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IEICE Trans

Kazuto MATSUO

Skew-Frobenius Maps on Hyperelliptic Curves
Shunji KOZAKI Kazuto MATSUO Yasutomo SHIMBARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/07/01
Vol. E91-A  No. 7  pp. 1839-1843
Type of Manuscript:  LETTER
Category: Cryptography and Information Security
Keyword: 
hyperelliptic curve cryptosystems, scalar multiplications, Frobenius expansions, skew-Frobenius maps, 
 Summary | Full Text:PDF
A Weil Descent Attack against Elliptic Curve Cryptosystems over Quartic Extension Fields
Seigo ARITA Kazuto MATSUO Koh-ichi NAGAO Mahoro SHIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/05/01
Vol. E89-A  No. 5  pp. 1246-1254
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
elliptic curve cryptosystems, hyperelliptic curve cryptosystems, Weil descent attack, Scholten form, Cab curves, 
 Summary | Full Text:PDF
Improvements of Addition Algorithm on Genus 3 Hyperelliptic Curves and Their Implementation
Masaki GONDA Kazuto MATSUO Kazumaro AOKI Jinhui CHAO Shigeo TSUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/01/01
Vol. E88-A  No. 1  pp. 89-96
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Public Key Cryptography
Keyword: 
genus 3 hyperelliptic curves, hyperelliptic curve cryptosystems, addition algorithm, Cantor algorithm, Harley algorithm, Toom's multiplication, 
 Summary | Full Text:PDF
Analysis of Baby-Step Giant-Step Algorithms for Non-uniform Distributions
Koh-ichi NAGAO Shigenori UCHIYAMA Naoki KANAYAMA Kazuto MATSUO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/01/01
Vol. E87-A  No. 1  pp. 10-17
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Fundamental
Keyword: 
baby-step giant-step algorithm, finite group, 
 Summary | Full Text:PDF
Baby Step Giant Step Algorithms in Point Counting of Hyperelliptic Curves
Kazuto MATSUO Jinhui CHAO Shigeo TSUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/05/01
Vol. E86-A  No. 5  pp. 1127-1134
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
hyperelliptic curve cryptosystems, hyperelliptic curves, point counting algorithms, baby step giant step algorithms, Gaudry-Harley scheme, 
 Summary | Full Text:PDF