基于身份的數(shù)字合同簽名及其應(yīng)用.pdf

1、中山大學(xué)碩士學(xué)位論文基于身份的數(shù)字合同簽名及其應(yīng)用姓名：熊兵申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：張方國(guó)20060603Title：IDbasedDigitalContractSignatureandItsApplicationsMajor：CommunicationandInformationSystemEngineeringName：XiongBingSupervisor：A／ProfZhangFangguoABSTRAC

2、TWiththedevelopmentofinformationtechnologiesandcommunicationnetworksElectroniccommercehasbeenappliedbroadEcommercebecomesmore鋤dmoreimportant，buttheexchange。safetyandreliabilityalelackofguaranteeDigitalcontractslgnaturesa

3、leusedtoensurethedealertoexchangeconsistwiththecontractfairlyAsaresult，thetwopotentiallymistrustfulpartieseithergetsthecounterparty’sdataorneitherofthemdoesThispaperwefustanalysethesafetytIlremsandsafetyrequiremeritstoth

4、eEcommerceanddigitalcontractsignatures，thenweintroducethebasicknowledgeofcryptographyanddigitalsignatures，andreviewsoIr圮contractsignatureschemesandcomparethemdetailedlyLastlybaseduponexistedsolutionsandtl磚眥t山recryptograp

5、hyandsignatures，anovelcontractsignaturesolutionwasproposedThisschemenotonlycanensurethefairexchangeofdigitaldatabutalSohaSthecharacteristicofsimplenessandeffectnessThemainworkofthispapercontainstwoaspects：FkStlyitpropose

6、danovelID—baseddigitalcontractsignatureprotocol，IDbasedconcurrentsignatureprotocol，alsoitssafetyandapplicationsarementionedSecondlyweextendtheIDbasedconcurrentslgnaturetoaproxytype，IDbasedproxyconcurrentsignature，itallow