基于矢积的远程口令鉴别方案

Remote Scheme for Password Authentication Based on Cross Product

本文提出了一种基于矢积的远程口令鉴别方案 .本方案中 ,合法用户在智能卡初始化时可以自由地选取自己的口令 .用户利用智能卡以及口令便可成功地登录到远程系统 .根据分析 ,攻击者不能从公开或传送的信息中获得用户秘密信息 ,也不能冒充别的合法用户 .此外 ,本方案还能抵抗登录请求的重播 .本方案所需的计算量大大地小于C

A remote password authentication scheme based on cross product is proposed in this paper.In this scheme,any legal user can freely choose his own password in the card initialization phase.Using his password and smart card,he can then log into the remote system successfully.According to the analysis,intruders can not obtain any secret information from the public information or transmitted messages and impersonate another legal user.In addition,this scheme can withstand the attack of replaying previously intercepted log in requests.The amount of computation in this scheme are smaller than that in C H scheme.