【摘要】 本文以分布式信息系统为对象,简要地论述了授权算法所要遵循的原则与规则,给出了一组具有动态特征的授权算法。最后提出了一种用于授权表示与检验的矩阵方法。更多还原

【Abstract】 In this paper,the rules for authorization algorithms with dynamic properties in distri-buted information systems are presented.and then a set of authorization algorithms for security andprivacy are given.Finally,a method used to represent and verify access control is proposed.更多还原