Presentation | 2000/7/18 ISEC2000-33 On Counting the Rational Points on Hyperelliptic Curves of genus 2 over Finite Fields Hisayoshi SATO, Masashi TAKAHASHI, |
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Abstract(in English) | When constructing secure hyperelliptic curve cryptosystems, counting the number of rational points on hyperelliptic curve and its jacobian variety defined over finite fields is one of the most important problem. In this paper we propose an effcient method of counting the number of rational points. In this method, we improved the formula for the coefficients (modulo characteristic of defined fields) of the numerator of congruent zeta function which are related to the number of rational points on the Jacobian varieties, in order to implement efficiently. Moreover we report on some experimental results. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | Public key cryptography / Hyperelliptic curve / Discrete logarithm problem / Jacobian variety |
Paper # | ISEC2000-33 |
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Committee | ISEC |
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Conference Date | 2000/7/18(1days) |
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Registration To | Information Security (ISEC) |
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Language | ENG |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | ISEC2000-33 On Counting the Rational Points on Hyperelliptic Curves of genus 2 over Finite Fields |
Sub Title (in English) | |
Keyword(1) | Public key cryptography |
Keyword(2) | Hyperelliptic curve |
Keyword(3) | Discrete logarithm problem |
Keyword(4) | Jacobian variety |
1st Author's Name | Hisayoshi SATO |
1st Author's Affiliation | Systems Development Laboratory, Hitachi, Ltd.() |
2nd Author's Name | Masashi TAKAHASHI |
2nd Author's Affiliation | Systems Development Laboratory, Hitachi, Ltd. |
Date | 2000/7/18 |
Paper # | ISEC2000-33 |
Volume (vol) | vol.100 |
Number (no) | 213 |
Page | pp.pp.- |
#Pages | 8 |
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