幾個電子現(xiàn)金支付方案的分析與改進.pdf

1、黑龍江大學碩士學位論文幾個電子現(xiàn)金支付方案的分析與改進姓名：李俊花申請學位級別：碩士專業(yè)：應用數(shù)學指導教師：張龍20110420AbstractInthe21stcenturywithdevelopmentofmodeNlscienceandtechnologythetraditionalbusinessmodelcan’tconstantlymeetpeople’SmoreandmoredemandThedevelopmentofec

2、ommerceistheirreversibletrendofeconomicdevelopmentTheimportantlinkofecommerceisepayment，whereaselectroniccashisanimportantwayofelectronicpayment，whichisthehotspotinstudyofcryptographyinrecentyearsInthisthesis，basedonthea

3、nalysisoftheexistingseveralelectroniccashschemes，someimprovementshavebeenmadeBesides，combinedwiththenewpasswordtechnologyseveralnewelectroniccashschemescharacterizedbypracticalanddifferentpropertieshavebeendesignedThemai

4、nresultsare鷦follows：1FirstlytheanalysisoftheelectroniccashschemedesignedbyWangYehasbeenmadeanditsadvantagesanddisadvantageshavebeenpointedoutInaddition，someimprovementshavebeenmadeAddthepreoperationsintheregisteredstagea

5、ndcuttradingtimetoimproveefficiency2Secondlydesignanonlineindivisibleelectroniccashschemeandintroduceanidentityauthenticationmechanism，whichCannotonlyeffectivelypreventthefraudconductsoftheoutlawsimpersonatinguse瑙guarant

6、eetheauthenticityofbothparties’identitiesinthetrade，butalsoCanbeappliedtobigvolumebusinesstrade3DesignanewolllineindivisibleelectroniccashschemeinwhichsignatureandblindsignatureaxecombinedtogetherAstrongsafetyelectronicc

7、ashschemefeaturingthepresafetycharacteristicsofthesignatureschemehasbeendesigned4ElectroniccashsolutionproposedbyHuangZhengquanhasbeenimprovedTheadditionofthebudgetintheopeningagreementenablestrackingpossiblemerelyontheb

8、asisthatthebankandthecorrespondentpartwithcredibiliWCOoperateThereforeithasstrongeranonymityandminimizestheusers’losses5TheofflinedivisibleecashschemeisimprovedThecharacteristicsofthisschemeisits印plicationofthetechnicalc