An encryption processing circuit includes: a decoder configured to convert a binary input data used for predetermined encryption computing into a first plurality of bit data of a constant hamming weight independently of a hamming weight of the input data; a wiring network configured to receive the first...http://www.google.es/patents/US20080212776?utm_source=gb-gplus-sharePatente US20080212776 - ENCRYPTION PROCESSING CIRCUIT AND ENCRYPTION PROCESSING METHOD
ENCRYPTION PROCESSING CIRCUIT AND ENCRYPTION PROCESSING METHOD
Número de solicitud: 11/934,345 Número de publicación: US 2008/0212776 A1 Fecha de presentación: 2 Nov 2007 Patente emitida: US8155317 ( Fecha de emisión 10 Abr 2012)