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论文类型：期刊论文

发表时间：2022-06-29

发表刊物：计算机集成制造系统

所属单位：经济管理学院

期号：11

页面范围：2115-2120,2194

ISSN号：1006-5911

摘要：To realize bilateral protocols and dynamic restriction of roles mutex, and to solve the problems arose by permission sharing, a role-based dynamic delegation model was proposed. Firstly, the main idea of the model was explained. Secondly, the constitution elements, elements relationships and delegation restrictions were expatiated with discrete mathematical expressions. Finally, details on how to achieve temporal delegation, part-role delegation, bilateral protocols, and dynamic restriction of roles mutex as well as how to solve the problem of permission sharing based on Agent in the whole delegation process were discussed.

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