Abstract
In the hardware Trojan detection field, destructive reverse engineering and bypass detection are both important methods. This paper proposed an evolutionary algorithm called Ordered Mixed Feature GEP (OMF-GEP), trying to restore the circuit structure only by using the bypass information. This algorithm was developed from the basic GEP through three sets of experiments at different stages. To solve the problem, this paper transformed the GEP by introducing mixed features, ordered genes, and superchromosomes. And the experiment results show that the algorithm is effective.
Highlights
At all stages of the life cycle of integrated circuits (IC), there are security vulnerabilities for hardware in the global business model of semiconductor supply chain
Mixed Features e logic value of a circuit or any kind of bypass information such as voltage and current can be considered as a manifestation of a characteristic of the circuit
Multiple different circuit structures can be obtained for the detection results of any single bypass information
Summary
At all stages of the life cycle of integrated circuits (IC), there are security vulnerabilities for hardware in the global business model of semiconductor supply chain. Is algorithm takes a single-circuit component as a node to form a mixed feature of various logical or physical features of the node. 2. Mixed Features e logic value of a circuit or any kind of bypass information such as voltage and current can be considered as a manifestation of a characteristic of the circuit. Multiple different circuit structures can be obtained for the detection results of any single bypass information. E essence of hardware Trojan horse design is to add additional circuit to normal circuits, but the performance of the whole circuit on some features (the most common is the logic value) is the same as that of the normal circuit, to realize hiding. The logic value of the circuit or any kind of bypass information such as voltage and current is called a feature.
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