公开密钥体系中英文翻译.docx
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公开密钥体系中英文翻译.docx
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公开密钥体系中英文翻译
英文翻译
Publiclyairtightkeysystem
Thepubliclyairtightkeypasswordsystemisthemostimportanttheinventionandtheprogressthatthemodernpasswordlearn.Generalcomprehendapasswordtolearn(Cryptography)bethesecretthatprotectsaninformationtodeliver.Butthisisanaspectthatthepasswordlearnstopicnowadaysonly.Sendoutandreceivetheverificationof[with]theperson'strueidentitytotheinformation,tosendout/receiveaninformationandcan'tdenyintheaftertheeventandtheintegrityoftheguaranteedataisamodernpasswordtolearntopicontheotherhand.Problemsofthepubliclyairtightkeypasswordsystemtothisbothsideallgiveoutstandingsolution,andiscontinuetoproducemanynewthoughtsandproject.Encryptanairtightkeytodifferfromtodecryptanairtightkeyinthemalekeysystem.PeoplewillencryptairtightkeyMr.ofinmany,whocanuse;Butdecryptanairtightkeytodecryptapersononlybyhimself[herself]toknow.Uptothepresentofinallmalekeypasswordsystems,usagemostthemostextensiveakind.
Putforwardthepublicandairtightkeypasswordsystemin1976,itsprincipleencryptedanairtightkeytoreachagreementairtightkeyseparation.So,aconcretecustomercanencryptwhatoneselfdesigntheairtightkeyandthecalculatewayMr.isvariousinmany,butkeepsecrettodecryptanairtightkey.Anyonemakesuseofthistoencrypttheairtightkeyandcalculatewaytowardthatcustomertosendoutofencryptaninformation,thatcustomerallcanrestoreit.Theadvantageofthepublicandairtightkeypasswordistodon'tneedtowasdeliverbysafeoutletairtightkey,simplifiedanairtightkeymanagementconsumedly.Itscalculatewaysometimesalsoiscalledthepubliclyairtightkeycalculatewayorbriefnameasmalekeycalculateways.Putforwardtheconcreteimplementprojectofthepublicandairtightkeypasswordin1978,namelyRSAproject.TheDSAcalculatewaythatputforwardin1991isalsoakindofpublicandairtightkeycalculateway,thereisbiggerapplicationadvantageinthenumericalsignature.
Airtightkeyisbecomerightinaccordingtothesafesystemofthemalekeysystembornof,eachisconstitutebyamalekeyandaprivatekeytoairtightkeys.Inphysicallyappliedly,privatekeyfromownanoneselfconservancy,butthemalekeythenneedtobeannounceinmany.Formakingtocanapplyextensivelyaccordingtothebusiness(ifelectroniccommerceetc.)ofthemalekeysystem,theproblemofafoundationkeyisamalekeytodistributewiththemanagement.Themalekeyhasnomarking,onlyfromthemalekeycan'tdistinguishthehostofthemalekeyiswho.Inthepimpingscope,forexampletheANandBsuchtwopeopleissmallcollective,theyittrustsmutually,exchangingamalekey,ontheInternetcommunication,havenoproblem.Thisiscollectiveagainslightlyalittlebitbig,perhapseachothertrustalsonotaproblem,butspeaksfromthelawanglethiskindoftrustalsohasproblems.Suchasagainalittlebitbig,contactinghost'snameofthemalekeyandmalekeytogether,askingagainaneveryonetocanbelievetohaveprestigeoffair,theauthorityorganizationconfirm,andplusthesignatureofthisauthorityorganization.Thisbecameacertificate.Thereisthesigningoftheauthorityorganizationonthecertificate,soeveryonethinksthecontentsofthecertificateinthebookistrusty;Againbecausethereisthehost'snameonthecertificateetc.theidentityinformation,theotherpeopleveryeasilyknowwhothehostofthemalekeyare.Theauthorityorganizationthatmentionsbeforeistheelectronicsvisaorganization.(namelyCA)TheCAalsoownsacertificate(containamalekey),certainly,italsohasanownprivatekey,soithastheabilityofthesigning.ThepubliccustomerofthenetpassesasigningofverifytheCAtotrustCAthus,anyoneshouldbeabletogetaCAcertificate(containamalekey),verifyingitsthecertificatecountersigninorderto.
Ifacustomerwantstodiscriminateanothercertificateoftruefalse,heusesaCAmalekeytocarryonaverification(suchasfrontsay,theCAsigningactuallyisthroughCAtheprivatekeyencryptofinformation,theprocessof[with]thesigningverificationstillaccompanieswithamalekeyoftheusageCAtodecryptofprocess)tothesigningofthatcertificateinthebook,oncetheverificationpass,thatcertificateisthinktobevalid.CAinadditiontocountersigningacertificate,oneofitsimportantfunctionisacertificatewiththemanagementoftheairtightkey.
