The present invention provides permutation instructions usable in a programmable processor for solving permutation problems in cryptography, multimedia and other applications. PPERM and PPERM3R instructions are defined to perform permutations by a sequence of instructions with each sequence specifying...http://www.google.es/patents/US7174014?utm_source=gb-gplus-sharePatente US7174014 - Method and system for performing permutations with bit permutation instructions
Method and system for performing permutations with bit permutation instructions
