简介:Nearfieldcommunications(NFC)isanewlythrivedtechnologyinrecentyears.Thistechnologyhasbeeninstalledonmanykindsofmobilephonesystems,especiallytheAndroid.However,thereisnounifiedandcompleteframeworktoaccessNFCsofar.ThecurrentsoftwarestackofNFCmerelyimplementsdataobtainingfeatures,ignoringthepost-processingofdataandlackingacertainsecuritymechanismforNFC,whichresultsininefficiencyandinconvenienceforsoftwaredevelopmentandmaintenance.Aboveall,securityproblemscouldbecausedduetotheabsenceofthesecuritymechanism.Toproposeasolution,thispaperpresentsabrand-newframeworkforNFCutilizationbyanalyzingandconstructingaservicemodel.Thus,theproposedframeworkencapsulatesthecurrentNFCstackonAndroid,formulatingathree-layerstructureafterimplementingtheencapsulationandparsingofNFCrecords,whichultimatelyenablesanXMLdocumenttodescribetheconfigurationofNFCanditsrelatedserviceflow.Simultaneously,acontext-awarenessmodelisproposedandbuiltinthispapertoequiptheframeworkwiththecapabilityofadaptingtodifferentphysicalenvironment.
简介:随着移动支付方式的普及和发展,移动支付的安全性问题受到越来越多的关注。本文介绍了NFC移动支付的基本概念,给出了NFC移动支付基本工作方式,分析了移动支付的安全威胁种类,对移动支付安全方案进行了研究,讨论了现有的用户验证方法的优点和弊端,构建了移动支付系统的基本架构。