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Logic encryption protects integrated circuits (ICs) against intellectual property (IP) piracy and overbuilding attacks by encrypting the IC with a key. A Boolean satisfiability (SAT) based attack breaks all existing logic encryption technique within few hours. Recently, a defense mechanism known as Anti-SAT was presented that protects against SAT attack, by rendering the SAT-attack effort exponential...
Logic encryption has been a popular defense against Intellectual Property (IP) piracy, hardware Trojans, reverse engineering, and IC overproduction. It protects a design from these threats by inserting key-gates that break the functionality when controlled by wrong keys. Researchers have taken multiple attempts in breaking logic encryption and leaking its secret key, while they also proposed difficult-to-break...
Logic encryption has recently gained interest as a countermeasure against IP piracy and reverse engineering attacks. A secret key is used to lock/encrypt an IC such that the IC will not be functional without being activated with the correct key. Existing attacks against logic encryption are of theoretical and/or algorithmic nature. In this paper, we evaluate for the first time the security of logic...
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