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On Second-Order Differential Power Analysis

By Marc Joye, Pascal Paillier and Berry Schoenmakers

Abstract

Abstract. Differential Power Analysis (DPA) is a powerful cryptanalytic technique aiming at extracting secret data from a cryptographic device by collecting power consumption traces and averaging over a series of acquisitions. In order to prevent the leakage, hardware designers and software programmers make use of masking techniques (a.k.a. data whitening methods). However, the resulting implementations may still succumb to second-order DPA. Several recent papers studied secondorder DPA but, although the conclusions that are drawn are correct, the analysis is not. This paper fills the gap by providing an exact analysis of second-order DPA as introduced by Messerges. It also considers several generalizations, including an extended analysis in the more general Hammingdistance model

Topics: differential power analysis, secondorder
Year: 2005
OAI identifier: oai:CiteSeerX.psu:10.1.1.363.3282
Provided by: CiteSeerX
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