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Conference Papers Year : 2012

GF(2^m) Finite-Field Multipliers with Reduced Activity Variations

Abstract

Electrical activity variations in a circuit are one of the information leakage used in side channel attacks. In this work, we present GF(2^m) multipliers with reduced activity variations for asymmetric cryptography. Useful activity of typical multiplication algorithms is evaluated. The results show strong shapes, which can be used as a small source of information leakage. We propose modified multiplication algorithms and multiplier architectures to reduce useful activity variations during an operation.
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Dates and versions

hal-00716655 , version 1 (11-07-2012)

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Danuta Pamula, Arnaud Tisserand. GF(2^m) Finite-Field Multipliers with Reduced Activity Variations. WAIFI - 4th International Workshop on Arithmetic of Finite Fields, Jul 2012, Bochum, Germany. pp.152-167, ⟨10.1007/978-3-642-31662-3_11⟩. ⟨hal-00716655⟩
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