Paper 2014/707

Analysis Of Variance and CPA in SCA

Sebastien Tiran and Guillaume Reymond and Jean-Baptiste Rigaud and Driss Aboulkassimi and Benedikt Gierlichs and Mathieu Carbone and Gilles Ducharme and Philippe Maurine

Abstract

This paper introduces Side-Channel Analysis results obtained on an unprotected circuit characterized by a surprisingly non-linear leakage. While in such a case, Correlation Power Analysis is not adapted, we show that a more generic attack, based on the Analysis Of Variance (AOV) outperfoms CPA. It has the advantage of detecting non-linear leakage, unlike Correlation Power Analysis, and of providing similar or much better results in all cases, with a similar computation time.