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A Weil Pairing on a Family of Genus 2 Hyperelliptic Curves with Efficiently Computable Automorphisms

Masahiro ISHII, Atsuo INOMATA, Kazutoshi FUJIKAWA

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Summary :

In this paper, we provided a new variant of Weil pairing on a family of genus 2 curves with the efficiently computable automorphism. Our pairing can be considered as a generalization of the omega pairing given by Zhao et al. We also report the algebraic cost estimation of our pairing. We then show that our pairing is more efficient than the variant of Tate pairing with the automorphism given by Fan et al. Furthermore, we show that our pairing is slightly better than the twisted Ate pairing on Kawazoe-Takahashi curve at the 192-bit security level.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E100-A No.1 pp.62-72
Publication Date
2017/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E100.A.62
Type of Manuscript
Special Section PAPER (Special Section on Cryptography and Information Security)
Category

Authors

Masahiro ISHII
  Tokyo Institute of Technology
Atsuo INOMATA
  Tokyo Denki University
Kazutoshi FUJIKAWA
  Information Initiative Center, Nara Institute of Science and Technology

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