This change is dynamic throughout the session, and is not limited to information available at authentication time.

此更改是在会话过程中动态更改的，而不仅限于进行身份验证时可用的信息。

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The time necessary for making a supplement to or re-collecting the authentication materials in the process of authentication shall not be counted in the authentication time limit.

在鉴定过程中补充或者重新提取鉴定材料所需的时间，不计入鉴定时限。

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Disabling authentication would save even more time, though most systems require authentication.

禁用认证可以节省更多的时间，但是大多数系统都要求认证。

youdao

Most of these transactions involve SMS based payments, direct mobile billing using PIN and one time password authentication and mobile web payments.

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The most obvious one to adopt appears to be the user authentication and OTP (one-time-password) that has been in existence for some time and has seen a fair degree of success in preventing fraud.

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In addition to capturing regular passwords, man-in-the-middle attacks can be used to intercept one-time passcodes offered by traditional two-factor authentication systems.

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