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Testing Techniques for Detection of Hardware Trojans in Integrated Circuits of Trusted Systems

Abstract : The world globalization has led the semiconductor industry to outsource design and fabrication phases, making integrated circuits (ICs) potentially more vulnerable to malicious modifications at design or fabrication time: the hardware Trojans (HTs). New efficient testing techniques are thus required to disclose potential slight and stealth HTs, and to ensure trusted devices. This thesis studies possible threats and proposes two new post-silicon testing techniques able to detect HTs implanted after the generation of the IC netlist. The first proposed technique exploits bulk built-in current sensors (BBICS) -- which are originally designed to identify transient faults in ICs -- by using them as testing mechanisms that provide statistically-comparable digital signatures of the devices under test. With only 16 IC samples, the testing technique can detect dopant-level Trojans of zero-area overhead. The second proposition is a non-intrusive technique for detection of gate-level HTs in asynchronous circuits. With this technique, neither additional hardware nor alterations on the original test set-up are required to detect Trojans smaller than 1% of the original circuit. The studies and techniques devised in this thesis contribute to reduce the IC vulnerability to HT, reusing testing mechanisms and keeping security features of original devices.
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Submitted on : Thursday, May 3, 2018 - 3:49:20 PM
Last modification on : Wednesday, October 14, 2020 - 4:20:00 AM
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  • HAL Id : tel-01754790, version 1




Leonel Acunha Guimarães. Testing Techniques for Detection of Hardware Trojans in Integrated Circuits of Trusted Systems. Micro and nanotechnologies/Microelectronics. Université Grenoble Alpes, 2017. English. ⟨NNT : 2017GREAT080⟩. ⟨tel-01754790⟩



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