Faster Point Multiplication on Elliptic Curves with Efficient Endomorphisms

  • Authors:
  • Robert P. Gallant;Robert J. Lambert;Scott A. Vanstone

  • Affiliations:
  • -;-;-

  • Venue:
  • CRYPTO '01 Proceedings of the 21st Annual International Cryptology Conference on Advances in Cryptology
  • Year:
  • 2001

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Abstract

The fundamental operation in elliptic curve cryptographic schemes is the multiplication of an elliptic curve point by an integer. This paper describes a new method for accelerating this operation on classes of elliptic curves that have efficiently-computable endomorphisms. One advantage of the new method is that it is applicable to a larger class of curves than previous such methods. For this special class of curves, a speedup of up to 50% can be expected over the best general methods for point multiplication.