计算机网络的开放性和虚拟性导致诸多的安全缺陷,远程用户身份认证成为保障用户隐私和安全的关键。基于生物特征的远程认证是认证技术的研究热点。本文总结了目前已有的基于生物特征认证的单服务认证和多服务器认证模式和认证协议具有的问题。 Computer network openness and virtuality lead to many security flaws, remote user authentication has become the key to protect user privacy and security. Biometrics-based remote authentication is the research focus of authentication technology. This article summarizes the existing problems of biometrics-based single-service authentication and multi-server authentication modes and authentication protocols.