This paper introduced a three-factor authentication mode of network payment which added an authentication code factor on the basis of the traditional dual-factor authentication.

在目前流行的双因素认证的网络支付安全认证模式的基础上，引入动态验证码认证，提出了一种基于三因素认证的网络支付安全认证模式。

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The system USES a dual-factor authentication method and a digital certificate authentication protocol during the process of authentication, which strengthens the security of the system effectively.

在认证过程中，本系统采用双因素认证方法和数字证书强认证协议，有效增强系统的安全性。

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In this way, you achieve a secure two-factor authentication wherein the Kerberos protocol plays a dual role.

在按照这种方式实现的双因素身份验证系统中，Kerberos协议扮演双重角色。

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