【摘要】 提出了一种基于角色的信息系统授权管理安全模型IRBAC .对IRBAC安全模型的要素及联系进行了形式化描述 ,并说明了IRBAC的工作模型 .更多还原

【Abstract】 Based on role, this paper presents the security model of managed authority for information system, it called IRBAC for short. In this paper, the element and connection of IRBAC security model is described with formalization, and that work model is explained.更多还原