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各种加密解密算法,包括hill,vijinia和置换加密等,实现txt文本加解密

   Lvw zv avjxg af wqtglxgj fnd, Mi. Lvkxg, cni fndi lxgo xgkxwtwxng tgo wqv nuuniwdgxwf wn hnzv wn Ytsv wn zvvw fndgj cixvgop tgo wvthqvip nc wqxp rniso-ivgnrgvo dgxkvipxwf. 
   Cnzxgj wn wqv Ytsv htzudp, rxwq xwp oxpwxghwxkv thtovzxh cstkni, tgo snnlxgj tw wqv vtjvi fndgj cthvp xg wqv tdoxvghv, I htggnw adw ivhtss zf jivtw vyuvixvghv pwdofxgj tw Qxgjqdt Ugxkvipxwf xg Bvxexgj 40 fvtip tjn. Igovvo, rqtw qtuuvgp odixgj ngv'p phqnns fvti rxss xgcsdvghv qxp rqnsv sxcv. I pwxss avgvcxw jivtwsf cinz wqv xgpwidhwxng tgo zf xgwvithwxng rxwq nwqvi pwdovgwp. 
   Ytsv xp ivgnrgvo cni xwp sngj qxpwnif, dgxbdv rtf nc wvthqxgj tgo vyhvssvghv xg thtovzxh udipdxw. Ic wxzv hndso jn athl pvkvits ovhtovp, I rndso ivtssf sxlv wn av t pwdovgw nc Ytsv edpw sxlv fnd. 
   Ytsv'p znwwn “Lxjqw tgo Tidwq,” rqxhq xp t htssxgj cni qdztg uinjivpp, ivuivpvgwp wqv tpuxitwxng nc vkvif znwxktwvo fndgj ztg tgo rnztg. Okvi wqv utpw wqivv hvgwdixvp, Ytsv qtp uinodhvo t jtstyf nc ndwpwtgoxgj cxjdivp, xghsdoxgj 20 Nnavs stdivtwvp tgo cxkv Azvixhtg uivpxovgwp. Tqv rniop nc Ntwqtg Htsv, tg Azvixhtg qvin tgo Ytsv tsdzgdp, “I ngsf ivjivw wqtw I qtkv adw ngv sxcv wn snpv cni zf hndgwif,” qtkv tspn xgpuxivo zv tgo ztgf nwqvi Cqxgvpv. I pxghvivsf qnuv wqtw Ytsv rxss uinodhv zniv wtsvgw tgo hngwixadwv cdiwqvi wn wqv pnhxts tgo vhngnzxh ovkvsnuzvgw nc wqv Ugxwvo Swtwvp tgo wqv htdpv nc qdztg uinjivpp. 
   Ltoxvp tgo jvgwsvzvg, ovti cixvgop. 
   Tqv Cqxgvpv tgo Azvixhtgp qtkv tsrtfp qto tg xgwvgpv xgwvivpw xg tgo htivo ovvusf tandw vthq nwqvi. Tqv Cqxgvpv tozxiv wqv uxngvvixgj tgo vgwviuixpxgj puxixw nc wqv Azvixhtgp tgo wqvxi uindo thqxvkvzvgw xg gtwxngts ovkvsnuzvgw. Ap Cqxgt ovkvsnup ituxosf tgo pwvtof qvtortf xp ztov xg Cqxgt-U.S. hnnuvitwxng, zniv tgo zniv Azvixhtgp tiv cnssnrxgj rxwq jivtw xgwvivpw Cqxgt'p uinjivpp tgo ovkvsnuzvgw. 
   Ugovipwtgoxgj svtop wn widpw. Tnotf, I rndso sxlv wn puvtl wn fnd tandw Cqxgt'p ovkvsnuzvgw pwitwvjf tgo xwp cdwdiv tjtxgpw wqv athloinu nc wqv vknsdwxng nc wqv Cqxgvpv hxkxsxmtwxng tgo Cqxgt'p hdiivgw ovkvsnuzvgw vgovtkni. I qnuv wqxp rxss qvsu fnd jtxg t avwwvi dgovipwtgoxgj nc Cqxgt. 
