Integrated Sensor: A Backdoor for Hardware Trojan InsertionsReport as inadecuate




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1 Télécom ParisTech 2 LTCI - Laboratoire Traitement et Communication de l-Information 3 IIT - Indian Institute of Technology Kharagpur 4 Secure-IC S.A.S

Abstract : Embedded system face a serious threat from physical attacks when applied in critical applications. Therefore, modern systems have several integrated sensors to detect potential threats. In this paper, we put forward a new issue where these sensors can open other security loopholes. We demonstrate that sensors, which are deployed to prevent faults, can be exploited to insert effective and almost zero-overhead hardware Trojans. Two case studies are presented on Xilinx Virtex-5 FPGA. The first case study exploits the in-build temperature sensor of Virtex-5 system monitors while the other exploits a user deployed sensor. Both the sensor can be used to trigger a powerful Trojan with minimal and at times zero overhead.

Keywords : Index Terms—SoC Hardware Trojan Backdoor On-chip Sen-sor System Monitor Cryptographic circuit Advanced Encryp-tion Standard Elliptic curve digital signature algorithm Piret attack Side Channel attack ASK modulation FSK modulation CFGLUT Security test plans





Author: Xuan Thuy Ngo - Zakaria Najm - Shivam Bhasin - Debapriya Basu - Jean-Luc Danger - Sylvain Guilley -

Source: https://hal.archives-ouvertes.fr/



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