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Date: Thu, 27 May 2010 20:21:11 +0200
From: Milan Broz <mbroz@redhat.com>
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Subject: Re: [dm-crypt] miscellaneous dm-crypt/LUKS/cryptsetup questions
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To: Mario 'BitKoenig' Holbe <Mario.Holbe@TU-Ilmenau.DE>
Cc: dm-crypt@saout.de

On 05/27/2010 06:21 PM, Mario 'BitKoenig' Holbe wrote:
> Milan Broz <mbroz@redhat.com> wrote:
>> (read from /dev/random can return if there is not enough entropy, it needs
> 
> Nope. It blocks.

yep, you are right :)

The problem is that can wait very long time, so it should inform user that system
is out of entropy and ask for some action etc.
This should be part of the RNG handler in cryptsetup if using /dev/random is supported.

Milan