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C.5. 常用后安装任务
下面这部分是关于常用后安装任务的论述
C.5.1. 设定随机生成的密钥作为访问加密块设备的附加方法
以下部分论述的是如何生成密钥和添加密钥。
C.5.1.1. 生成密钥
这将在文件
$HOME/keyfile 中生成 256 位密钥。
dd if=/dev/urandom of=$HOME/keyfile bs=32 count=1 chmod 600 $HOME/keyfile
C.5.1.2. 在加密设备中将该密钥添加到可用密钥插槽中
cryptsetup luksAddKey <device> ~/keyfile
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