基于ECC和USBKEY的kerberos改進協(xié)議及其應用.pdf

1、上海師范大學碩士學位論文基于ECC和USBKEY的kerberos改進協(xié)議及其應用姓名：叢清日申請學位級別：碩士專業(yè)：計算機應用技術指導教師：胡金初20100401上海師范大學碩士學位論文摘要ABSTRACTInthenetworkInformationAge，RemoteAccessService(RAS)hasbecomeaconvenientandefficientmodeofgettinginformationresources

2、forpeopletowork，studyandentertainmentInanopennetworkenvironment，it’Shopedthattheresourcesintheserverisopenedtothelegaluserinthenetwork，andtheservercanpreventi1legalusertopeculateordemolishtheresources：ontheotherhand，thel

3、egalusermustbelievethattheresourceswhichhereceivedarecorrectandnotjuggledbyotherpeopleThusbasedonthesetwequirements，inadistributednetwork，itmustprovideamechanismtoauthenticatetheidentityoftheuserThecontinuousdevelopmento

4、ftheInternet，butalsotospeedupthecompanyorenterprise’Sinformationconstruction，informationsecurityissueshavebeenincreasin91yattractedattentionHowever，acompanyestablishedinvariousapplicationsystemsisnoteasy，andalwaysstepbys

5、tep，theconstructionorimprovementofwhichresultedinauthenticationofeachsystemareindependentofeachotherIntheconventionalsecuritymodel，theusertoaccessmultipleapplications，theneedformultipleloginauthentication，SOtheuserdatawi

6、llbemuchduplicationandredundancy，systemmanagementisalsomoredifficultKerberosprotocolisbasedonClient／Servermodelofatripartiteauthenticationprotocols，applledathree—wayapproachItaccordingtoathird——partyserviceswhichalsoname

7、dthekeydistributioncenterstoverifytheidentityofentities，itestablishedacomputerkeytoensuresecuritybetweencommunicationsUserauthenticationloginonlyonce，wecanfreelyshuttlebetweenmultipleapplicationswithouthavingtepeatedlyen

8、terausernameandpasswordtodeterminetheidentity，KerberosintheserviceplaysacrediblearbiterroleInthispaper，thestudyofe11ipticcurvecryptosystem(ECC)andUSBKEYidentityauthenticationtechnology，improvetheoriginalKerberosprotocolt

9、osolvethepracticalapplicationoftheweakerphysicalauthentication，largenumberofsingle—keyandNetworkClockisnotsynchronizedproblemsAndtheimprovedprotocolsecuritylogiconatheoreticalevidencetoprovethattheconclusionsandsystemtes