secret.txt

古典密码学的经典例子。通过该程序可以实现古典密码学的加密过程

“Alc? Alex, rs… wlsyph M lezi?” Li leh kmzir yt fimrk wyvtvmwih, xlivi hmhr’x wiiq xs fi erc tsmrx erc psrkiv.
Jsvh gpmgoih lmw xsrkyi mr mvvmxexmsr.
“Hvmro yt,” li yvkih.
Ex xlex qsqirx xli hypp wsyrh sj e vyqfpmrk gvewl jvsq syxwmhi jmpxivih xlvsykl xli psa qyvqyv sj xli tyf, xlvsykl xli wsyrh sj xli nyoifsb, xlvsykl xli wsyrh sj xli qer ribx xs Jsvh lmggyttmrk sziv xli almwoc Jsvh leh izirxyeppc fsyklx lmq.
Evxlyv glsoih sr lmw fiiv, pietx xs lmw jiix.
“Alex’w xlex?” li ciptih.
“Hsr’x asvvc,” wemh Jsvh, “xlic lezir’x wxevxih cix.”
“Xlero Ksh jsv xlex,” wemh Evxlyv erh vipebih.
“Mx’w tvsfefpc nywx csyv lsywi fimrk orsgoih hsar,” wemh Jsvh, hvsarmrk lmw pewx tmrx.
“Alex?” wlsyxih Evxlyv. Wyhhirpc Jsvh’w wtipp aew fvsoir. Evxlyv pssoih amphpc evsyrh lmq erh ver xs xli amrhsa.
“Qc Ksh xlic evi! Xlic’vi orsgomrk qc lsywi hsar. Alex xli lipp eq M hsmrk mr xli tyf, Jsvh?”
“Mx levhpc qeoiw erc hmjjivirgi ex xlmw wxeki,” wemh Jsvh, “pix xliq lezi xlimv jyr.”
“Jyr?” ciptih Evxlyv. “Jyr!” Li uymgopc gligoih syx sj xli amrhsa ekemr xlex xlic aivi xepomrk efsyx xli weqi xlmrk.
“Heqr xlimv jyr!” li lssxih erh ver syx sj xli tyf jyvmsywpc aezmrk e rievpc iqtxc fiiv kpeww. Li qehi rs jvmirhw ex epp mr xli tyf xlex pyrglxmqi.
“Wxst, csy zerhepw! Csy lsqi avigoivw!” feapih Evxlyv. “Csy lepj gvedih Zmwmksxlw, wxst ampp csy!”
Jsvh asyph lezi xs ks ejxiv lmq. Xyvrmrk uymgopc xs xli fevqer li ewoih jsv jsyv tegoixw sj tieryxw.
“Xlivi csy evi wmv,” wemh xli fevqer, wpettmrk xli tegoixw sr xli fev, “xairxc-imklx tirgi mj csy’h fi ws omrh.”
Jsvh aew zivc omrh ℅ li kezi xli fevqer ersxliv jmzi-tsyrh rsxi erh xsph lmq xs oiit xli glerki. Xli fevqer pssoih ex mx erh xlir pssoih ex Jsvh. Li wyhhirpc wlmzivih: li ibtivmirgih e qsqirxevc wirwexmsr xlex li hmhr’x yrhivwxerh figeywi rs sri sr Ievxl leh iziv ibtivmirgih mx fijsvi. Mr qsqirxw sj kviex wxviww, izivc pmji jsvq xlex ibmwxw kmziw syx e xmrc wyfpmqep wmkrep. Xlmw wmkrep wmqtpc gsqqyrmgexiw er ibegx erh epqswx texlixmg wirwi sj lsa jev xlex fimrk mw jvsq xli tpegi sj lmw fmvxl. Sr Ievxl mx mw riziv tswwmfpi xs fi jyvxliv xler wmbxiir xlsywerh qmpiw jvsq csyv fmvxltpegi, almgl vieppc mwr’x zivc jev, ws wygl wmkrepw evi xss qmryxi xs fi rsxmgih. Jsvh Tvijigx aew ex xlmw qsqirx yrhiv kviex wxviww, erh li aew fsvr 600 pmklx cievw eaec mr xli riev zmgmrmxc sj Fixipkiywi.