Beshowedfromthis,thecertificateisacustomerispersonalIDcardattheelectronicsonthenet,useinthedailylifetogetherofpersonalIDcardfunctionissimilar.CAequaltoon-linepolicedepartment,issueexclusively,theverificationIDcard.Thesafefoundationofmostpasswordcalculatewaysisaccordingtosomemathematicshardnuttocracks,thesehardnuttocracktheexpertsthinkintheshortdatetobeimpossiblysolve.Becausesomeproblems(ifthefactorresolvesaproblem)havealreadybeenuptonowforseveralthousandyears.TheRSAsafetydependsontoresolve,butdenytoequalinthebignumberbignumberthedecompositionhasbeencannotgettoprovetheoretically,alsodonotprovetobreakadifficultyoftranslatetheRSAfromthetheorieswithbignumberresolvedifficultyetc.price.BecausehavenocertificatetocrackRSAtocertainlyneedtomakebignumberdecomposition.Supposetoexistakindofcalculatewaythatneedsnottoresolveabignumber,thatitsaffirmationcanmodifytobecomeabignumbertoresolvecalculateway.ThentheRSAimportantblemishistocan'tholdittokeepsecretfromthetheorieshowfunctionis,andthepasswordeducationalcirclesmostpersonagesinclinetowardthefactordecompositionisn'taNPCproblem.
Currently,RSAsomemutationcalculatewayshavealreadybeenproveetc.thepriceresolvesinthebignumber.Aught,resolvethenattackstonesamethodmostobviously.Now,peoplehavealreadycanresolvemorethan140stenenterbigprimenumberofmake.Therefore,moldthefewnshavetochoosebigandsome,settlebecauseofconcretelyapplyingacircumstance.
TheRSAcalculatewaykeepssecretstrength,thelengthincrementofthetherewithairtightkeybutstrengthen.But,theairtightkeyismorelong,itaddstodecrypttimeconsumealsomorelong.Therefore,thesensitivedegreeandaggressorthatwanttobeaccordingtotheinformationprotectcrackwanttospendofthepricevalueisunworthytosynthesizetoconsiderdecisionwithreactiontimerequestbysystem.Itismoresuchtothebusinessinformationrealmparticularly.
Thepubliclyairtightkeypasswordsystemcomparedwiththesymmetryandairtightkeypasswordsystemreallyhaveitnotcommutableadvantage,butitsamountofoperationbefarlargerthanthelatter,morethanseveralhundredfolds,several100000%evenaroundtenthousandtimes,complicationshavetobemany.
Alldeliveraconfidentialinformationwiththepubliclyairtightkeypasswordsystemonthenetwork,havenonecessity,isalsonotrealistic.Havealreadyusedthesymmetryandairtightkeypasswordsysteminthecalculatorsystemformanyyears,currentmoresimpleanddependableof,longmethodthatpassthroughtest,suchastakeDES(thedataencryptstandard)astherepresentative'scentpiecetoencryptcalculateway(anditsenlargementDESXandTripleDES);alsohavesomenewmethodstoannounce,suchasisdevelopbytheRivestoftheRSAcompanyofhavecalculatewayRC2,RC4,RC5etc.sesparticularly,amongthemtheRC2andRC5isthepiecesencryptcalculatewayseparately,theRC4isadatatoflowtoencryptcalculateway.
Bedeliveringthenetworkcustomerofconfidentialinformationbothparties,ifuseacertainandsymmetryandairtightkeypasswordsystem(forexampleDES),usetheRSAdissymmetryairtightkeypasswordsysteminthemeantimetodeliveraDESairtightkey,canbecomprehensivetodeveloptwokindsofadvantagesofpasswordsystems,namelytheDEShigh-speedsimpleandRSAtheairtightkeymanageoftheconvenienceandthesafety.
TheRSAcalculatewayhasalreadycannedapplyextensivelyinmanywaysinoftheInternet,includinginthesafetytoconnecttheapplicationofapeople'slayer(SSL)standard(shouldbestandardistheInternetconjunctionofthenetworkbrowserestablishmentsafetyhavetouseof)aspect.EncryptsystemtohaveadatatoencryptaccordingtothemalekeyoftheRSAcalculateway,thenumeralsignature(DigitalSignature),theinformationsourceidentifyandtheairtightkeyexchangeetc.function.Currently,theRSAencryptssystemtobemainlymoreappliedthanasafeproductoftheintelligenceICcardandnetwork.ThereasonthatchoosestoencryptmaincalculatewayofsystemwiththepublickeyoftheRSAcalculatewayconductandactionsisthecalculatewaysafetygood.AtthemoldNenoughlongtime,thereisaprimenumberthatthesizenearstointheNineachintegral.Atthemoldislongisa1024bits,canthinktheRSApasswordsystemcanchooseairtightkeypieceenoughmany,cangetrandom,theairtightkeyofthesafetyto.Thepublickeyencryptssystemtousedforthedistributetypecalculationenvironmentmore,theairtightkeyallotmentandmanagementareeasytoarealization,thepartattackstonehardbringthreattothewholesafetiesofsystemses.Haven'tyetoffendsofarexampleofbreakthephysicallyappliedsystem.TheRSAcalculatewayappliedforpatentintheUnitedStates,buthadnopatentinothernations.TheAmericanpatenthasalreadyexpiredonSeptember20thin2000.AmericanSeptember6thatlocaltime,publicandairtightkeysystemintheUnitedStatesthesafecompany(theRSAalsocallssafelimitedcompanyofdata)decidestowaiverightspu
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