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1、P.H.ROBERTSandR.N.ZOBEL:ADISCUSSIONOFELLIPCTICCURVEADISCUSSIONOFELLIPTICCURVECRYPTOGRAPHYANDCONFIGURABLEECCSYSTEMDESIGNWITHAPPLICATIONTODISTRIBUTEDSIMULATIONP.H.ROBERTSandR.N.ZOBELDepartmentofComputerScienceUniversityofManchesterOxfordRoadManchesterM139PLAbstract:Distribu
2、tedsimulation,outsideofthemilitaryarea,necessarilyoperatesovertheinternet,whichimpliestheriskofmanyformsofattack.Currentsecuritysystemsofferlimitedprotectionbecauseofthecostandcomplexityofusingsufficientkeylengthsinexistingpublickeyencryptionschemes.TheuseoftheDiscreteLog
3、arithmProblemoverellipticcurvesdefinedoverfinitefieldsasabasisfortrap-doorbasedpublickeyencryption(ECC)appearstoofferimprovedperformancewithlowercostintermsofprocessorspeed,memoryrequirementandprocessingtime.ThispaperprovidesanoutlineofECCandthecomplexitiesofapracticalimp
4、lementationofthetechnology.SomeissuesregardingchoiceofECparameters,security,interoperabilityandperformancearediscussed.AproposalismadeforaconfigurableECCsystemarchitectureandthehigh-leveldesignofatoolkittoenablethedevelopmentofECCsystemsisdiscussed.ECCcryptographicsystems
5、maybeconsideredparticularlysuitableforsupportingdistributedinteractivesimulation,withitsstringenttimingrequirementsandparticularsecurityproblems,withadditionalreferencetomobilesystems.Keywords:Cryptography,EllipticCurve,DistributedSimulation,ECC,SystemArchitecture,Authent
6、ication1.INTRODUCTIONattacks,butarelesslikelytobetargetedifitisdifficulttoidentifywhoaretheparticipantsinaIncreasingly,distributedsimulationisrequiredforadistributedsimulationexerciseandwhereonthevarietyofreasons,suchasmodelsrunningundernetworktheyare.differingoperatingsy
7、stems,clockspeedsorsimulationenvironments,orforreasonsof1.2Securityservicescommercial,governmentormilitarysecrecy.Forcostreasons,manyofthesesystemsnowhavetouseThereareseveralimportantaspectsofsecuritytheinternettocarrytheirintercommunicationtraffic.whichdirectlyimpactonth
8、euseofauthenticationConsequently,theriskoflostormodifieddata,lossandencryptionfordistributedsimu
