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首页 A_New_RFID_Protocol_with_Strong_Security_and_Pri…

A_New_RFID_Protocol_with_Strong_Security_and_Privacy.ppt

A_New_RFID_Protocol_with_Strong…

zhaokuiman
2011-12-16 0人阅读 0 0 0 暂无简介 举报

简介:本文档为《A_New_RFID_Protocol_with_Strong_Security_and_Privacyppt》,可适用于工程科技领域

ANewRFIDProtocolwithStrongSecurityandPrivacy密碼編碼與計算理論實驗室ANewRFIDProtocolwithStrongSecurityandPrivacyTianLungLu(呂天龍)DepartmentofComputerScienceandInformationEngineering,NationalTaipeiUniversity,TaiwanAdvisor:JenChunChang,HsinLungWuDepartmentofComputerScienceandInformationEngineering,NationalTaipeiUniversity,Taiwan*Outline密碼編碼與計算理論實驗室OutlineIntroductionRFIDSecurityandPrivacyRelatedWorkOurProtocolAnalysisConclusion*WHATISRFIDWHATISRFIDRadioFrequencyIdentificationTag*CCCLAB國立台北大學密碼編碼與計算理論研究室RFIDAPPLICATIONSRFIDAPPLICATIONS*CCCLAB國立台北大學密碼編碼與計算理論研究室Identifyfriendorfoe()EventticketingCarkeysPublictransportticketingElectronicpassportSupplychainmanagementRFIDPowderAccesscontrolAntitheftROLESOFRFIDAPPLICATIONSROLESOFRFIDAPPLICATIONS*CCCLAB國立台北大學密碼編碼與計算理論研究室TagsReaderServer(Database)SecurechannelRFIDPOWERRFIDPOWERPassive(thisiswhatmostlyusednow)Tagsareinactiveuntilthereader’sinterrogationsignal“wakes”themupCheap,butshortrangeonlySemipassiveOnboardbattery,butcannotinitiatecommunicationCanserveassensors,collectinformationfromenvironment:forexample,“smartdust”formilitaryapplicationsMoreexpensive,longerrangeActiveOnboardbattery,caninitiatecommunication*CCCLAB國立台北大學密碼編碼與計算理論研究室RFIDSECURITYRFIDSECURITYRFID=RadioFrequencyIdentificationMoreproperlyauthentication*CCCLAB國立台北大學密碼編碼與計算理論研究室CommonRFIDAttacksReplayattackManinthemiddleattackSpoofingattack…RFIDTRACKINGATTACKRFIDTRACKINGATTACKUsedforidentificationAnticollisionphasesendsuidAttackercanrecognizepeoplebasedontheRFIDtagstheyarecarryingAttackercouldtraceRFIDenabledpackages*CCCLAB國立台北大學密碼編碼與計算理論研究室TrackingvehicleTrackinggoodsTrackingpeoplePrivacyrequirement密碼編碼與計算理論實驗室PrivacyrequirementTrackingAttack*Securityrequirement密碼編碼與計算理論實驗室SecurityrequirementMutualAuthenticationReplayAttackForwardSecurityDesynchronization*OwnershipTransferOwnershipTransfer密碼編碼與計算理論實驗室*OSKSchemeOSKScheme密碼編碼與計算理論實驗室*DatabaseSearchIDTagSavedDataSavedDataReaderProtocolofDimitriouProtocolofDimitriou密碼編碼與計算理論實驗室*DatabaseSearchIDUpdateH(TKID)=TK’IDTagCheckUpdateH(TKID)=TK’IDSavedDataSavedDataReaderCProtocolCProtocol密碼編碼與計算理論實驗室*DatabaseSearchIDUpdateH(TKID)=TK’IDTagCheckUpdateH(TKID)=TK’IDSavedDataSavedDataReaderOsakaProtocol()密碼編碼與計算理論實驗室OsakaProtocol()*DatabaseNewk’Updatek’SavedDataID,k,fk(ID)ReaderTagH(fk(ID)NR)fk(ID)fk’(ID)fk(ID)=fk’(ID)Updatefk’(ID)SavedDatafk(ID)query,NRH(fk(ID)NR)H(fk(ID)NR),NRInfo(ID)fk(ID)fk’(ID)fk(ID)fk’(ID)fk’(ID)OsakaProtocol()密碼編碼與計算理論實驗室OsakaProtocol()*DatabaseNewk’Updatek’SavedDataID,k,fk(ID)ReaderTagH(fk(ID)NR)fk(ID)fk’(ID)fk(ID)=fk’(ID)Updatefk’(ID)SavedDatafk(ID)query,NRH(fk(ID)NR)H(fk(ID)NR),NRInfo(ID)fk(ID)fk’(ID)fk(ID)fk’(ID)fk’(ID)query,NR=H(fk(ID))H(fk(ID))OsakaProtocol()密碼編碼與計算理論實驗室OsakaProtocol()*DatabaseNewk’Updatek’SavedDataID,k,fk(ID)ReaderTagH(fk(ID)NR)fk(ID)fk’(ID)fk(ID)=fk’(ID)Updatefk’(ID)SavedDatafk(ID)query,NRH(fk(ID)NR)H(fk(ID)NR),NRInfo(ID)fk(ID)fk’(ID)fk(ID)fk’(ID)fk’(ID)OsakaProtocol()密碼編碼與計算理論實驗室OsakaProtocol()*DatabaseNewk’Updatek’SavedDataID,k,fk(ID)ReaderTagH(fk(ID)NR)fk(ID)fk’(ID)fk(ID)=fk’(ID)Updatefk’(ID)SavedDatafk(ID)query,NRH(fk(ID)NR)H(fk(ID)NR),NRInfo(ID)fk(ID)fk’(ID)fk(ID)fk’(ID)fk’(ID)fk(ID)fk’(ID)NAfk(ID)fk’(ID)NAfk(ID)=fk’(ID)NAOsakaProtocol()密碼編碼與計算理論實驗室OsakaProtocol()ForwardSecurity*OsakaProtocol()OsakaProtocol()密碼編碼與計算理論實驗室*TA:TrackingAttackMA:MutualAuthenticationRA:ReplayAttackDeS:DesynchronizationFS:ForwardSecurityOT:OwnershipTransferOurProtocol密碼編碼與計算理論實驗室OurProtocolSetupAuthentication*UDatabaseSearchiComputedM=receivedMUpdateK’andi’TagCheckMUpdatefK’(ID),i’ReaderSavedDataSavedDataPrivacyAnalysis密碼編碼與計算理論實驗室PrivacyAnalysisTrackingAttack*SecurityAnalysis密碼編碼與計算理論實驗室SecurityAnalysisMutualAuthenticationReplayAttackForwardSecurityDesynchronization*ForwardSecurity()密碼編碼與計算理論實驗室ForwardSecurity()Assumption:GivenItishardtofindX*ForwardSecurity()密碼編碼與計算理論實驗室ForwardSecurity()*DataSynchronization()DataSynchronization()(DR,DT):Themaximumnumberofdesynchronizationsbetweenatagandthereaderanadversarycancreate(RR,RT):ThecapacityaschemehastoresynchronizeatagandthereaderbycomputingthecorrespondingscaleForagivenRFIDauthenticationscheme,ifDR≦RRandDT≦RT,theschemeissaidSynchronizable密碼編碼與計算理論實驗室*DataSynchronization()密碼編碼與計算理論實驗室DataSynchronization()*DatabaseSearch密碼編碼與計算理論實驗室DatabaseSearch*Conclusion()Conclusion()密碼編碼與計算理論實驗室*TA:TrackingAttackMA:MutualAuthenticationRA:ReplayAttackDeS:DesynchronizationFS:ForwardSecurityOT:OwnershipTransferConclusion()密碼編碼與計算理論實驗室Conclusion()*Conclusion()密碼編碼與計算理論實驗室Conclusion()WedesignanefficientandlightweightmutualauthenticationwithownershiptransferforRFIDsystemWereduceRFIDdatabasesearchtime*密碼編碼與計算理論研究室*ThankYou!

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