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Re: Use /dev/random before encrypting disks?
- From: Bruno Wolff III <bruno wolff to>
- To: Alexander Todorov <atodorov redhat com>
- Cc: Discussion of Development and Customization of the Red Hat Linux Installer <anaconda-devel-list redhat com>
- Subject: Re: Use /dev/random before encrypting disks?
- Date: Tue, 5 Feb 2008 10:00:48 -0600
On Tue, Feb 05, 2008 at 10:23:47 +0100,
Alexander Todorov <atodorov redhat com> wrote:
> Hello all,
> in many disk encryption resources on the web the user is given an advice
> to use /dev/random to populate the disk before he sets up the encryption
> process. This is said to increase entropy and recommended for brand
> new disks.
You'd probably need to use /dev/urandom unless you wanted to wait a very
long time.
Another option would be to use AES in counter mode.
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