The key file was generated with encrypted user key to store in the field of …

用户密钥加密运算后生成的密文存入密钥存储表密钥字段，用输入的密钥解此密文。

youdao

S3 USES a user key (a long, random-looking string) and a user password (another random-looking string) to let you store and retrieve files.

S3使用一个键(一个较长的随机字符串)和一个用户密码(另一个随机字符串)来让您存储和检索文件。

youdao

If you've used Rails acts_as_authenticated, you know that a logged-in user will set the value associated with the: user key within the session.

如果使用过Rails acts_as_authenticated，就会知道登录用户会设置与会话中的：user密钥相关联的值。

youdao

The content is encrypted, so even staff at Mega need the user's key to unlock it.

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That way, if a user forgets the key at the office, they can still access the files via the cloud.

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The file groups together a range of content, some of which can only be accessed once the user enters a key.

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