Exploiting Phase Information in Thermal Scans for Stealthy Trojan Detection

Maxime Cozzi 1 Jean-Marc Galliere 2 Philippe Maurine 1
1 SmartIES - Smart Integrated Electronic Systems
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
2 TEST - TEST
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : Infrared thermography has been recognized for its ability to investigate integrated circuits in a non destructive way. Coupled to lock-in correlation it has proven efficient in detecting thermal hot spots. Most of the state of the Art measurement systems are based on amplitude analysis. In this paper we propose to investigate weak thermal hot spots using the phase of infrared signals. We demonstrate that phase analysis is a formidable alternative to amplitude to detect small heat signatures. Finally, we apply our measurement platform and its detection method to the identification of stealthy hardware Trojans.
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Maxime Cozzi, Jean-Marc Galliere, Philippe Maurine. Exploiting Phase Information in Thermal Scans for Stealthy Trojan Detection. DSD: Digital System Design, Aug 2018, Prague, Slovakia. pp.573-576, ⟨10.1109/DSD.2018.00100⟩. ⟨lirmm-01872499⟩

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