资源描述：
《物联网环境分布式数据加密存储和访问控制技术研究》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、物联网环境分布式数据加密存储和访问控制技术研究Chapter1Preface1.1ResearchbackgroundInterofthings(IOT)safeandreliabletransmissionofdatainformationisnotonlyrelatedtothespatialtransmissions,safeandreliabledataprocessing,moreimportantisthelargenumberofphysicalentitiessafeandreliableoperatin
2、gdecisionsinthephysicallayer,thereforegivinghigherrequirementsforthePredictabilitybehaviorofthesystemreliability.Accordingtoitsosofthemobiles,alsostillfacesissuesobiles.Intersecurityisappliedasoneofthemostneededimportantfactor,theinteractsasbarterasmartsandrisksi
3、nvolvedinationspacefacingthecouplingofthesetakestheinterofthingsmuchmorediverseandplexmakingthesecuritythreatscredible,Interofthingshybridandinconclusivenaturebringsenormouschallengetosafeandreliabledatatransfer.Interofthingsterminalproductshavehugecapabilitiesdi
4、fferences,inalproductshavecontradictionsbecauseintheseproductsexistsloptionofalgorithmresourcesforsafeandreliabledatatransferInterofthingsmovesfrequently,thereishighdynamicmunicationconnectionstatus,andtheterminal'ssubmaydisconnectitselffrominterofthingsdiffe
5、rentpartsinvarioustimes,thusincreasingthedifficultyleveloftheaccesscontrol,authorizationandcertification.Interofthingsissuperlargescale,theterminalandthesubheterogeneitycausesspanningacrosssubgreattechnicaldifficultyforsecurity.Themaximumamountoflogicorphysicalen
6、tityininterofthingsisbasedontheinterconnectedaybebrokenandstolenortransferred,thusthishasgivenrisetotheneationleakage..........1.2SecurityrequirementsforthemassstoragesystemAccesscontrolisadistributedmassstoragesystemespeciallydesignedforuserstomaximizethesystemr
7、esourcesbasedonthesharingcapability,anagement.ostoftheenergyconsumptionismainlyinthesensornodesinunicationmodule,sotheyshouldfocusonthedesignphaseconsideringreducingmunicationcosts.Forthedatastoragephase,ifthedataproductionnodeanditscorrespondingdatastoragenodesa
8、redifferentthenayneedtoconsumemunicationcosts;inthedataaccessphase,themunicationcostsismainlyoccurredintand.Duringthedesign,allofthesefactorsshouldbetakenintoa
