摘要： 椭圆曲线密码体制以其特有的优越性被广泛用于进行数据加密和构建数字签名方案。同样，它也可以用来构建用户身份认证方案。设计了一个新的基于椭圆曲线上的用户身份认证方案，这种方案的安全性是建立在目前还没有有效的攻击方法的有限域上非超奇异椭圆曲线的椭圆曲线离散对数问题之上的，从理论上分析该方案是安全的，并具有一定的实用价值。

关键词: 椭圆曲线密码体制, 椭圆曲线离散对数, 用户认证

Abstract: The elliptic curve cryptosystem is far and wide used to encrypt information and construct digital signature scheme by its speciality. Also it can be used to construct the user authentication scheme. This paper proposes a new user authentication scheme based on the elliptic curve cryptosystem. The safety of this scheme is based on the elliptic curve discrete logarithm of non-supersingular elliptic curve over finite field which has no efficient attack method by now. The new scheme is secure in theory and is suitable for some practice.

中图分类号: 

• TP309