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1、2013InternationalConferenceonComputerSciencesandApplicationsAHierarchicalAccessControlTechnologyforCloudStorageJiangLanGuChunhuaSchoolofInformationScienceandEngineeringSchoolofInformationScienceandEngineeringEastChinaUniversityofScienceandTechnologyEastC
2、hinaUniversityofScienceandTechnologyShangHai,ChinaShangHai,Chinacandicejjlan@163.comchgu@ecust.edu.cnAbstract—Toprotectdatausersstoredoncloudplatform,aoperationsystemandapplicationsoftwaretenantsdeployednewaccesscontrolmethodthatcombinesOakleyalgorithmar
3、ebythousands.andahierarchicalschemebyprivilegewasproposed.CP-ABEalgorithm,OakleyprotocolandhierarchicalmanagementbyWecombinetheadvantageofkeygeneration,accessprivilegewereintegratedcreativelytoaneweffectiveandcontrolalgorithmwithhierarchicalmethod,toallo
4、catekeysecureaccesscontrolmodel(OHB-model).Theproposedforusersandbuildtheprivatekeyofusersandresources,schemesupporteduserdynamictopologychanges.Itcouldbewhichcanfindaneffectiveaccesscontrolmethodtosolveusedforhierarchicalaccesscontroloncloudplatform.the
5、cloudcomputingsecurityissues.Throughthetheoreticalanalysisandexperimentalverification,thesecurityvulnerabilitiescouldbesolvedeffectively.II.RELATEDWORKKeywords-component;Oakley;cloudstorage;cloudCloudisakindofcalculationof“resourcepool”,whichsecurity;acc
6、esscontrol;groupkeymanagementthroughtheservice,application,informationandinfrastructuresuppliedbynetworkandstorage,userscanaccessthecloudresourceviatheinternet.WecanuseI.INTRODUCTIONdirectedgraphtorepresentsucharelationship.EachvertexNowadays,cloudcomput
7、ingisoneofthehottesttopicsinthechartonbehalfoftheparticipantsandthereisnolinkbecauseitreducesthecostwhileincreasingagilityandbetweentwovertexesthatrepresentresource.Thescalability.Afewyears,beginningfromapromisingconnectionbetweenusersandresourcerepresen
8、tsuser’sbusinessidea,cloudcomputinghasbecomeafastest-authority.UsercanjustreadtheresourceifthelinkisgrowingdomainofITindustry.Cloudfocusesonanpointedtouserwhilecanwriteifthelinkispointedtoenvironmentbasedonnetwork,suchassh
