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集成电路芯片在不受控的制造过程中可能会被嵌入恶意电路结构,形成硬件木马,给集成电路芯片的可信度带来极大的安全隐患。传统的测试技术很难发现这些硬件木马。针对这一问题,提出一种基于马氏距离的非破坏性硬件木马检测方法。通过对128位AES(Advanced Encryption Standard)加密电路的功耗仿真实验,对该方法进行验证。实验结果表明,基于马氏距离的硬件木马检测方法能够检测出面积比AES电路小2个数量级的硬件木马。
In the uncontrolled manufacturing process, the integrated circuit chip may be embedded in a malicious circuit structure to form a hardware Trojan, which brings great potential safety hazard to the reliability of the integrated circuit chip. Traditional test technology is difficult to find these hardware Trojans. To solve this problem, this paper proposes a non-destructive hardware Trojan detection method based on Mahalanobis distance. This method is validated by the power consumption simulation experiment of 128-bit Advanced Encryption Standard (AES) encryption circuit. The experimental results show that the hardware Trojan detection method based on Mahalanobis distance can detect the hardware Trojan whose area is 2 orders of magnitude smaller than the AES circuit.