一種可信度可動(dòng)態(tài)調(diào)節(jié)的rbac策略模型的研究

1、中南大學(xué)碩士學(xué)位論文一種可信度可動(dòng)態(tài)調(diào)節(jié)的RBAC策略模型的研究姓名：胡細(xì)玲申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)科學(xué)與技術(shù)指導(dǎo)教師：王國(guó)軍20100501ABSTRACTAccesscontrolstrategyeffectivelyprotectsthesecurityofinformationsystemsItincludesaccessingfromallowableauthorizedsubjectentitiestoobjecten

2、tities，andthestrategyofrejectingtoprovideservicestonon—authorizedsubjectentitiesconcurrentlyTheinformationsecurityproblemhasbecomeamajorfocusastheinvolvementanddevelopmentofthecomputertechnologySoanexcellentdesignofacces

3、scontrolstrategymodelhasbecomeahotresearchtopicThisthesisfirstintroducesthebasicconceptsofaccesscontrolbylistingseveralclassicalaccesscontrolstrategymodelThen，itemphasizesonanalyzingtheRBACaccesscontrolstrategymodelandtr

4、ustdegreeplatformFinally，itproposesanRBACmodelondynamicallyadjustabletrustdegreeunderpasswordauthenticationenvironmentThetraditionalauthorizationallocationofRBACmodeliSstatic，SOusers’operationbehaviorsarestaticInordertoi

5、mprovethesolutiontowardsthisproblem，weproposeadynamicadjustabletrustdegree，whichisabletochangeusers’charactersandauthorizationpowerBecauseadynamicadjustabletrustdegreerealizesthatwebuildupinitialtrustdegreeinatrustedsyst

6、emenvironmentanddynamicallyadjustusers’trustdegreebystateofusers’jobapplicationanddoneThisthesisalsoproposesastrategymodelbasedontrustcomputingplatformfromtheblueprintofanRBACmodelondynamicallyadjustabletrustdegreeItmain

7、lyintroducestheconceptoftrustdegreeplatformmanagementcenter，togetherwithpasswordinordertoincreasethesecurityoftrustvalue，SO，itcanimprovethesecurityofthewholesystemThisthesisprovidesaninsuranceforauthentication，italsosolv