提出了一种基于智能卡的远程身份认证方案，该方案可应用于多服务器的网络环境。
A new remote identity authentication scheme based on smart card in multi-server Internet services is proposed.
并采用分布式认证方法，支持用户跨域访问应用服务器，有效实现了多域环境下的单点登录。
The SSO across multiple domain is implemented by means of distributed authentication, so the users can access the application server in different do- main.
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