How to maintain integrity and validity of security information is studied through policy space and a dynamic access control algorithm based on security information is presented.
基于此，研究了如何维持在策略空间穿越中的安全信息的完整性与有效性，提出了基于安全信息的动态访问控制算法。
This paper describes the policy of resource access control with capability, so the policy has dynamic maintenance characteristic.
提出利用权能对资源访问控制策略进行描述，动态维护。
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