Sandeep Kumar Christof Paar Jan Pelzl Gerd Pfeiffer Manfred Schimmler COPACOBANA A Cost-Optimized Special-Purpose Hardware for Code-Breaking. 311-312 2006 conf/fccm/2006 FCCM http://doi.ieeecomputersociety.org/10.1109/FCCM.2006.34 db/conf/fccm/fccm2006.html#KumarPPPS06