多服务器环境下基于椭圆曲线密码的认证协议  

AN ELLIPTIC CURVE CRYPTOGRAPHY BASED AUTHENTICATION SCHEME FOR MULTI-SERVER ENVIRONMENT

作　　者：刘紫瑶 陈建华[1] 韦永霜 LIU Zi-yao;CHEN Jian-hua;WEI Yong-shuang(School of Mathematics and Statistics,Wuhan University,Wuhan 430072,China;The Fifth Electronic Research Institute of Ministry of Industry and Information Technology,Guangzhou 510000,China)

机构地区：[1]武汉大学数学与统计学院,湖北武汉430072 [2]工业和信息化部电子第五研究所,广东广州510000

出　　处：《数学杂志》2024年第3期212-224,共13页Journal of Mathematics

基　　金：国家重点研发计划项目(2021YFB2012205)。

摘　　要：本文研究了多服务器环境下的认证密钥协商协议.通过对Andola等人方案的分析,利用椭圆曲线密码和随机数设计了一种改进的认证密钥协商协议.使用BAN逻辑和非形式化分析方法,对协议进行安全性分析.实验结果表明,所提协议具有更好的安全性和实用性.In this paper,we study the authentication and key agreement protocol for multi-server environment.Through the analysis of the scheme of Andola et al,an improved authentication and key agreement protocol is proposed by using the elliptic curve cryptography and random number.Besides,the security of the improved scheme is proved by BAN logic and the informal security analysis.Experimental results show that the proposed protocol has better security and practicability.

关 键 词：多服务器 椭圆曲线密码 口令 密钥协商 

分 类 号：O29[理学—应用数学]