Redundant Representation of Finite Fields

  • Authors:
  • Willi Geiselmann;Harald Lukhaub

  • Affiliations:
  • -;-

  • Venue:
  • PKC '01 Proceedings of the 4th International Workshop on Practice and Theory in Public Key Cryptography: Public Key Cryptography
  • Year:
  • 2001

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Abstract

A redundant representation of finite fields with 2n elements is presented. It unifies the advantages of polynomial and normal bases by the cost of redundancy. The arithmetic, especially exponentiation, in this representation is perfectly suited for low power computing: multiplication can be built up with reversible gates very efficient and squaring is a cyclic shift.