Optimised versions of the ate and twisted ate pairings

  • Authors:
  • Seiichi Matsuda;Naoki Kanayama;Florian Hess;Eiji Okamoto

  • Affiliations:
  • University of Tsukuba, Japan;University of Tsukuba, Japan;Technische Universität Berlin, Germany;University of Tsukuba, Japan

  • Venue:
  • Cryptography and Coding'07 Proceedings of the 11th IMA international conference on Cryptography and coding
  • Year:
  • 2007

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Abstract

We observe a natural generalisation of the ate and twisted ate pairings, which allow for performance improvements in non standard applications of pairings to cryptography like composite group orders. We also give a performance comparison of our pairings and the Tate, ate and twisted ate pairings for certain polynomial families based on operation count estimations and on an implementation, showing that our pairings can achieve a speedup of a factor of up to two over the other pairings.