随着高校网络的发展，校园网络应用系统不断增加，这要求能够提供一个安全、可靠、高效的口令认证系统。本文探讨了认证系统的需求，提出了一套安全可靠高效的口令认证算法，并重点介绍了统一口令认证系统设计与实现的关键技术要点。关键词：口令；认证；认证服务器；Kerberos；RADIUS【Abstract】With the development of Internet, network applications increasing daily, whichstrongly demands a more securely, reliable and efficient Password Based Authentication System. In this paper, we study the requirement of the authentication system and bring out a securely, reliable and efficient password based authentication algorithm, and emphasizes the design and key technology of the authentication system.【Key words】Password; Authentication; Authentication Server; Kerberos; RADIUS