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Computer Engineering ›› 2006, Vol. 32 ›› Issue (23): 153-155,. doi: 10.3969/j.issn.1000-3428.2006.23.055

• Security Technology • Previous Articles     Next Articles

Research on Elgamal-elliptic Curve Cryptosystem Based on Brier-Joye Formula

LI Zongxiu, BAO Wansu, WANG Xiang   

  1. (Institute of Electronic Technology, PLA Information Engineering University, Zhengzhou 450004)
  • Received:1900-01-01 Revised:1900-01-01 Online:2006-12-05 Published:2006-12-05

基于Brier-Joye的Elgamal 椭圆曲线密码体制研究

李宗秀,鲍皖苏,汪 翔   

  1. (解放军信息工程大学电子技术学院,郑州 450004)

Abstract: This paper analyzes the security of Elgamal elliptic curve cryptosystem with Brier-Joye formula on binary fields, proposes some countermeasures to collision-point attack and gives standards of choosing elliptic curves to resist side channel attack, which make the Brier-Joye formula work well.

Key words: Side channel attack, Collision point, Exceptional point, Elgamal elliptic curve cryptosystem, Brier-Joye formula.

摘要: 对二元域上基于Brier-Joye公式的Elgamal椭圆曲线密码体制的安全性进行了分析,给出了抵抗碰撞点攻击的方法,介绍了Brier-Joye公式抵抗信道攻击的椭圆曲线选择标准。

关键词: 侧信道攻击, 碰撞点, 异常点, Elgamal型椭圆曲线密码, Brier-Joye公式