【摘要】 基于角色访问控制 (RBAC)是实现访问控制的最有效技术 ,文中探讨了分布式数据库系统下的基于角色访问控制实现机制 ,并用于大连市机关事业社会保险系统。给出了分布环境下角色、权限的分布管理及域间访问的实现方式 ,提出了一个新型属性证书。在本分布式系统中 ,按照业务的实际情况进行了扩充和修改 ,从安全及可用性上给出了具体的解决方案。更多还原

【Abstract】 RBAC is an appealing technology that implements access control objectives. In this paper the role based access control model and its implementation are discussed in the distributed environment.Moreover , it is applied to the Dalian department social insurance network system. An implementation of role and popedom in the distributed environment and the access between filed is presented.This paper designs a new kind of attributed certificate. In this system, it should be extended and modified according to actual conditions.The safe and usable solution plan is presented finally.更多还原