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Dynamic Role-Based Access Control Model

机译：基于角色的动态访问控制模型

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With the rapid development of network and the coming of information age, access control is particularly important, role-based access control (RBAC) is an access control which is popular. RBAC authorizes and controls the roles corresponding to the users to operate the object. It solves problems of least privilege, separation of duties and so on. However, limited permissions are required to be executed by a certain sequence, that is, the permission owned by a user is controlled by other users’. To solve this problem, this paper proposed an improved model on the base of the original RBAC, not only to retain the original characteristics of RBAC but also solve a specific problem of some permissions which are needed to executed by sequential order, and the analysis shows that this scheme has better security, better flexibility, and can be well applied to the workflow system.
机译：随着网络的快速发展和信息时代的到来，访问控制尤为重要，基于角色的访问控制（RBAC）是一种流行的访问控制。 RBAC授权并控制与用户相对应的角色来操作该对象。它解决了最小特权，职责分离等问题。但是，必须按照一定的顺序执行有限的权限，也就是说，用户拥有的权限由其他用户控制。为了解决这个问题，本文在原始RBAC的基础上提出了一种改进的模型，不仅保留了RBAC的原始特征，而且还解决了一些需要按顺序执行的权限的特定问题，分析表明该方案具有更好的安全性，更好的灵活性，并且可以很好地应用于工作流系统。

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