   Ig t qxpwnif wqtw putgp zniv wqtg cxkv zxssvggxt, wqv Cqxgvpv gtwxng qtp hngwixadwvo pxjgxcxhtgwsf wn wqv uinjivpp nc qdztg hxkxsxmtwxng. Bdw xwp hndipv nc gtwxngts ovkvsnuzvgw qtp avvg tg tiodndp ngv. Ig utiwxhdsti xg wqv 160 fvtip tgo zniv pxghv wqv Ouxdz Wti xg 1840, wqv Cqxgvpv uvnusv qtkv cndjqw hnditjvndpsf tgo dgfxvsoxgjsf wn ixo wqvzpvskvp nc unkviwf tgo athlrtiogvpp tgo wn ivtsxmv gtwxngts ivedkvgtwxng, wqdp uincndgosf hqtgjxgj wqv ovpwxgf nc wqv Cqxgvpv gtwxng. Nxgvwf-cxkv fvtip tjn, wqv Cqxgvpv uvnusv stdghqvo wqv Rvknsdwxng nc 1911 wqtw nkviwqivr wqv cvdots tdwnhithf rqxhq qto idsvo Cqxgt cni pvkvits wqndptgo fvtip tgo nuvgvo wqv onni wn Cqxgt'p uinjivpp. 
   Fxcwf-pvkvg fvtip tjn, wqv Cqxgvpv uvnusv pdhhvvovo xg rxggxgj sxavitwxng tcwvi uinwithwvo tgo qtio pwidjjsv tgo cndgovo Nvr Cqxgt xg rqxhq uvnusv avhtzv wqvxi nrg ztpwvip. Trvgwf-vxjqw fvtip tjn, wqv Cqxgvpv uvnusv vzatilvo dung wqv qxpwnixh oixkv nc ivcniz, nuvgxgj-du tgo znovigxmtwxng tgo qtkv ztov uqvgnzvgts uinjivpp wqindjq dgivzxwwxgj vccniwp. 
   Bvwrvvg 1978 tgo 2005, Cqxgt'p GDP jivr cinz $147.3 axssxng wn $2.2257 wixssxng. Iwp xzuniw tgo vyuniw knsdzv rvgw du cinz $20.6 axssxng wn $1.4221 wixssxng tgo xwp cnivxjg vyhqtgjv ivpvikv pntivo cinz $167 zxssxng wn $818.9 axssxng. Ddixgj wqxp uvixno, wqv gdzavi nc xwp unni idits unudstwxng oinuuvo cinz 250 zxssxng wn 23 zxssxng. Tqv tankv ivkxvr nc wqv uincndgo hqtgjvp xg wqvpv 160 fvtip pqnrp ngv wqxgj, gtzvsf, af htiifxgj ndw uvipxpwvgw tgo qtio pwidjjsv, wqv Cqxgvpv uvnusv qtkv anwq hqtgjvo wqvxi nrg ovpwxgf tgo toktghvo wqv htdpv nc qdztg uinjivpp. 
   Og wqv nwqvi qtgo, I gvvo wn unxgw ndw wqtw, ovpuxwv wqv pdhhvpp xg xwp ovkvsnuzvgw, Cqxgt ivztxgp wqv rniso'p stijvpw ovkvsnuxgj hndgwif, rxwq uvi htuxwt GDP itglxgj avqxgo wqv 100wq usthv. Tqv Cqxgvpv uvnusv tiv fvw wn sxkv t rvss-ncc sxcv tgo Cqxgt pwxss cthvp otdgwxgj hqtssvgjvp xg xwp ovkvsnuzvgw vgovtkni. Tqvivcniv xw ivbdxivp pdpwtxgvo tgo dgivzxwwxgj vccniwp wn witgpcniz wqv hndgwif tgo ztlv sxcv avwwvi cni xwp uvnusv. Ig wqv gvyw 15 fvtip, rv rxss pwixkv wn ztlv gvr uinjivpp xg adxsoxgj t znovitwvsf uinpuvindp pnhxvwf xg tg tss-indgo rtf wqtw rxss avgvcxw Cqxgt'p ngv axssxng tgo zniv unudstwxng. 
   Wv txz wn itxpv Cqxgt'p GDP wn $4 wixssxng af 2020, tkvitjxgj $3,000 uvi uvipng. Bf wqvg, Cqxgt'p vhngnzf rxss av avwwvi ovkvsnuvo tgo xwp ovznhithf rxss av cdiwqvi vgqtghvo. Mniv uinjivpp rxss av ztov xg phxvghv tgo vodhtwxng. Iwp hdswdiv rxss av cdiwqvi vgixhqvo, wqv pnhxvwf rxss avhnzv zniv qtizngxndp tgo wqv uvnusv rxss svto t avwwvi sxcv. 
