A region based approach for the identification of hardware Trojans
Banga, M.; Hsiao, M.S.
Hardware-Oriented Security and Trust, 2008. HOST 2008. IEEE International Workshop on
Volume , Issue , 9-9 June 2008 Page(s):40 - 47
Digital Object Identifier   10.1109/HST.2008.4559047
Summary:Outsourcing of SoC fabrication units has created the potential threat of design tampering using hardware Trojans. Methods based on side-channel analysis exist to differentiate such maligned ICs from the genuine ones but process variation in the foundries limit the effectiveness of such approaches. In this work, we propose a circuit partition based approach to detect and locate the embedded Trojan. Results show that our approach is effective in separating out candidate Trojans in the circuit. In addition, we provide a power profile based method for refining the candidate regions that may contain a Trojan. In many cases, such an isolation method leads to noticeable manifestation of the anomalous behavior of the circuit due to the presence of the Trojan thereby enhancing chances of their detection.

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