Subject: Re: feature request: root file system change
To: None <firstname.lastname@example.org>
From: Matthew Mondor <email@example.com>
Date: 04/17/2005 03:52:12
On Sat, 16 Apr 2005 16:18:40 -0400
Steve Rumble <firstname.lastname@example.org> wrote:
> On Sat, Apr 16, 2005 at 09:58:35PM +0200, Hubert Feyrer wrote:
> > Which reminds me of a question I was asked by a FreeBSD user the other
> > day: How does NetBSD handle /dev/(u?)random running out of running bits
> > while booting? (Doing cgd things that even before running init seems to
> > ask for that situation... :)
> Doesn't urandom never block? In 3.0 cgdconfig has the 'urandomkey'
> generation method that takes advantage of this for early
A possible issue though might be lack of enough entropy to make
/dev/urandom results unpredictable, since the system is just being
initialized and entropy collection is not likely to have occurred much.
To be non-blocking, it would then fall back to generate results similar
to random(3) if necessary, I believe ("degenerates to a pseudo-random
generator"). Of course this might only matter to some extent depending
on your use of CGD
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