WYBIXZUDHVFTJOTAVAYTGZFXUHOPFRTCGJNVIDMYMF	GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY	chaocipher	chaocipher	machine	{ "type": "keyword", "value": "SECRET" }	advanced	en	42	42	cipher_museum	0.2	public	null	null
gronsfeld-v3-0741	AIMEIZUTGQZTCTZVVVFMK	AIMEIZUTGQZTCTZVVVFMK	THE CASTLE IS SURROUNDED	gronsfeld	gronsfeld	polyalphabetic	{ "type": "numeric", "value": "71828" }	intermediate	en	21	21	cipher_museum	2.0	public	null	null
two-square-v3-0280	ULMNPSQUELLIDDSUKAROIFLETCBHGWPAIHEDVERGEAQGTBNFLANOMHNSNFDVPPREDDTPWOUHEVCPRVOBZQDWEALILHDDMHPPTPTEQURPOUBEEPTAOPKOBSRPOUBEEDOAUTRGFUNSRCEHADRNBECNQSKUTEEEREQGHRQCOZ	ULMNPSQUELLIDDSUKAROIFLETCBHGWPAIHEDVERGEAQGTBNFLANOMHNSNFDVPPREDDTPWOUHEVCPRVOBZQDWEALILHDDMHPPTPTEQURPOUBEEPTAOPKOBSRPOUBEEDOAUTRGFUNSRCEHADRNBECNQSKUTEEEREQGHRQCOZ	ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS	two_square	two_square	polygraphic	{ "key1": "TRIUMPH", "key2": "JUSTICE" }	advanced	en	166	166	cipher_museum	2.0	public	null	null
nihilist-v3-0037	65 37 59 88 28 28 36 55 58 79 24 30 63 27 95 59 25 28 64	65 37 59 88 28 28 36 55 58 79 24 30 63 27 95 59 25 28 64	THE TELESCOPE REVEALS	nihilist	nihilist	fractionation	{ "polybius": "PALACE", "keyword": "BATTLE" }	advanced	en	38	56	cipher_museum	2.0	public	null	null
adfgx-160	AAGAADAAAFXAAADAAFDGGGGAAAGAGFFAGFFFFXDAXDAADDDDXGADGXXFDDDDXXXGADAAXAGDADDGXDADAXXADDDDDADADAADFFFGAGAAFGAGAG	AAGAADAAAFXAAADAAFDGGGGAAAGAGFFAGFFFFXDAXDAADDDDXGADGXXFDDDDXXXGADAAXAGDADDGXDADAXXADDDDDADADAADFFFGAGAAFGAGAG	TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND	adfgx	adfgx	fractionation	{ "polybius": "SECRET", "columnar": "AGENTS" }	advanced	en	110	110	cipher_museum	0.2	public	null	null
cda-0021819	19.27.3 5.2.2 20.47.1 2.39.14 14.37.15 1.1.1 8.23.7 2.23.13 18.39.12 13.50.13 19.48.2 16.45.12 12.15.1 16.18.5 20.24.5 11.18.2 1.46.4 3.2.11 8.39.14 10.43.12 8.45.11 16.22.8 19.30.10 11.41.5 5.15.8 1.32.8 11.22.9 11.3.14 1.40.8 12.37.13 10.46.11 6.16.3 16.32.1 8.45.12 16.21.9 1.41.1 4.42.8 19.45.8 8.4.5 3.2.13 13.47.7 ...	19.27.3 5.2.2 20.47.1 2.39.14 14.37.15 1.1.1 8.23.7 2.23.13 18.39.12 13.50.13 19.48.2 16.45.12 12.15.1 16.18.5 20.24.5 11.18.2 1.46.4 3.2.11 8.39.14 10.43.12 8.45.11 16.22.8 19.30.10 11.41.5 5.15.8 1.32.8 11.22.9 11.3.14 1.40.8 12.37.13 10.46.11 6.16.3 16.32.1 8.45.12 16.21.9 1.41.1 4.42.8 19.45.8 8.4.5 3.2.13 13.47.7 ...	CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER	book_cipher	book_cipher	null	{}	hard	en	90	90	synthetic_educational	null	null	[ "book_cipher_attack", "triple_index_search" ]	Book cipher: coordinates (page.line.word) referencing a shared document.
