電子商務安全性的理論與技術(shù)研究.pdf

1、西安電子科技大學博士學位論文電子商務安全性的理論與技術(shù)研究姓名：陳曉峰申請學位級別：博士專業(yè)：密碼學指導教師：王育民20021101ABSTRACTwi也婦developmentoftheIntemet，electrorticOOmIB鈕CemakesrapidprogressHoweverthesecurityofecomIn髓ceisabottleneckthatpreventsthedevelopmentofitHowtorise

2、thetechniqueofcryptographytosolvetheproblemofsecurityofecommerce，andacceleratehealthyandrapidgrowthofeoM)rlll／lerce，hasbeenthehotresearchsubjectinthefieldsofacademeandcommerceE’commercehascomedowntoeveryaspectofourlife，i

3、ncludingeconomypolitics，cultureetcInthispaperwestudythesecurityofeooml“nercefromelectroniccash，electronicv06mgelectronicauctionandfairexchangewithemphasisOnthemaintenancethefairnessofthecommercesystem，theanonymityofuseri

4、dentification，theconfidentialityandnonrepudiationofsysteminformationThemainworkofth／sthesisisasfollows：1AIleWdefinitionof‘trust’and“coitus／on”isghenbasedontheassumptionof“raftonaleconomist’and也emodeloftrustinelectronicOO

5、InID_erceisdiscussedaccordingtothedifferenceofdegreeofthetrust2FairelectroniccashsystemisstudiedAfairelectroniccashschemebased012fingerprintingispresentedundertheunconditionaltrustmodelAfairelectroniccashschemeonthebasis

6、ofdoublesignatureispresentedunderthesemi—Wastedmodel，whichsolvestheproblemofillegaltracingBasedongroupblindsignatureprotocolandthethoughtsof“marking”，afairelectroniccashschemetopreventanonymousblackmailingispresented，whi

7、chovercomesthedrawbacksofDKugler’Sscheme，3Byusingthegroupsignatureprotocolandtimedbitcommitmentprotocol，anewsecureelectronicvotingschemebasedonanonymouscommunicationchannelispresented，whichsolvestheproblemsofsuchas‘votec

8、ollision，，，“voterabstainsfiomvotingorquitsmidway’etalintheschemeofFujioka；areceiptfleeelectronicvotingschemebasedonsemitrustedmodel(conflictofinterestmodel)ispresented，whichpreventsthecrimessuchas‘‘votebuying’、“coercible

9、vote’’etcinelectroniCvoting4，TheoverdewofelectronicauctionispresentedFortheproblemoftiebidding，thethoughtof‘randomlysealedbids”isfirstlyintroducedandasealedbidauctionschemeispresentedByusingthebitcommitmentprotocol，multi