文章摘要
卢新元* ** ***,许超****,陈华军****,章隆兵* ** ***,王玥*****.可调节跳变概率硬件木马检测方法[J].高技术通讯(中文),2022,32(2):111~121
可调节跳变概率硬件木马检测方法
Hardware Trojan detection method with adjustable transition probability
  
DOI:10.3772/j.issn.1002-0470.2022.02.001
中文关键词: 硬件木马; 跳变概率; 稀有节点; 二路选择器; 加速木马检测结构
英文关键词: hardware Trojan, transition probability, rare node, 2-to-1 MUX, accelerate Trojan detection structure
基金项目:
作者单位
卢新元* ** ***  
许超****  
陈华军****  
章隆兵* ** ***  
王玥*****  
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中文摘要:
      研究了芯片设计和制造过程中的硬件木马植入方法和检测技术,考虑到现有的检测方法存在木马激活时间较长或面积开销较大的问题,提出一种可调节跳变概率的加速硬件木马检测方法。该方法根据电路拓扑结构,采用权值替换策略动态选择插入实现跳变概率调节的二路选择器的顺序,提高电路中稀有节点的跳变概率,降低木马激活时间,加速硬件木马检测,优化了面积开销。在ISCAS’89基准电路的实验结果表明,同现有的加速木马检测方法相比,本文方法的面积开销节省了44.1%~68.9%,稀有节点的平均跳变概率提高了19.0%~49.1%,且电路规模越大,效果越明显。
英文摘要:
      The hardware Trojan implementation and detection methods in the design and fabrication process of integrated circuit are studied,and an acceleration method of hardware Trojan detection with adjustable transition probability is proposed to avoid long Trojan activation time and large area overhead. According to the topology structure of circuit, the method adopts the weight replacement strategy to dynamically select the order of inserting the 2-to-1 multiplexers (2-to-1 MUX) that adjust transition probability, improves the transition probability of rare nodes in the circuit, reduces the activation time of hardware Trojan, accelerates hardware Trojan detection, and optimizes area overhead. The results of the test conducted on ISCAS’89 platform demonstrate that the average transition probability of rare nodes is increased by 19.0% to 49.1% and the area overhead is reduced by 44.1% to 68.9%compared with the existing acceleration methods of Trojan detection, and optimization effect of the proposed method is more obvious for large scale circuits.
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