straddling-checkerboard-v3-0275	7414356742225173222357262142522340729472022523216116218483121572202822252228875523200221425412786242022172476	7414356742225173222357262142522340729472022523216116218483121572202822252228875523200221425412786242022172476	WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY	straddling_checkerboard	straddling_checkerboard	substitution	{ "type": "top_row", "value": "RASTONICEL" }	advanced	en	109	109	cipher_museum	2.0	public	null	null
confederate-vigenere-096	CTAALVYWGSHJCAIHKVCVSHPCVPTTIECVSDSDGVBLVVNGESEPGZH	CTAALVYWGSHJCAIHKVCVSHPCVPTTIECVSDSDGVBLVVNGESEPGZH	ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS	confederate_vigenere	confederate_vigenere	polyalphabetic	{ "type": "keyword", "value": "CIPHER" }	intermediate	en	51	51	cipher_museum	0.2	public	null	null
cda-0012599	811 826 817 816 824 812 999 800 839 810 999 823 812 834 834 836 800 841 999 826 839 858 853 844 809 860 806 812 811 999 845 862 805 835 826 806 999 830 813 872 999 807 851 873 845 858 842 820 852 801 846 823 874 999 826 840 999 841 824 840 812 857 813 814 840 999 856 813 863 812 839 859 872 999 855 825 871 999 820 852 ...	811 826 817 816 824 812 999 800 839 810 999 823 812 834 834 836 800 841 999 826 839 858 853 844 809 860 806 812 811 999 845 862 805 835 826 806 999 830 813 872 999 807 851 873 845 858 842 820 852 801 846 823 874 999 826 840 999 841 824 840 812 857 813 814 840 999 856 813 863 812 839 859 872 999 855 825 871 999 820 852 ...	DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER	culper_ring	culper_ring	null	{}	hard	en	166	166	synthetic_educational	null	null	[ "codebook_frequency", "number_range_analysis" ]	Culper Ring code: Washington's three-digit codebook numbers (800–999 range).
slidex-v3-0153	MQJAMPBBOQLKLVNDHRWLLRVPYEAVWXOCBJWEBQMHUCJKULTCFCSSGRIJYTGSOUHBSSURMQQQ	MQJAMPBBOQLKLVNDHRWLLRVPYEAVWXOCBJWEBQMHUCJKULTCFCSSGRIJYTGSOUHBSSURMQQQ	IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY	slidex	slidex	transposition	{ "type": "keyword", "value": "LIBERTY" }	advanced	en	72	72	cipher_museum	2.0	public	null	null
vigenere-051	VRAKYPHSSVDTAKRCEZRVYJAFZLXUCATWFVRVIKHBGMOHBCCUBNYCOCAQPUQG	VRAKYPHSSVDTAKRCEZRVYJAFZLXUCATWFVRVIKHBGMOHBCCUBNYCOCAQPUQG	KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT	vigenere	vigenere	polyalphabetic	{ "type": "keyword", "value": "LEMON" }	intermediate	en	60	60	cipher_museum	0.2	public	null	null
cardano-autokey-v2-0010	NSZLJKHHWLKFMCHDTWDWJ	NSZLJKHHWLKFMCHDTWDWJ	BRIDGE DESTROYED AT DAWN	cardano_autokey	cardano_autokey	polyalphabetic	{ "type": "keyword", "value": "MILAN" }	advanced	en	21	21	cipher_museum	2.0	public	null	null
columnar-transposition-v3-0196	NSNTNYEIHCWEETRURSISOWEFECERLOOBCNHNEDHWEAHCHNOSOELLAHNEOYEEHLREOUTMSNTVINHEMTSCCITAIRAISRPDTISVTIEOAUHEITEEBEFOSEAHCDHTLEEMENHOVECOPSPLIOTAHDTSPPNUMSEAEOETDACWHHLACHT	NSNTNYEIHCWEETRURSISOWEFECERLOOBCNHNEDHWEAHCHNOSOELLAHNEOYEEHLREOUTMSNTVINHEMTSCCITAIRAISRPDTISVTIEOAUHEITEEBEFOSEAHCDHTLEEMENHOVECOPSPLIOTAHDTSPPNUMSEAEOETDACWHHLACHT	WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION	columnar_transposition	columnar_transposition	transposition	{ "type": "keyword", "value": "FORTRESS" }	intermediate	en	167	167	cipher_museum	2.0	public	null	null
kryptos-208	QEDWSBGKAYVCJUH	QEDWSBGKAYVCJUH	EVACUATE THE BASE	kryptos	kryptos	polyalphabetic	{ "type": "keyword", "value": "CIPHER" }	advanced	en	15	15	cipher_museum	0.2	public	null	null
