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Recent reverse-engineering attempts to steal a competitive design intellectual property (IP) or to identify the device technology in order to counterfeit integrated circuits (ICs) have raised serious concerns in the IC design community. This paper demonstrates that test points - industry-proven design-for-test technology used to enhance the overall design testability - can also be deployed in the...
The emerging security threats in the IC supplychain do not only challenge the chip integrity, but also raiseserious concerns on hardware IP piracy and reverse engineering. The existing register-transfer level (RTL) hardware obfuscationmethods insert a key sequence in the control and data flowto prevent the attacker from accessing the normal operationmode of a chip, rather than protecting the state...
Logic obfuscation can protect designs from reverse engineering and IP piracy. In this paper, a new attack strategy based on applying brute force iteratively to each logic cone is described and shown to significantly reduce the number of brute force key combinations that need to be tried by an attacker. It is shown that inserting key gates based on MUXes is an effective approach to increase security...
The disaggregation of the semiconductor design and manufacturing process has resulted in integrated circuit (IC) piracy becoming an important concern to the semiconductor industry. To address this concern, we present a method for achieving robust IC protection at the circuit level through direct injection of process variations. In the proposed approach, the circuit is enhanced by including process...
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