Cryptography Efficient Permutation Instructions for Fast Software

  • Authors:
  • Ruby B. Lee;Zhijie Shi;Xiao Yang

  • Affiliations:
  • -;-;-

  • Venue:
  • IEEE Micro
  • Year:
  • 2001

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Abstract

Performing permutations in software can facilitate more widespread use of secure information processing and faster multimedia processing. But current instruction set architectures, even when augmented with subword-parallel multimedia instructions, do not provide efficient, bit-level software permutations. Four new instructions each offer a solution.