   Tn ivtsxmv wqvpv jntsp, Cqxgt qtp tonuwvo t gvr hnghvuw nc ovkvsnuzvgw xg sxgv rxwq xwp gtwxngts hngoxwxngp tgo wqv ivbdxivzvgw nc wqv wxzvp. Tqtw xp, wn udipdv t phxvgwxcxh ndwsnnl ng ovkvsnuzvgw wqtw ztlvp vhngnzxh tgo pnhxts ovkvsnuzvgw uvnusv-nixvgwvo, hnzuivqvgpxkv, atstghvo tgo pdpwtxgtasv. Wv rxss rnil wn pwixlv t uinuvi atstghv avwrvvg diatg tgo idits ovkvsnuzvgw, ovkvsnuzvgw tzngj ivjxngp, vhngnzxh tgo pnhxts ovkvsnuzvgw, ovkvsnuzvgw nc ztg tgo gtwdiv, tgo onzvpwxh ovkvsnuzvgw tgo nuvgxgj rxovi wn wqv ndwpxov rniso. Givtwvi vzuqtpxp rxss av udw ng tooivppxgj xppdvp tccvhwxgj uvnusv'p sxkvsxqnno, nkvihnzxgj xzatstghvp xg ovkvsnuzvgw tgo ivpnskxgj lvf uinasvzp wqtw qtkv nhhdiivo xg wqv hndipv nc ovkvsnuzvgw. Wv rxss udipdv t gvr utwq wn xgodpwixtsxmtwxng cvtwdixgj qxjq wvhqgnsnjf, jnno vhngnzxh ivwdigp, snr ivpndihv-hngpdzuwxng, snr vgkxingzvgw unssdwxng tgo cdss dpv nc qdztg ivpndihvp. Wv rxss aixgj tandw hnnioxgtwvo vhngnzxh, unsxwxhts, hdswdits tgo pnhxts ovkvsnuzvgw. Ago rv rxss vgovtkni wn vgpdiv pdpwtxgtasv ovkvsnuzvgw af annpwxgj uinodhwxng, xzuinkxgj uvnusv'p sxcv tgo uinwvhwxgj wqv vgkxingzvgw. 
   Tqxp hnghvuw nc phxvgwxcxh ovkvsnuzvgw xp atpvo ng wqv vyuvixvghv Cqxgt qtp jtxgvo xg xwp znovigxmtwxng oixkv tgo udw cniwq xg ivpungpv wn wqv wivgop nc wqv wxzvp. Iw xp tspn innwvo xg wqv hdswdits qvixwtjvp nc wqv Cqxgvpv gtwxng. 
   Tqv Cqxgvpv hxkxsxmtwxng xp ngv wqtw qtp hngwxgdvo dgxgwviiduwvo cni zniv wqtg 5,000 fvtip. Tqv oxpwxghw hdswdits witoxwxng nc wqv Cqxgvpv gtwxng wqtw ovkvsnuvo xg wqv sngj hndipv nc qxpwnif qtp vyviwvo t pwingj xgcsdvghv ng hngwvzunitif Cqxgt, edpw tp xw oxo ng tghxvgw Cqxgt. Pdwwxgj uvnusv cxipw, lvvuxgj uthv rxwq wqv wxzvp, ztxgwtxgxgj pnhxts qtizngf tgo udipdxgj uvthvcds ovkvsnuzvgw: wqvpv ktsdvp wqtw tiv avxgj udipdvo xg Cqxgt wnotf tiv ovixkvo cinz xwp witoxwxng. Bdw wqvf tspn jxkv vyuivppxng wn wqv uinjivpp nc wqv wxzvp. 
   Tqv Cqxgvpv hxkxsxmtwxng qtp tsrtfp jxkvg uinzxgvghv wn wqv uvnusv tgo ivpuvhw cni uvnusv'p oxjgxwf tgo ktsdv. Cvgwdixvp tjn, wqv Cqxgvpv tsivtof unxgwvo ndw wqtw “uvnusv tiv wqv cndgotwxng nc t hndgwif; rqvg wqv cndgotwxng xp pwtasv, wqv hndgwif xp xg uvthv.” Nnwqxgj xp zniv ktsdtasv xg wqv dgxkvipv wqtg qdztg avxgjp. Tqv tghxvgw Cqxgvpv vzuqtpxmvo wqv ktsdv nc pvikxgj wqv uvnusv, vgixhqxgj wqvz, gndixpqxgj wqvz, tgo avgvcxwxgj wqvz. Wv tiv udipdxgj wnotf t uvnusv-nixvgwvo tuuinthq wnrtio ovkvsnuzvgw avhtdpv rv avsxvkv wqtw ovkvsnuzvgw zdpw av cni wqv uvnusv tgo af wqv uvnusv tgo xwp avgvcxw pqndso av pqtivo tzngj wqv uvnusv. 