m94-v2-0148	JWCDRANDWASOHDJHBZAFFZNGNSSPTCRLCLEOOABWALMPJFH	JWCDRANDWASOHDJHBZAFFZNGNSSPTCRLCLEOOABWALMPJFH	THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES	m94	m94	machine	{ "type": "seed", "value": "FREEDOM" }	expert	en	47	47	cipher_museum	2.0	public	null	null
straddling-checkerboard-v2-0316	40723486425222850217484251282842586222522104162128221665472645425862257467262122034162186248612828741763	40723486425222850217484251282842586222522104162128221665472645425862257467262122034162186248612828741763	TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS	straddling_checkerboard	straddling_checkerboard	substitution	{ "type": "top_row", "value": "RASTONICEL" }	advanced	en	104	104	cipher_museum	2.0	public	null	null
cda-0003965	QNO ARULCQGLOK CBFLPR CBOUFREK LCQ SITVEIQZ SK ORF FEBAJWVH OTGV TFBZPR JXF UBRBULFSZZRY MCGYIF QEZQ GLQIMF NSCFYN	QNO ARULCQGLOK CBFLPR CBOUFREK LCQ SITVEIQZ SK ORF FEBAJWVH OTGV TFBZPR JXF UBRBULFSZZRY MCGYIF QEZQ GLQIMF NSCFYN	THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE ARCHITECTURE SHOULD MAKE MISUSE HARDER	beaufort	beaufort	null	{ "key": "JUSTICE" }	hard	en	98	98	synthetic_educational	null	null	[ "kasiski_examination", "friedman_test", "index_of_coincidence" ]	Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).
monoalphabetic-v3-0634	MIO JPMIOJ JT JPQOJ	MIO JPMIOJ JT JPQOJ	PER ASPERA AD ASTRA	monoalphabetic	monoalphabetic	substitution	{ "type": "keyword", "value": "JUSTICE" }	beginner	en	16	19	cipher_museum	2.0	public	null	null
affine-369	OWPPZM ZAHK CYQPXYQAOKT	OWPPZM ZAHK CYQPXYQAOKT	SUPPLY LINE COMPROMISED	affine	affine	substitution	{ "a": 17, "b": 20 }	beginner	en	21	23	cipher_museum	0.2	public	null	null
double-transposition-v2-0444	NRONNADIYHEWIOFLEHEUNEFOLEBSGADHOEIIDINKHTOHATNTFSONTFDEWRGDLGNSGMROTNISDEEOE	NRONNADIYHEWIOFLEHEUNEFOLEBSGADHOEIIDINKHTOHATNTFSONTFDEWRGDLGNSGMROTNISDEEOE	THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING	double_transposition	double_transposition	transposition	{ "key1": "DRAGON", "key2": "THUNDER" }	advanced	en	77	77	cipher_museum	2.0	public	null	null
fractionated-morse-v2-0158	AIQROQABFPLROVPMN	AIQROQABFPLROVPMN	E PLURIBUS UNUM	fractionated_morse	fractionated_morse	fractionation	{ "type": "keyword", "value": "FORTRESS" }	advanced	en	17	17	cipher_museum	2.0	public	null	null
fractionated-morse-v2-0295	DYGYIPWFMYBMLSLVMTEAKIYKBMNABMUYAKIPAYPYBMLSJPNQMMGDPGEAKIQYYBLYPC	DYGYIPWFMYBMLSLVMTEAKIYKBMNABMUYAKIPAYPYBMLSJPNQMMGDPGEAKIQYYBLYPC	BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES	fractionated_morse	fractionated_morse	fractionation	{ "type": "keyword", "value": "LIBERTY" }	advanced	en	66	66	cipher_museum	2.0	public	null	null
kl7-v3-0290	KQPYZMCUMJUGDKGXDTCXLZQWZXUVMYDQQIAYRCLTDDKRQZPSOGRYZSOPITKMDKRDHQHSSECRIJQCZVOOFYVGH	KQPYZMCUMJUGDKGXDTCXLZQWZXUVMYDQQIAYRCLTDDKRQZPSOGRYZSOPITKMDKRDHQHSSECRIJQCZVOOFYVGH	CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE	kl7	kl7	machine	{ "type": "seed", "value": "FREEDOM" }	expert	en	85	85	cipher_museum	2.0	public	null	null
enigma-v2-0545	TZYQOIBEKOPINNNFDIRCFINGFMYAOWEOKCFTJKJSMKEKEIJIG	TZYQOIBEKOPINNNFDIRCFINGFMYAOWEOKCFTJKJSMKEKEIJIG	ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD	enigma	enigma	machine	{ "type": "rotor_start", "value": "MNO" }	expert	en	49	49	cipher_museum	2.0	public	null	null

Subsets and Splits

No community queries yet

The top public SQL queries from the community will appear here once available.