无线射频识别安全与隐私研究

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1、西安理工大学硕士学位论文无线射频识别安全与隐私研究姓名：郭虎申请学位级别：硕士专业：应用数学指导教师：王尚平20080301Abstr&ctTitle：RESEARCHONSECURITYANDPRIVACYFORRADlOFREQUENCYIDENTIFICAlTIONMajor=AppliedMathematicsName：HUGUOSupervisor：Prof．ShangpingWANGAbstractSignature：出6丝Signaturv√j舻牡URadiofrequencyidentification(RFID)isaki

2、ndofnon—contactdataacquisitionandautomaticidentificationtechnology,whichisusedtoremotelyandquicklycollectdataofobjectsandautomaticallyidentifythem．NowRFDtechnologyisgraduallyusedinvariousfieldsofindustryproductionanddaily1ife．buttherestillexisthiddentroublesinapplications，

3、whichCan’tbeignored—-thelackofsecuritymechanism．wherewidespreadapplicationofI己F【Dtagmayviolateuserprivacy．ThecoreproblemderivesfromthebasicfunctionofRFIDtag，eachtagIDcanbescannedremotelybyanyone，tagautomaticallyrespondstoanyreaderandtransmitsitsdatawithoutidentification．Th

4、iSfeaturecanbeusedtotrackaspecificuserorobjectremotely．CurrentlysecurityofI强IDhasbecomeanimportantfactorwhichpreventsRFIDfrombeingadoptedinlargescale．Atfirst．thisthesisbrieflyintroducesthedevelopmentandcurrentstatusofRFⅡ)domesticallyandabroad，thengiyesanoverviewofconstitut

5、ion，classification，principles，advantagesandtypicalapplicationsofRFID．illustratessecurityandprivacyproblemsexistingiIlI江IDsystemindetail．andfinallyevaluatesandanalyzesexistingsecurityandprivacyprotectionschemeforRadioFrequencysystemandspecifiesitsshortages．Basedoncomprehens

6、iveunderstandingtoprivacyproblemfacedbyRFDandexistingprivacyprotectiontechnology,anewschemetoprotecttheprivacyofRFIDisproposed，inwhichadatabaseidentifierfieldinRFIDtagWasintroducedbasedonHash．chainmethod．Comparedwiththeoriginalhash—chainmethod，duringtheI强IDtagisidentifiedb

7、yareader,thetagwillbequicklyauthenticatedbythenewschemewhetheritbelongstothedatabasesystemthatthereaderassociatedornot．Afurther仃eatmentisnotrequirediftheRFIDtagdoesn’tbelongtodatabasesystem．ThenewschemeavoidsDoSattackandMITMattack．IncaseofwidespreadapplicationofRFIDtag．cal

8、culationloadCanbereducedwhileRFDsecurityisguaranteedbythenewscheme．Finally,mutualauthenti