公开(公告)号：EP2002331A1

公开(公告)日：2008-12-17

申请号：EP07734060.2

申请日：2007-03-23

Applicant: Axalto S.A.

Inventor： VIGILANT, David ,  FUMAROLI, Guillaume

IPC: G06F7/72

CPC classification number: G06F7/723 ,  G06F2207/7238 ,  H04L9/003 ,  H04L2209/04

Abstract: The invention relates to a cryptographic mechanism and to a cryptographic device incorporating such cryptographic mechanism. The cryptographic mechanism offers a better resistance to side channel attacks than that of known cryptographic mechanisms by incorporating a new type of masking mechanism.