基于P2P网络模型的开放业务环境下的信任管理研究

《基于P2P网络模型的开放业务环境下的信任管理研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、北京邮电大学博士学位论文基于P2P网络模型的开放业务环境下的信任管理研究姓名：姜怡申请学位级别：博士专业：通信与信息系统指导教师：陈俊亮20080121北京邮r乜人学研f‘学位论文更优的性能。关键词：P2P网络模型，开放业务环境，信任管理，PKI，证书路径构造及验证，信任模型，信任协商，Pea-i网2北京邮电大学博}‘学何论文AbstractUderthedevelopmentofscaleoftheIntemetandfastprogressofinter-connectiontechnologies，P2Pnetworktechnology,whichbecomesahottopicof

2、computerscience，eventuallyareusedinmanyapplications。P2PistheabbreviationofPeer-to—Peer,whichiscalledpeernetwork．Peernetworkisatyoeofnetworkmodel，inwhichmodelallthenodesarepeerentities．Thenodes，calledaspeernodes，havethesamecapabilitiesandduties．Thepeernodescanshareresourcesthroughdirectconnections，w

3、ithoutanycontrolfromanycentralserver-P2Papplicationsbringchangestothewebbasedserviceenvironment．Theserviceenvironmentchangesfromaclose，staticmodetoaopen，publicandhighlydynamicmode．Thiskindofchangescomplicatesthesecurityanalysisforwebbasedapplications．Securitytechnologiesfortraditionalsoflwaresareno

4、longerapplicabletoP2Papplications．Thereisarequirementfornewmethodstosolvethesechallenges．TrustmanagementisanewtechnologytoprovidesecurityframeworkinP2Pserviceenvironmentrecently．Buttherearesomeproblemunsolvedduringtheresearchofthistechnology．Therefore，theaimofthisthesisistoproposeasetoftrustmanagem

5、entmodels，includingcertificatebasedauthentication,trustmodelandtrustnegotiationmodel．ThemaininnovatiOilsof也ethesisaresummarizedasfollows：ThefirstpartofthethesissummarizesandanalysestheapplicationsandsecurityrequirementsofP2Ptechnology．ThethesissortP2PnetworkmodelsandcomparethemwithClient／Servernetw

6、orkmodel．TheapplicationsofP2Ptechnologyislistedinthethesis．ThenthethesissummarizesthesecurityrequirementsofopenserviceenvironmentbasedonP2Pnetworkmodel。Thesecondpartintroducestheconceptsoftrustmanagement．Firstlythedefinitionandmodeloftrustmanagementaregiven．Thenthethesisanalysesseveralrepresentativ

7、etrustmanagementsystemsandtrustevaluationmodels．Atlasttheexistingproblemsandtheresearchdirectionsoftrustmanagement．ThethirdpartstudiestheapplicationofPKIinP2Pnetworkmodel．PKICanimprovethesecurityofP2Pnetwor