Welcome to the resource topic for 2014/783
Title:
Parametric Trojans for Fault-Injection Attacks on Cryptographic Hardware
Authors: Raghavan Kumar, Philipp Jovanovic, Wayne Burleson, Ilia Polian
Abstract:We propose two extremely stealthy hardware Trojans that facilitate fault-injection attacks in cryptographic blocks. The Trojans are carefully inserted to modify the electrical characteristics of predetermined transistors in a circuit by altering parameters such as doping concentration and dopant area. These Trojans are activated with very low probability under the presence of a slightly reduced supply voltage (0.001 for 20% V_{dd} reduction). We demonstrate the effectiveness of the Trojans by utilizing them to inject faults into an ASIC implementation of the recently introduced lightweight cipher %ip PRINCE. Full circuit-level simulation followed by differential cryptanalysis demonstrate that the secret key can be reconstructed after around 5 fault-injections.
ePrint: https://eprint.iacr.org/2014/783
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