针对触发结构的硬件木马设计及检测技术研究

The Design and Detection Method of Conditional Triggered Hardware Trojan

鉴于硬件木马攻击可能带来的巨大危害,硬件木马的信息攻防已成为集成电路发展所面临的新问题,文章对条件触发型硬件木马的设计及检测进行了研究;为模拟灵活触发以及低的触发率,设计并分析了3种不同触发特征的硬件木马,以丰富硬件木马研究样例,通过对触发条件的控制实验,实现了对目标载体特权位的攻击。在硬件木马检测方面,为了尽可能地消除硬件木马的威胁,通过分析触发特征及电路特性,有针对性地提出检测技术,通过仿真及实测验证,表明该检测技术可对硬件木马实现有效检测。

In view of the great threat that the hardware Trojan can bring,the information attack and defense of the hardware Trojan is a new problem in the development of integrated circuit. In this paper,we study the design and detection of conditional trigger hardware Trojan. In the design of hardware Trojan,in order to realize flexible trigger and low false trigger rate in the use of scene,the design method of conditional trigger hardware Trojan is put forward. And three kinds of hardware Trojan with different trigger characteristics are designed and implemented. By controlling the trigger condition, the attack on the privilege bit of the target carrier is realized in the experiment. In the aspect of hardware Trojan detection,in order to eliminate the threat of hardware Trojan as much as possible,a detection technology based on the side-channel analysis is proposed. The experiment shows that this method can detect the hardware Trojan.