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有限域F2n上椭圆曲线密码体制的快速实现
Fast Implementation of Elliptic Curve Cryptosystems over a Finite Field F2n
【摘要】 椭圆曲线密码体制高速实现的关键是点的数乘与加法 .为了提高运算速度 ,给出了一种新方法 :用数据库避免有限域的逆运算 ,高速实现了椭圆曲线的加法和点的数乘 .与现有的避免逆运算的最优射影算法相比 ,该算法不但减少了数据膨胀率而且使运算速度有显著提高
【Abstract】 The center to the implementation of elliptic curve cryptosystems efficiently lies in the arithmetic of scalar multiplication and addition. In order to improve their speed of implementation a new method using a database to avoid field inversion is given. The method accelerates scalar multiplication and addition. Compared with the best projective algorithm presently in use this method not only gives higher efficiency but also reduces data expansion.
【关键词】 椭圆曲线密码体制;
有限域F2n;
逆运算;
射影算法;
快速实现;
【Key words】 elliptic curve cryptosystems; finite field F 2 n; arithmetic inversion; projective algorithm; efficient implementaion;
【Key words】 elliptic curve cryptosystems; finite field F 2 n; arithmetic inversion; projective algorithm; efficient implementaion;
- 【文献出处】 北京理工大学学报 ,Journal of Beijing Institute of Technology , 编辑部邮箱 ,2002年04期
- 【分类号】TN918.1
- 【被引频次】4
- 【下载频次】102