A New Bit-Serial Architecture for Field Multiplication Using Polynomial Bases

  • Authors:
  • Arash Reyhani-Masoleh

  • Affiliations:
  • Department of Electrical and Computer Engineering, The University of Western Ontario, London, Canada

  • Venue:
  • CHES '08 Proceeding sof the 10th international workshop on Cryptographic Hardware and Embedded Systems
  • Year:
  • 2008

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Abstract

Multiplication is the main finite field arithmetic operation in elliptic curve cryptography and its bit-serial hardware implementation is attractive in resource constrained environments such as smart cards, where the chip area is limited. In this paper, a new serial-output bit-serial multiplier using polynomial bases over binary extension fields is proposed. It generates a bit of the multiplication in each clock cycle with the latency of one cycle. To the best of our knowledge, this is the first time that such a serial-output bit-serial multiplier architecture using polynomial bases for general irreducible polynomials is proposed.