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@k4m4 k4m4/blaises_cipher_picoCTF.txt Secret
Created Oct 20, 2018

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The ciphertext for the "blaise's cipher" picoCTF 2018 challenge.
Yse lncsz bplr-izcarpnzjo dkxnroueius zf g uzlefwpnfmeznn cousex bls ltcmaqltki my Rjzn Hfetoxea Gqmexyt axtfnj 1467
fyd axpd g rptgq nivmpr jndc zt dwoynh hjewkjy cousex fwpnfmezx. Llhjcto'x dyyypm uswy ybttimpd gqahggpty fqtkw deb
jcar bzrjx, lnj xhizhsey bprk nydohltki my cwttosr tnj wezypr uk ehk hzrxjdpusoitl llvmlbky tn zmp cousexypxz. Qltkw
, tn 1508, Ptsatsps Zwttnjxiax, tn nnd wuwv Puqtgxfahof, tnbjytki ehk ylbaql rkhea, g hciznnar hzmvtyety zf zmp Volp
nkwp cousex. Yse Zwttnjxiax nivmpr, nthebjc, otqj pxtgijjo a vwzgxjdsoap, roltd, gso pxjoiiylbrj dyyypm ltc scnecnny
g hjewkjy cousex fwpnfmezx.
Hhgy ts tth ktthn gx ehk Atgksprk htpnjc wgx zroltngqwy jjdcxnmej gj Gotgat Gltzndtg Gplrfdo os siy 1553 gzoq Ql cok
ca jjw. Sol. Riualn Hfetoxea Hjwlgxz. Hk gfiry fpus ehk ylbaql rkhea uk Eroysesnfs, hze ajipd g wppkfeitl "noaseexxt
gt" (f vee) yz scnecn htpnjc arusahjes kapre qptzjc. Wnjcegx Llhjcto fyd Zwttnjxiax fski l focpd vfetkwy ol xfbyytta
ytotx, Merqlsu'x dcnjxe sjlnz yse vfetkwy ol xfbyyttaytotx noaqo bk jlsoqj cnfygki disuwy hd derjntosr a tjh kkd. Ve
ex hexj eyvnnarqj sosrlk bzrjx zr ymzrz usrgxps, qszwt yz buys pgweikx tn gigathp, ox ycatxxizypd "uze ol glnj" fwot
l hizm ehk rpsyfre. Hjwlgxz's sjehui ehax cewztrki dtxtyg yjnuxney ltc otqj tnj vee. Fd iz nd rkqltoaple jlse yz skh
frk f dhuwe kkd ahxfde, yfj be f arkatoax aroaltk hznbjcsgytot, Gplrfdo'y xjszjx wgx notxtdkwlbrd xoxj deizce.
Hqliyj oe Bnretjce vzmloxsej mts jjdcxnatoty ol f disnwax gft yycotlpr gzeoqjj cousex gpfuwp tnj noawe ol Mpnxd TIO
tq Fxfyck, ny 1586. Lgypr, os ehk 19ys ckseuxd, ehk nyvkseius zf Hjwlgxz's inahkw hay rtsgyerogftki eo Bnretjce. Jfgij Plht ny hox moup Ehk Hzdkgcegppry qlmkseej yse sndazycihzeius my yfjitl ehgy siyyzre mld "olyoxjo tnnd isuzrzfyt
itytxnmuznzn gso itxeegi yasjo a xjrrkxdibj lnj jwesjytgwj cousex kzr nnx [Volpnkwp] tntfgn mp hgi yozmtnm yz du bttn ne". pohzCZK{g1gt3w3_n1pn3wd_ax3s7_maj_5352gq72}
Tnj Gimjyexj nivmpr mftnki l rkuftgytot kzr hjtnm jickueiusllrd dtxtyg. Tteej fftntc ati xazmpmgytcofy Cnfclkx Wuzbt
dmj Oojldot (Qpwox Naxwzlr) hllrjo tnj Gimjyexj nivmpr asmrkfvahqp it mts 1868 vnpck "Yse Gqahggpt Inahkw" tn g hsir
icet'x xamfkitj. Tn 1917, Yhtetytfoh Lmkwtcgs oeyhcihjo tnj Gimjyexj nivmpr gx "tmvtdsogwe uk ergsdlgytot". Ysiy wpp
ayltoty wgx yoz ipskwgej. Hsaxqps Hfmbglp iy pyocs eo nfge hwzkks l vgwtaty zf zmp cousex fd egwwy gx 1854; socjgex,
mp doiy't vzmloxs hox hoxp. Vayndko jytowple gcoqj ehk htpnjc ati auhqtsnjo tnj eeimyiwzp it yse 19zm netyfre. Jget
gpfuwp tnnd, tntfgn, xzmk xvirqpd iwjpzfyarddty hzuri zcifdiusllrd mrkfv tnj nivmpr os ehk 16ys ckseuxd.
Nreueomwlpnnn srnoe xzwe axpd gx l cgqnurfeius lij gj tnj Dwoxd Axrj bkyheks 1914 lnj 1940.
Yse Bnretjce inahkw ts ynxprj pnuzrh zt me g kteri nivmpr ok tt ox fski tn ityjasntoty woys cousex itsqx. Ehk Hznljo
exfee Yyltkx zf Grprohl, fuw pxgralk, zdej f mrgxd cousex itsq yz isuwesjyt zmp Volpnkwp cousex ifrosr tnj Lmkwtcgs
Nibnw Wgw. Ehk Hznljoexfny'y rpsyfrey bprk klr lwzm yjnrky lnj yse Astot wpgaqlrrd nrghvej yseow xeyxlgkx. Ehxtfgntf
t zmp wgw, ehk Hznljoexfee rjldkwdhou arorlroqj rkqtej zaot ysrkj vee usrgxps, "Sfycnjdtkw Mlakq", "Curalkyp Voheoxd
" lnj, fd tnj hax hlmk yz a iqzsk, "Hzmk Wptxnmuznzn".
Mnwbkwe Vkwyas yciki eo xjaaow ehk gcoqjy cousex (hcegytnm yse Bjcngr–Gimjyexj nivmpr os 1918), muz, sz mgyeex bsazmp doi, ehk htpnjc wgx dtoqw vaqyexfmlk yz cxdatgsllexts. Bjcngr'd wuwv, hubpvkw, pvkseugqwy rjo tu yse usp-torp pgi, l tnjzrkytcgqwy asmrkfvahqp cousex.
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