Date: Tue, 9 Mar 2010 22:07:56 +0100 From: Christof Schulze <christof.schulze@gmx.com> To: freebsd-current@freebsd.org Subject: Re: Core i5 AES acceleration Message-ID: <201003092207.57252.christof.schulze@gmx.com> In-Reply-To: <4B93E96B.8090002@gmail.com> References: <4B934015.8000908@gmail.com> <20100307184422.7007747d.nork@FreeBSD.org> <4B93E96B.8090002@gmail.com>
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--nextPart1672159.SyiLE4VSCt Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Am Sunday 07 March 2010 18:59:07 schrieb David Ehrmann: > On 3/7/10 1:44 AM, Norikatsu Shigemura wrote: > > Hi Devid and Julian. > > > > On Sat, 06 Mar 2010 22:10:28 -0800 > > > > Julian Elischer<julian@elischer.org> wrote: > >> David Ehrmann wrote: > >>> Does FreeBSD currently support cryptographic acceleration for AES on > >>> the Core i5 CPU? I searched, but couldn't find anything, and the > >>> crypto(4) manpage only lists these divers in "see also:" > >> > >> no, but if you write a driver for it we will... :-) > >> (most things in open source happen because someone needs it.) > > > > I found Linux's code: http://lwn.net/Articles/311094/ > > I think that it looks too easy, maybe, we should implement aesni(4) > > like padlock(4). >=20 > I was thinking that if I did do it, I'd start with padlock as a base. > It looks like there are maybe 6 new opcodes. Maybe we could ask the > contributor of the Linux code (an Intel employee) if he'd be willing to > also release the code under a BSD license. >=20 > My problem is that I don't have a Core i5 system--I was asking because > it's an option for my new system--and I'm far from an x86 assembly expert. I am willing to test - I have a p660 Christof =2D-=20 () ascii ribbon campaign - against html e-mail=20 /\ www.asciiribbon.org - against proprietary attachments --nextPart1672159.SyiLE4VSCt Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEABECAAYFAkuWuK0ACgkQpZfyPAmdZJnpbACfQ5ZmbrpiucqC5F/eZSt19srW k5cAoI+TZEW/4q0CH3o5hUdtTxSjotNv =ioUi -----END PGP SIGNATURE----- --nextPart1672159.SyiLE4VSCt--
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