This paper proposes the role concept, discusses the dynamic access control of role-based workflow status, and describes and analyses the formal model.
本文将角色的概念加入进来，讨论了基于角色的工作流状态的动态访问控制，并对其模型进行了形式化描述和分析。
In the problem of dynamic access control, we present a secure and efficient scheme, which is based on discrete logarithms and polynomial interpolation.
在用户层次结构的动态存取控制问题上，本文提出了一种安全有效的方案。
The protocol the author designed for SuperPON, provides half-static and demand dynamic access control method according to different delay requirements.
作者设计的协议中，根据不同时延要求，提供半静态和动态的带宽分配方法，满足不同业务的需求。
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