基于電子圖章的合同訂單協(xié)商機(jī)制研究.pdf

1、密級(jí)：公開基于電子圖章的合同訂單協(xié)商機(jī)制研究TheStudyonnegotiationmechanismofcontractorderbasedonelectronicstamp(申請(qǐng)石家莊鐵道學(xué)院授予工學(xué)碩士學(xué)位淪文)培養(yǎng)單位：專業(yè)：研究生：指導(dǎo)教師：計(jì)算機(jī)系計(jì)算機(jī)應(yīng)用技術(shù)李彥華張常有副教授二oo七年一月AbstractAbstraetInrecentyearsEcommercegrowswithrapidspeedEcommerce

2、getspeople’SattentionforsavingthecostofcommerceandimprovingefficiencyButitoftenexistsproblemofinformationinterceptandcapture，tampercounterfeit，hostilitybreakageandtransactionbusinessdenyinE—commerceprobablySoitbecomesaho

3、tspotproblemforhowtoreduceoravoidallkindsofcheckbehaviorinECommerceAtpresent，stampisoftenusedincustomtransaction，andstampbecomethecredibilityforvalidatetheidentityofcommercesideItbecomesthestudyhotspotforusingvisiblestam

4、pinEcommerceWemainlyresolvedtheproblemofusingvisiblestampinelectroniccommerceinthispaperFirstlyWedesignedanelectronicstampusingdigitalwatermarkingwhichcanpreventtheE—stampfromtamperedSecondlyaprotocolusingEstampisdesigne

5、dtoassureconfidentialityintegralityandequalityinEcommerceCryptographydigitalSignatureanddigitalwatermarkingareusedinthisprotocolmodeltoassureconfidentialityandintegralityofdataTheE—stampcanbothasuseridentifyandpreventE—s

6、tampfromforgedbecauseofuserinformationanddigitalcertificateinformationinsertedinEstampAtlast，asallapplicationattemptwetryoutthisprotocolinCardistributionsystemInaword，inthispaperwehavingimplementedvisiblemanagementforEst

7、ampinEcommerce，andresolvedtheauthenticationproblemforE—stampownerandassureequalityofbothsideintransactionItprovidedasettleschemeandfoundforresolvingsecurityprobleminEcommercebyEstampKeywords：Estamp，digitalwatermarking，di