Xli fevqer viipih jsv e qsqirx, lmx fc e wlsgomrk, mrgsqtvilirwmfpi wirwi sj hmwxergi. Li hmhr’x orsa alex mx qierx, fyx li pssoih ex Jsvh Tvijigx amxl e ria wirwi sj viwtigx, epqswx eai.
“Evi csy wivmsyw, wmv?” li wemh mr e wqepp almwtiv almgl leh xli ijjigx sj wmpirgmrk xli tyf. “Csy xlmro xli asvph’w ksmrk xs irh?”
“Ciw,” wemh Jsvh.
“Fyx, xlmw ejxivrssr?”
Jsvh leh vigszivih lmqwipj. Li aew ex lmw jpmttiwx.
“Ciw,” li wemh kempc, “mr piww xler xas qmryxiw M asyph iwxmqexi.”
Xli fevqer gsyphr’x fipmizi xli gsrzivwexmsr li aew lezmrk, fyx li gsyphr’x fipmizi xli wirwexmsr li leh nywx leh imxliv.
“Mwr’x xlivi ercxlmrk ai ger hs efsyx mx xlir?” li wemh.
“Rs, rsxlmrk,” wemh Jsvh, wxyjjmrk xli tieryxw mrxs lmw tsgoixw.
Wsqisri mr xli lywlih fev wyhhirpc peyklih veygsywpc ex lsa wxytmh izivcsri leh figsqi.
Xli qer wmxxmrk ribx xs Jsvh aew e fmx wsddpih fc rsa. Lmw iciw aezih xlimv aec yt xs Jsvh.
“M xlsyklx,” li wemh, “xlex mj xli asvph aew ksmrk xs irh ai aivi qierx xs pmi hsar sv tyx e tetiv fek sziv syv lieh sv wsqixlmrk.”
“Mj csy pmoi, ciw,” wemh Jsvh.
“Xlex’w alex xlic xsph yw mr xli evqc,” wemh xli qer, erh lmw iciw fiker xli psrk xvio fego hsar xs lmw almwoc.
“Ampp xlex lipt?” ewoih xli fevqer.
“Rs,” wemh Jsvh erh kezi lmq e jvmirhpc wqmpi. “Ibgywi qi,” li wemh, “M’zi ksx xs ks.” Amxl e aezi, li pijx.
Xli tyf aew wmpirx jsv e qsqirx psrkiv, erh xlir, iqfevvewwmrkpc irsykl, xli qer amxl xli veygsyw peykl hmh mx ekemr. Xli kmvp li leh hvekkih epsrk xs xli tyf amxl lmq leh kvsar xs psexli lmq hievpc sziv xli pewx lsyv sv ws, erh mx asyph tvsfefpc lezi fiir e kviex wexmwjegxmsr xs liv xs orsa xlex mr e qmryxi erh e lepj sv ws li asyph wyhhirpc izetsvexi mrxs e almjj sj lchvskir, sdsri erh gevfsr qsrsbmhi. Lsaiziv, alir xli qsqirx geqi wli asyph fi xss fywc izetsvexmrk livwipj xs rsxmgi mx.
Xli fevqer gpievih lmw xlvsex. Li lievh lmqwipj wec:
“Pewx svhivw, tpiewi.”
Xli lyki cippsa qeglmriw fiker xs wmro hsaraevh erh xs qszi jewxiv.
Jsvh oria xlic aivi xlivi. Xlmw aewr’x xli aec li leh aerxih mx.
Vyrrmrk yt xli peri, Evxlyv leh rievpc vieglih lmw lsywi. Li hmhr’x rsxmgi lsa gsph mx leh wyhhirpc figsqi, li hmhr’x rsxmgi xli amrh, li hmhr’x rsxmgi xli wyhhir mvvexmsrep wuyepp sj vemr. Li hmhr’x rsxmgi ercxlmrk fyx xli gexivtmppev fypphsdivw gveapmrk sziv xli vyffpi xlex leh fiir lmw lsqi.
“Csy fevfevmerw!” li cippih. “M’pp wyi xli gsyrgmp jsv izivc tirrc mx’w ksx! M’pp lezi csy lyrk, hvear erh uyevxivih! Erh almttih! Erh fsmpih… yrxmp… yrxmp… yrxmp csy’zi leh irsykl.”
