两层传感网中能量高效的隐私保护范围查询方法-论文.pdf

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1、计算机研究与发展DOI：10．7544／issn1000—1239．2015．20140066JournalofComputerResearchandDevelopment52(4)：983—993，2O15两层传感网中能量高效的隐私保护范围查询方法戴华。杨庚2肖甫周强何瑞良(南京邮电大学计算机学院南京210013)(宽带无线通信与传感网技术教育部重点实验室(南京邮电大学)南京210013)(daihua@njupt．edu．cn)AnEner‘gY。-EfficientandPrivacy。-PreservingRangeQueryProcessinginTwo

2、。_TieredWirelessSensorNetworksDaiHua，YangGeng，XiaoFu，ZhouQiang，andHeRuiliang(SchoolofComputerScience8LTechnology，NanjingUniversityofPostsandTelecommunications，Nanjing210013)。(KeyLaboratoryofBroadbandWirelessCommunication8LSensorNetworkTechnology(NanjingUniversityofPostsandTelecommunic

3、ations)，MinistryofEducation，Naing210013)AbstractApplyingrangequeryprocessinginwirelesssensornetworks(WSNs)whilepreservingdataprivacyl‘Sachallenge．Thispaperproposesanenergy—efficientandprivacy—preservingrangequeryprocessingintWO—tieredwirelesssensornetworks，whichisdenotedasEPRQ．Indatas

4、toringphase，eachsensornodeinthequeryrangefirstlyencryptsitscollecteddata，andthenencodesthemintotheminimizedcomparisonfactorsby0-1encodingandhashedmessageauthenticationcodingmechanism．Afterthat，ittransmitstheencodedandencrypteddatatothecorrespondingstoragenode．Whenthebasestationbeginsa

5、rangequery，theboundsoftherangeareencodedintocomparisonfactors，andthendisseminatethemtothecorrespondedstoragenodes．Accordingtothenumericalcomparisonpropertyof0-1encodingverificationmechanism，anencrypteddatasetcontainingthequeryresultisgeneratedbysuchstoragenodes，evenwithoutknowingtheac

6、tualvaluesofthecollecteddataandqueriedrange．Then，thestoragenodessendsuchencrypteddatasettothebasestationasqueryresponses；，andthefinalqueryresultisobtainedafterdecryptionbythebasestation．ThetheoreticalanalysisandexperimentalresultsshowthattheEPRQensuretheprivacyofthecollecteddata，thequ

7、eryresultandthequeryrange，andithasbetterperformancethantheexistingmethodsintheenergyCCInsumption．KeywordStWO—tieredwirelesssensornetworks；privacypreserving；rangequery；0-1encodingverification；symmetricencryption；hashedmessageauthenticationcoding摘要具有隐私保护能力的范围查询处理方法是当前无线传感器网络(wirelesssen

8、sorne