文件名称:
A Logical Specification and Analysis for SELinux MLS Policy
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文件大小: 245kb
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上传时间: 2012-01-20
详细说明： ABSTRACT The SELinux mandatory access control (MAC) policy has recently added a multi-level security (MLS) model which is able to express a fine granularity of control over a subject’s access rights. The problem is that the richness of this policy makes it impractical to verify, by hand, that a given policy has certain important information flow properties or is compliant with another policy. To address this, we have modeled the SELinux MLS policy using a logical specification and implemented that specification in the Prolog lan guage. Furthermore, we have developed some analyses for testing the properties of a given policy as well an algorithm to determine whether one policy is compliant with another. We have implemented these analyses in Prolog and compiled our implementation into a tool for SELinux MLS policy analysis, called PALMS. Using PALMS, we verified some important properties of the SELinux MLS reference policy, namely that it satisfies the simple security condition and ?-property defined by Bell and LaPadula [2]. ...展开收缩
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