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发表时间：2010-01-01

发表刊物：计算机工程

所属单位：经济管理学院

期号：3

页面范围：152-155

ISSN号：1000-3428

摘要：Aiming at the problems of Privilege Management Infrastmcture(PMI)model application in the work flow system that data redundancy,weakly dynamic adaptability,this paper proposes a PMI model based on Task-Role Based Access Control(T-RBAC).The model can make the relationship between access right and task by adding task specification access certificate,task assignments access certificate and task management agent.Application result proves that the model can support information security management with three ways of access control in dynamic work flow systems,it consists of access control based on role,task and role and task.

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