Property Specific Information Flow Analysis for Hardware Security Verification

Wei Hu, Armaiti Ardeshiricham, Mustafa S. Gobulukoglu, Xinmu Wang, R. Kastner
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引用次数: 6

Abstract

Hardware information flow analysis detects security vulnerabilities resulting from unintended design flaws, timing channels, and hardware Trojans. These information flow models are typically generated in a general way, which includes a significant amount of redundancy that is irrelevant to the specified security properties. In this work, we propose a property specific approach for information flow security. We create information flow models tailored to the properties to be verified by performing a property specific search to identify security critical paths. This helps find suspicious signals that require closer inspection and quickly eliminates portions of the design that are free of security violations. Our property specific trimming technique reduces the complexity of the security model; this accelerates security verification and restricts potential security violations to a smaller region which helps quickly pinpoint hardware security vulnerabilities.
硬件安全验证的属性特定信息流分析
硬件信息流分析检测由意外设计缺陷、定时通道和硬件木马引起的安全漏洞。这些信息流模型通常以一种通用的方式生成,其中包括与指定的安全属性无关的大量冗余。在这项工作中,我们提出了一种针对属性的信息流安全方法。我们通过执行特定于属性的搜索来识别安全关键路径,从而创建适合于要验证的属性的信息流模型。这有助于发现需要更仔细检查的可疑信号,并快速消除设计中不违反安全规定的部分。我们的属性特定修剪技术降低了安全模型的复杂性;这加快了安全验证,并将潜在的安全违规限制在更小的区域内,从而有助于快速查明硬件安全漏洞。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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