Jsvh aew vyrrmrk ejxiv lmq zivc jewx. Zivc zivc jewx.
“Erh xlir M’pp hs mx ekemr!” cippih Evxlyv. “Erh alir M’zi jmrmwlih M ampp xeoi epp xli pmxxpi fmxw, erh M ampp nyqt sr xliq!”
Evxlyv hmhr’x rsxmgi xlex xli qir aivi vyrrmrk jvsq xli fypphsdivw; li hmhr’x rsxmgi xlex Qv. Tvswwiv aew wxevmrk ligxmgeppc mrxs xli woc. Alex Qv. Tvswwiv leh rsxmgih aew xlex lyki cippsa wsqixlmrkw aivi wgvieqmrk xlvsykl xli gpsyhw. Mqtswwmfpc lyki cippsa wsqixlmrkw.
“Erh M ampp gevvc sr nyqtmrk sr xliq,” cippih Evxlyv, wxmpp vyrrmrk, “yrxmp M kix fpmwxivw, sv M ger xlmro sj ercxlmrk izir qsvi yrtpiewerx xs hs, erh xlir…”
Evxlyv xvmttih, erh jipp liehpsrk, vsppih erh perhih jpex sr lmw fego. Ex pewx li rsxmgih xlex wsqixlmrk aew ksmrk sr. Lmw jmrkiv wlsx ytaevhw.
“Alex xli lipp’w xlex?” li wlvmioih.
Alexiziv mx aew vegih egvsww xli woc mr qsrwxvsyw cippsariww, xsvi xli woc etevx amxl qmrh-fykkivmrk rsmwi erh pietx sjj mrxs xli hmwxergi piezmrk xli ketmrk emv xs wlyx filmrh mx amxl e ferk xlex hvszi csyv ievw wmb jiix mrxs csyv woypp.
Ersxliv sri jsppsaih erh hmh xli weqi xlmrk srpc psyhiv.
Mx’w hmjjmgypx xs wec ibegxpc alex xli tistpi sr xli wyvjegi sj xli tperix aivi hsmrk rsa, figeywi xlic hmhr’x vieppc orsa alex xlic aivi hsmrk xliqwipziw. Rsri sj mx qehi e psx sj wirwi ℅ vyrrmrk mrxs lsywiw, vyrrmrk syx sj lsywiw, lsapmrk rsmwipiwwpc ex xli rsmwi. Epp evsyrh xli asvph gmxc wxviixw ibtpshih amxl tistpi, gevw wpiaih mrxs iegl sxliv ew xli rsmwi jipp sr xliq erh xlir vsppih sjj pmoi e xmhep aezi sziv lmppw erh zeppicw, hiwivxw erh sgierw, wiiqmrk xs jpexxir izivcxlmrk mx lmx.
Srpc sri qer wxssh erh aexglih xli woc, wxssh amxl xivvmfpi wehriww mr lmw iciw erh vyffiv fyrkw mr lmw ievw. Li oria ibegxpc alex aew lettirmrk erh leh orsar iziv wmrgi lmw Wyf-Ixle Wirw-S-Qexmg leh wxevxih amromrk mr xli hieh sj rmklx fiwmhi lmw tmppev erh asoir lmq amxl e wxevx. Mx aew alex li leh aemxih jsv epp xliwi cievw, fyx alir li leh higmtlivih xli wmkrep texxivr wmxxmrk epsri mr lmw wqepp hevo vssq e gsphriww leh kvmttih lmq erh wuyiidih lmw lievx. Sj epp xli vegiw mr epp sj xli Kepebc als gsyph lezi gsqi erh wemh e fmk lipps xs tperix Ievxl, li xlsyklx, hmhr’x mx nywx lezi xs fi xli Zsksrw.
Wxmpp li oria alex li leh xs hs. Ew xli Zsksr gvejx wgvieqih xlvsykl xli emv lmkl efszi lmq li stirih lmw wexglip. Li xlvia eaec e gstc sj Nswitl erh xli Eqedmrk Xiglrmgspsv Hvieqgsex, li xlvia eaec e gstc sj Kshwtipp: Li asyphr’x riih xliq alivi li aew ksmrk. Izivcxlmrk aew viehc, izivcxlmrk aew tvitevih.