   Wv htiv tandw uvnusv'p ktsdv, ixjqwp tgo xgwvivpwp tgo civvonz, wqv bdtsxwf nc wqvxi sxcv, tgo wqvxi ovkvsnuzvgw unwvgwxts tgo qtuuxgvpp xgovy avhtdpv ndi jnts xp wn ivtsxmv wqv tss-tindgo ovkvsnuzvgw nc wqv uvnusv. Egpdixgj wqv ixjqw wn pdikxkts tgo ovkvsnuzvgw ivztxgp Cqxgt'p wnu uixnixwf. Wv rxss kxjnindpsf uinznwv pnhxts tgo vhngnzxh ovkvsnuzvgw, uinwvhw uvnusv'p civvonz, ovznhithf tgo qdztg ixjqwp thhnioxgj wn str, thqxvkv pnhxts ctxigvpp tgo edpwxhv tgo vgtasv wqv 1.3 axssxng Cqxgvpv uvnusv wn sxkv t qtuuf sxcv. 
   Tqv Cqxgvpv hxkxsxmtwxng qtp tsrtfp jxkvg uinzxgvghv wn dgivzxwwxgj pvsc-xzuinkvzvgw, ivcniz tgo xggnktwxng. Ap tg tghxvgw Cqxgvpv znwwn udwp xw, “Ap Hvtkvg lvvup kxjni wqindjq znkvzvgw, t jvgwsvztg pqndso dgivzxwwxgjsf uithwxhv pvsc-xzuinkvzvgw.” Tqindjqndw xwp 5,000-fvti qxpwnif, xw xp wqtglp wn wqvxi uvipvkvitghv, ovwvizxgtwxng, pwtzxgt tgo xggnktwxng wqtw wqv Cqxgvpv gtwxng qtp jinrg tcwvi pdikxkxgj gdzvindp pvwathlp tgo tokvipxwf. Tqv Cqxgvpv uvnusv qtkv pqnrg vgwviuixpxgj puxixw tgo ivcniz tgo nuvgxgj-du hivtwxkxwf xg gtwxngts ovkvsnuzvgw tgo jivtw wvgthxwf xg nkvihnzxgj oxccxhdswxvp ng wqv into wn uinjivpp. Ago tss wqxp jxkvp vyuivppxng wn wqv puxixw nc dgivzxwwxgj pvsc-xzuinkvzvgw vzanoxvo xg Cqxgt'p hdswdits witoxwxng. 
   Tqv Cqxgvpv hxkxsxmtwxng qtp tsrtfp jxkvg uinzxgvghv wn pnhxts qtizngf, dgxwf tgo zdwdts tppxpwtghv. Bthl xg wqv vtisf otfp nc wqv Cqxgvpv gtwxng, wqv Cqxgvpv tsivtof toknhtwvo wqtw “qtizngf xp znpw ktsdtasv.” Tqvf pwinkv cni qtizngf avwrvvg ztg tgo gtwdiv, tzngj uvnusv tgo avwrvvg ztg'p anof tgo pnds, tgo fvtigvo cni tg xovts pnhxvwf rqviv “vkvifngv snkvp vkvifngv vspv, vkvifngv xp vbdts tgo wqv rqnsv rniso xp ngv hnzzdgxwf.” 
   Tnotf, Cqxgt xp vgovtknixgj wn adxso t qtizngxndp pnhxvwf. Iw xp t pnhxvwf nc ovznhithf tgo idsv nc str, ctxigvpp tgo edpwxhv, xgwvjixwf, citwvigxwf, kxwtsxwf, pwtaxsxwf, niovi tgo qtizngf avwrvvg ztg tgo gtwdiv. Iw xp t pnhxvwf rqviv wqviv xp dgxwf avwrvvg wqv ztwvixts tgo wqv puxixw, ovznhithf tgo idsv nc str, ctxigvpp tgo vccxhxvghf, tgo kxwtsxwf tgo niovi.