Cédric Archambeau Eric Peeters François-Xavier Standaert Jean-Jacques Quisquater Template Attacks in Principal Subspaces. 1-14 2006 conf/ches/2006 CHES http://dx.doi.org/10.1007/11894063_1 db/conf/ches/ches2006.html#ArchambeauPSQ06