整合分级的角色访问控制方案及其策略的研究与实现

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1、上海交通大学硕士学位论文thisdissertation.AfterabriefintroductionofRBACandrating,theauthordescribetheoriginalmodelofRBACintegratingrating,butthismodelisnotverydelicate.Solater,theauthorimprovedthismodel,thenewaccesscontrolmodelistheresultofefficientcombinationofRBACandrating.Theauthoralsoanalyzeitsperformance.

2、Thenthedissertationemphasizesontheresearchofpolicydescription,thestandardizationofpolicydecisionandrulecombination.Aftertheoreticalanalysis,theauthorgiveusaninstanceinOA(OfficeAutomation)systemtodemonstratehowthisaccesscontrolworks.Thelastpartofthisdissertationissomepointsaboutpolicystorage,includ

3、ingconstructionofpolicybase,thedatastructureforpolicyandsecurityofpolicybase.KEYWORDS:RBAC,rating,accesspolicy,policybaseIV上海交通大学硕士学位论文图片目录图2-1RBAC96模型.........................................................................11图2-2PICS分级处理流程..........................................................

4、......20图2-3整合分级的访问控制初始方案..............................................21图3-1改进方案的模型图..................................................................26图3-2改进方案的具体实施.............................................................30图4-1策略构成.............................................................

5、...................34图4-2XACML策略语言模型...........................................................37图4-3XACML体系结构..................................................................43图4-4XACML上下文......................................................................43图4-5访问判决流程..........................

6、..............................................44图4-6部门人员树结构简图.............................................................45图5-1目录信息树............................................................................51图5-2访问策略信息树.....................................................................52图5-3策

7、略信息流转过程.................................................................52图5-4SASL认证..............................................................................543上海交通大学学术论文原创性申明本人郑重申明所呈交的学位论文是本人在导师的指导下独立进行研究工作