From: NeilBrown <neilb@suse.de>
To: "Ondřej Bílka" <neleai@seznam.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC] AES instead of SHA1 for /dev/urandom
Date: Wed, 12 Dec 2012 20:10:16 +1100 [thread overview]
Message-ID: <20121212201016.5342ce32@notabene.brown> (raw)
In-Reply-To: <20121212085815.GA3151@domone.kolej.mff.cuni.cz>
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On Wed, 12 Dec 2012 09:58:16 +0100 Ondřej Bílka <neleai@seznam.cz> wrote:
> On Wed, Dec 12, 2012 at 01:08:26PM +1100, NeilBrown wrote:
> > On Wed, 12 Dec 2012 03:03:54 +0100 Ondřej Bílka <neleai@seznam.cz> wrote:
> >
> > > I consider to speed-up /dev/urandom on recent intel processors by
> > > using hardware aes. Same for accelerated aes crypto.
> > >
> > > Would you accept a patch if I wrote it?
> >
> > Have you read https://lwn.net/Articles/525459 ?
> >
> Yes
> > In particular the paragraph containing:
> >
> > A member of the audience asked why the kernel couldn't just do away with
> > the existing system and use the HWRNG directly.
> >
> > Does that answer your question in any way?
> >
> No as AES is a HWRNG about as much as horse is type of automobile.
Yes, of course. Thanks.
NeilBrown
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next prev parent reply other threads:[~2012-12-12 9:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-12 2:03 [RFC] AES instead of SHA1 for /dev/urandom Ondřej Bílka
2012-12-12 2:08 ` NeilBrown
2012-12-12 8:58 ` Ondřej Bílka
2012-12-12 9:10 ` NeilBrown [this message]
2013-01-01 22:50 ` Pavel Machek
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