摘要： 讨论了角色互斥在角色访问控制系统中的应用。在角色访问控制系统基本模型的基础上,从角色互斥应用的时机和互斥角色之间权限共享两个角度进行了分析,并形式化地描述了静态和动态互斥的原则及角色之间共享权限的约束关系,最后给出了在角色访问控制系统中应用了角色互斥之后所带来的一些性质,并加以证明。

关键词: 角色访问控制, 角色互斥, 安全技术

Abstract: The article discusses the application of mutual exclusion of roles in role-based access control system. Based on basic model, the article specifies formally for rules of static and dynamic mutual exclusion of roles, and the degree to which privileges are shared between roles. At the end , the article gives the properties introduced by application of role exclusion and proofs them.

中图分类号: 

• TP309