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Title:
Bellcore attack in practice
Authors: Andrey Sidorenko, Joachim van den Berg, Remko Foekema, Michiel Grashuis, Jaap de Vos
Abstract:In this paper we analyze practical aspects of the differential fault attack on RSA published by Boneh, Demillo and Lipton from Bellcore. We focus on the CRT variant, which requires only one faulty signature to be entirely broken provided that no DFA countermeasures are in use. Usually the easiest approach for the attacker is to introduce a fault in one of the two RSA-CRT exponentiations. These are time-consuming and often clearly visible in the power profiles. However, protection of the exponentiations against faults does not always circumvent the Bellcore attack. Our goal is to investigate and classify other possible targets of the attack.
ePrint: https://eprint.iacr.org/2012/553
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