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arXiv 1302.2123cs.LOcs.CR
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授权逻辑的信念语义

Belief Semantics of Authorization Logic

Andrew K. Hirsch, Michael R. Clarkson

摘要:

授权逻辑已经在计算机安全理论中用于推理访问控制决策。在这项工作中,一个正式的信任语义授权逻辑。证明了信念语义是标准Kripke语义的继承。信念语义产生主体信念的直接表示,而不诉诸于Kripke语义中使用的技术机制。一个证明系统的逻辑,该系统被证明是健全的信念和Kripke语义。信念语义的可靠性证明,以及Kripke语义的变体,在Coq中是机械化的。

英文摘要:

Authorization logics have been used in the theory of computer security to reason about access control decisions. In this work, a formal belief semantics for authorization logics is given. The belief semantics is proved to subsume a standard Kripke semantics. The belief semantics yields a direct representation of principals' beliefs, without resorting to the technical machinery used in Kripke semantics. A proof system is given for the logic; that system is proved sound with respect to the belief and Kripke semantics. The soundness proof for the belief semantics, and for a variant of the Kripke semantics, is mechanized in Coq.

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