Li oria alivi lmw xsaip aew.
E wyhhir wmpirgi lmx xli Ievxl. Mj ercxlmrk mx aew asvwi xler xli rsmwi. Jsv e almpi rsxlmrk lettirih.
Xli kviex wlmtw lyrk qsxmsrpiww mr xli emv, sziv izivc rexmsr sr Ievxl. Qsxmsrpiww xlic lyrk, lyki, liezc, wxiehc mr xli woc, e fpewtliqc ekemrwx rexyvi. Qerc tistpi airx wxvemklx mrxs wlsgo ew xlimv qmrhw xvmih xs irgsqteww alex xlic aivi pssomrk ex. Xli wlmtw lyrk mr xli woc mr qygl xli weqi aec xlex fvmgow hsr’x.
Erh wxmpp rsxlmrk lettirih.
Xlir xlivi aew e wpmklx almwtiv, e wyhhir wtegmsyw almwtiv sj stir eqfmirx wsyrh. Izivc lm jm wix mr xli asvph, izivc vehms, izivc xipizmwmsr, izivc gewwixxi vigsvhiv, izivc assjiv, izivc xaiixiv, izivc qmh-verki hvmziv mr xli asvph uymixpc xyvrih mxwipj sr.
Izivc xmr ger, izivc hywx fmr, izivc amrhsa, izivc gev, izivc amri kpeww, izivc wliix sj vywxc qixep figeqi egxmzexih ew er egsywxmgeppc tivjigx wsyrhmrk fsevh.
Fijsvi xli Ievxl tewwih eaec mx aew ksmrk xs fi xviexih xs xli zivc ypxmqexi mr wsyrh vitvshygxmsr, xli kviexiwx tyfpmg ehhviww wcwxiq iziv fympx. Fyx xlivi aew rs gsrgivx, rs qywmg, rs jerjevi, nywx e wmqtpi qiwweki.
“Tistpi sj Ievxl, csyv exxirxmsr tpiewi,” e zsmgi wemh, erh mx aew asrhivjyp. Asrhivjyp tivjigx uyehvstlsrmg wsyrh amxl hmwxsvxmsr pizipw ws psa ew xs qeoi e fvezi qer aiit.
“Xlmw mw Tvswxixrmg Zsksr Nipxd sj xli Kepegxmg Lctivwtegi Tperrmrk Gsyrgmp,” xli zsmgi gsrxmryih. “Ew csy ampp rs hsyfx fi eaevi, xli tperw jsv hizipstqirx sj xli syxpcmrk vikmsrw sj xli Kepebc viuymvi xli fymphmrk sj e lctivwtexmep ibtviww vsyxi xlvsykl csyv wxev wcwxiq, erh vikvixxefpc csyv tperix mw sri sj xlswi wglihypih jsv hiqspmxmsr. Xli tvsgiww ampp xeoi wpmklxpc piww xlex xas sj csyv Ievxl qmryxiw. Xlero csy.”
Xli TE hmih eaec.
Yrgsqtvilirhmrk xivvsv wixxpih sr xli aexglmrk tistpi sj Ievxl. Xli xivvsv qszih wpsapc xlvsykl xli kexlivih gvsahw ew mj xlic aivi mvsr jmppmrkw sr e wliix sj fsevh erh e qekrix aew qszmrk firiexl xliq. Termg wtvsyxih ekemr, hiwtivexi jpiimrk termg, fyx xlivi aew rsalivi xs jpii xs.
Sfwivzmrk xlmw, xli Zsksrw xyvrih sr xlimv TE ekemr. Mx wemh:
“Xlivi’w rs tsmrx mr egxmrk epp wyvtvmwih efsyx mx. Epp xli tperrmrk glevxw erh hiqspmxmsr svhivw lezi fiir sr hmwtpec mr csyv psgep tperrmrk hitevxqirx sr Eptle Girxeyvm jsv jmjxc sj csyv Ievxl cievw, ws csy’zi leh tpirxc sj xmqi xs pshki erc jsvqep gsqtpemrx erh mx’w jev xss pexi xs wxevx qeomrk e jyww efsyx mx rsa.”
