一种新的可视化图形口令

Novel visual graphic password

对用户的认证是系统安全的核心组成部分之一。基于口令的认证是一种最常用的对用户的认证方法。人们往往选取容易记忆的简单口令,但是它们也容易被攻击。有些图形口令免去了人们记忆口令的烦恼,但是它们要求对用户的培训必须秘密进行,这使得用户设置和修改口令比较困难。提出了一种新的图形口令方案,它利用人们随身携带的普通钥匙作为图形口令,用户通过看看屏幕就可以输入口令,试验表明它简单、易于实现,用户使用起来也十分方便。

Authenticating user is a core part of system security. A password is the most common method. People are used to select a simple password, but it is easy to attack. Some graphic passwords do not required hard remember. However, it needs a secure training environment, so the user setup and modify their password difficult. A novel visual graphic password which uses user＇s key as a password is presented. The password is inputted by watching the screen. The experiment proves that it is simple to implement and easy to use.