计算机应用 ›› 2005, Vol. 25 ›› Issue (10): 2424-2427.

• 典型应用 • 上一篇    下一篇

基于RBAC的CSCD系统工作流授权模型

徐洪学1,2，刘永贤1   

  1. 1.东北大学机械工程与自动化学院； 2.营口职业技术学院
  • 收稿日期:1900-01-01 修回日期:1900-01-01 发布日期:2005-10-01 出版日期:2005-10-01
  • 基金资助:

    国家“十五”重大攻关课题项目(2001BA201A14)

Workflow authorization model based on RBAC for CSCD system

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  1. 1.College of Mechanical Engineering and Automation,Northeastern University,Shenyang Liaoning 110004,China;2.Yingkou Higher Vocational Technical Institute,Yingkou Liaoning 115000,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2005-10-01 Published:2005-10-01

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摘要： 提出一个基于RBAC的CSCD系统工作流授权模型RTSWAM，与传统的访问控制授权模型不同，该模型在已提出的时态权限概念的基础上，提出了时空权限的概念，表示基于RBAC的CSCD系统工作流授权不仅受时间约束，还受空间范围限制，即被授权者只能在某个时间段和网络空间段内，才能对某个任务执行某种操作，这样不仅可以保证组成工作流的任务只能被属于某个特定角色的用户执行，而且可以保证在授权流与工作流同步的基础上，实现授权流与网络空间范围动态变化的协调一致。

关键词: 计算机支持合作设计, 基于角色的访问控制, 授权模型, 时空权限

Abstract:  This paper proposed a workflow authorization model based on RBAC(Role-Based Access Control) for collaborative design system.Different from traditional access control authorization models,this model provided the notion of temporal-spatial permission which represents the fact that can only perform certain operation on a task for a certain time interval and a certain spatial range of Internet/Intranet,namely the workflow authorization based on RBAC for collaborative design system not only relates with time,but also relates with Internet/Intranet address.It can not only ensure that only authorized users could execute a task,but also ensure that the authorization flow is synchronized with workflow and the dynamic change of spatial range of Internet/Intranet address.

Key words: CSCD(Computer-Supported Collaborative Design), RBAC(Role-Based Access Control), authorization model, temporal-spatial permission

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