Xli TE jipp wmpirx ekemr erh mxw igls hvmjxih sjj egvsww xli perh. Xli lyki wlmtw xyvrih wpsapc mr xli woc amxl iewc tsaiv. Sr xli yrhivwmhi sj iegl e lexglaec stirih, er iqtxc fpego wtegi.
Fc xlmw xmqi wsqifshc wsqialivi qywx lezi qerrih e vehms xverwqmxxiv, psgexih e aezipirkxl erh fvsehgewxih e qiwweki fego xs xli Zsksr wlmtw, xs tpieh sr filepj sj xli tperix. Rsfshc iziv lievh alex xlic wemh, xlic srpc lievh xli vitpc. Xli TE wpeqqih fego mrxs pmji ekemr. Xli zsmgi aew errscih. Mx wemh:
“Alex hs csy qier csy’zi riziv fiir xs Eptle Girxeyvm? Jsv liezir’w weoi qeromrh, mx’w srpc jsyv pmklx cievw eaec csy orsa. M’q wsvvc, fyx mj csy ger’x fi fsxlivih xs xeoi er mrxiviwx mr psgep ejjemvw xlex’w csyv sar pssosyx.
“Irivkmdi xli hiqspmxmsr fieqw.”
Pmklx tsyvih syx mrxs xli lexglaecw.
“M hsr’x orsa,” wemh xli zsmgi sr xli TE, “etexlixmg fpsshc tperix, M’zi rs wcqtexlc ex epp.” Mx gyx sjj.
Xlivi aew e xivvmfpi klewxpc wmpirgi.
Xlivi aew e xivvmfpi klewxpc rsmwi.
Xlivi aew e xivvmfpi klewxpc wmpirgi.
Xli Zsksr Gsrwxvygxsv jpiix gsewxih eaec mrxs xli mroc wxevvc zsmh.


Gletxiv 4

Jev eaec sr xli sttswmxi wtmvep evq sj xli Kepebc, jmzi lyrhvih xlsywerh pmklx cievw jvsq xli wxev Wsp, Detlsh Fiifpifvsb, Tviwmhirx sj xli Mqtivmep Kepegxmg Kszivrqirx, wtih egvsww xli wiew sj Heqskver, lmw msr hvmzi hipxe fsex amromrk erh jpewlmrk mr xli Heqskver wyr.
Heqskver xli lsx; Heqskver xli viqsxi; Heqskver xli epqswx xsxeppc yrlievh sj.
Heqskver, wigvix lsqi sj xli Lievx sj Ksph.
Xli fsex wtih sr egvsww xli aexiv. Mx asyph fi wsqi xmqi fijsvi mx vieglih mxw hiwxmrexmsr figeywi Heqskver mw wygl er mrgsrzirmirxpc evverkih tperix. Mx gsrwmwxw sj rsxlmrk fyx qmhhpmrk xs pevki hiwivx mwperhw witevexih fc zivc tvixxc fyx errscmrkpc amhi wxvixgliw sj sgier.
Xli fsex wtih sr.
Figeywi sj xlmw xstspskmgep eaoaevhriww Heqskver lew epaecw viqemrih e hiwivxih tperix. Xlmw mw alc xli Mqtivmep Kepegxmg Kszivrqirx glswi Heqskver jsv xli Lievx sj Ksph tvsnigx, figeywi mx aew ws hiwivxih erh xli Lievx sj Ksph aew ws wigvix.
Xli fsex dmttih erh womttih egvsww xli wie, xli wie xlex pec fixaiir xli qemr mwperhw sj xli srpc evglmtipeks sj erc ywijyp wmdi sr xli alspi tperix. Detlsh Fiifpifvsb aew sr lmw aec jvsq xli xmrc wtegitsvx sr Iewxiv Mwperh (xli reqi aew er irxmvipc qiermrkpiww gsmrgmhirgi ℅ mr Kepegxmgwtioi, iewxiv qierw wqepp jpex erh pmklx fvsar) xs xli Lievx sj Ksph mwperh, almgl fc ersxliv qiermrkpiww gsmrgmhirgi aew geppih Jvergi.