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TRBAC中翻转点选择和安全恢复算法的研究 被引量：2

Research on Turn Time Point and Security Recover in Timed Role-based Access Control
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摘要 在分析具有时间约束特性的角色访问控制模型(TRBAC)的基础上,对其中翻转点选择和安全状态恢复问题进行了阐述,提出了在TRBAC中判断系统安全状态的翻转点选择算法,选择合理的终止会话集合使系统恢复到安全状态的算法。该算法在一定程度上解决了翻转时间点选择过大或过小引起的效率和安全冲突的问题。 Based on the analysis of time-constraint role-based access control model, the problems of choosing the turn time point and security status recovery are explained, and the algorithms of choosing the turn time point which can judge the system security status in TRBAC and choosing the reasonable teminating session set which will restore the system are proposed. Therefore, the algorithm solves the conflict, to some extent, between efficiency and security caused by when the turn time point choosing is too big or too small.
作者 高利军 徐蕾
机构地区 沈阳航空工业学院计算机学院
出处 《计算机工程》 CAS CSCD 北大核心 2007年第9期154-156,共3页 Computer Engineering
基金 辽宁省航空基金资助项目(20044012)
关键词 角色 翻转点 时间约束 安全状态恢复 Role Turn time point Time-constraint Security status recovery
分类号 TP309 [自动化与计算机技术—计算机系统结构]
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参考文献4

二级参考文献17

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共引文献120

同被引文献7

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  • 7Jacques W, Akhil K, Paulo B. DW-RBAC: A Formal Security Model of Delegation and Revocation in Workflow Systems[J]. Information Systems, 2007, 32(3): 365-384.

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二级引证文献4

计算机工程
2007年 第9期

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