With mentality of middleware and the tokencard authentication system, the improved project of GINA and extensional technology on Windows are introduced and a more flexible mecha- nism for the two-factor authentication module is provided.

• 探讨了令牌卡身份认证和及其扩展技术,并利用中间件的思想,提出了Windows操作系统的GINA扩展技术的改进方案,为增加双因素身份验证模块提供了较为灵活的机制。