1 results about "Low - observation" patented technology

The hardware Trojan detection method and system based on low activity and low observation node joint analysis belong to the technical field of integrated circuit security, and solve the problem of how to improve the accuracy of identifying high-concealment hardware Trojan; the gate-level netlist is abstracted into a signal propagation directed graph, the nodes in the low activity candidate trigger node set are taken as the starting nodes, the nodes in the low observation candidate load node set are taken as the target nodes, the effective signal propagation path from the starting node to the target node is searched in the directed graph, and if the effective signal propagation path exists, it is determined as a high-risk hardware Trojan potential link; the application proposes a method for identifying high-concealment hardware Trojan potential signal link based on gate-level netlist static analysis, which does not depend on the golden reference model, and does not need to know the Trojan feature library, and is especially suitable for third-party IP core access security detection, backdoor review and logic credibility verification scenes.