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For reasons of economy, critical systems will inevitably depend on electronics made in untrusted factories. A proposed new hardware Trojan taxonomy provides a first step in better understanding existing and potential threats.
Editor's note:Today's integrated circuits are vulnerable to hardware Trojans, which are malicious alterations to the circuit, either during design or fabrication. This article presents a classification of hardware Trojans and a survey of published techniques for Trojan detection.
Chip design and fabrication is becoming increasingly vulnerable to malicious activities and alternations with globalization. An adversary can introduce a Trojan designed to disable and/or destroy a system at some future time (Time Bomb) or the Trojan may serve to leak confidential information covertly to the adversary. This paper proposes a taxonomy for Trojan classification and then describes a statistical...
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