具有共享属性的信息系统安全模型 |
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引用本文: | 高朝勤,肖创柏,高允翔,徐潇.具有共享属性的信息系统安全模型[J].北京工业大学学报,2012,38(11). |
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作者姓名: | 高朝勤 肖创柏 高允翔 徐潇 |
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作者单位: | 北京工业大学计算机学院,北京,100124 |
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基金项目: | 国家“863”计划资助项目,北京市自然科学基金资助项目 |
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摘 要: | 针对多级安全信息系统中的信息保护和共享问题,将独立计算机系统中的BLP模型扩展至信息系统,引入需享原则和多级客体的概念,建立了一个面向应用的信息系统多级安全模型,提出信息系统的安全假设,给出了信息系统安全模型的形式化描述.该模型允许信息系统中需要共享信息的部门之间安全地共享信息,同时保持了信息系统的多级安全性.
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关 键 词: | 信息系统 访问控制 安全模型 多级安全 |
Information System Security Model With Sharing |
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Abstract: | To address the problem of protection and sharing of information,the BLP model of stand-alone computer system was extended to information systems with multi-level security,the principle of need-to-share and the notion of multi-level object was introduced,and a multi-level security model of information system for application was developed.Then,some basic security assumptions were proposed,and the formal multi-level security model of information system was presented.The security model allowed the information to be securely shared with the right people and protected from the wrong people,while maintaining the multi-level security of information system. |
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Keywords: | information systems access control security model multi-level security |
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