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From: Heinz Diehl <htd@fancy-poultry.org>
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Subject: Re: [dm-crypt] Wrong behavior?
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On 14.07.2010, MkFly wrote:=20

> Well now I'm wondering, does luksFormat use /dev/urandom for
> master-key generation?

Yes, it does.

> =A0If so, is there any way to force it to use
> /dev/random instead (aside from generating a keyfile beforehand and
> luksFormat'ing with --master-key-file)?

If I remember correctly, this has been discussed here before, and one of
the main reasons against using /dev/random was that it's blocking when
it's out of entropy.