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
LI Zongxiu; BAO Wansu; WANG Xiang. Research on Elgamal-elliptic Curve Cryptosystem Based on Brier-Joye Formula[J]. Computer Engineering, 2006, 32(23): 153-155,.
李宗秀;鲍皖苏;汪 翔. 基于Brier-Joye的Elgamal 椭圆曲线密码体制研究[J]. 计算机工程, 2006, 32(23): 153-155,.