Note that as the password entry is not readable, the only use of the shadow attributes is to manage password expiration.

注意密码条目是不可读的，shadow 属性的惟一用处就是管理密码的过期问题。

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The MD5 password encryption algorithm further improved security by allowing more robust passwords. An example of a shadow password entry is below.

MD 5密码加密算法支持更为可靠的密码，从而进一步提高了安全性。

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The first section of code below shows how to set up a simple password entry and confirmation program that takes into account the full timing of password entry.

下列代码的第一部分将展示一个简单的密码输入和确认程序，它将计算输入密码的完整时间。

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No wireless LAN access point or complicated ID or password entry is required, and once pictures have been downloaded to the smartphone, it is simple to upload them to social networking sites.

ENGADGET: Fujifilm launches alphabet soup of point-and-shoot, compact and bridge cameras

This would require two steps, the entry of a password as well as another action.

BBC: Technology