Presentation 2003/3/20
Efficient exponentiation on Genus Two Hyperelliptic Curves (II)
Naoyuki TAKAHASHI, Hiroaki MORIMOTO, Atsuko MIYAJI,
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Abstract(in English) Hyperelliptic curve cryptosystems are appraised at next generation public-key cryptosystems instead of elliptic curve cryptosystems. This is why Hyperelliptic curve cryptosystems have begun to attract notice. In hyperelliptic curve exponetiation, a scalar multiplication takes most computation costs. Therefore, to accelerate scalar multiplications are important for realizing efficient exponentiation on Hyperelliptic Curves. In this paper, we study that Mixed coordinates system, which is efficient scalar multiplication method on elliptic curve, is applied a scalar multiplication on genus 2 hyperelliptic curve. And we show conditons of efficient scalar multiplication.
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Keyword(in English) hyperelliptic curve cryptosystems / Genus two / scalar multiplication
Paper # IT2002-87,ISEC2002-145,SST2002-193,ITS2002-170
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Committee ISEC
Conference Date 2003/3/20(1days)
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Registration To Information Security (ISEC)
Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Efficient exponentiation on Genus Two Hyperelliptic Curves (II)
Sub Title (in English)
Keyword(1) hyperelliptic curve cryptosystems
Keyword(2) Genus two
Keyword(3) scalar multiplication
1st Author's Name Naoyuki TAKAHASHI
1st Author's Affiliation School of Information Science, Japan Advanced Institute of Science and Technology (JAIST)()
2nd Author's Name Hiroaki MORIMOTO
2nd Author's Affiliation School of Information Science, Japan Advanced Institute of Science and Technology (JAIST)
3rd Author's Name Atsuko MIYAJI
3rd Author's Affiliation School of Information Science, Japan Advanced Institute of Science and Technology (JAIST)
Date 2003/3/20
Paper # IT2002-87,ISEC2002-145,SST2002-193,ITS2002-170
Volume (vol) vol.102
Number (no) 744
Page pp.pp.-
#Pages 5
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