SMB3 encryption performance

[Andreas Schneider]

On Wednesday 18 February 2015 10:42:39 Andrew Bartlett wrote:
> On Tue, 2015-02-17 at 16:01 +0100, Andreas Schneider wrote:
> > On Sunday 15 February 2015 11:25:16 Volker Lendecke wrote:
> > > On Sat, Feb 14, 2015 at 03:41:46PM -0500, Michael Ledford wrote:
> > > > There are a few libraries that can provide CPU optimization for AES.
> > > > Here are a few which might fit.
> > > > 
> > > > If you are looking for a C based library then libgcrypt
> > > > <http://www.gnu.org/software/libgcrypt/> might be a good choice.
> > > 
> > > Thanks. I've already found libgcrypt, it seems to be part of
> > > the gpg suite. The question I have is broader: libcrypt,
> > > mozilla nss, probably some Kerberos base libs,
> > > open/libressl/, etc all offer AES. What do we want to put
> > > development effort on? Not so much a question to you,
> > > Michael, but rather more to the broader audience here, in
> > > particular for example Simo, Andrew and others involved with
> > > crypto.
> > 
> > Forget libgcrypt, it is one of the most horrible APIs out there. It is
> > simply a pain for every programmer. We have libgcrypt in libssh and I
> > want to get rid of it.
> > 
> > If you prefer something which is LGPL, then use nettle [1]. GnuTLS
> > switched
> > from libgcrypt to libnettle ...
> 
> According to GnuTLS, nettle doesn't have the hardware acceleration,
> sadly, which is why that is rather oddly in the GnuTLS layer.

https://git.lysator.liu.se/nettle/nettle/tree/master/x86_64/aesni


-- 
Andreas Schneider                   GPG-ID: CC014E3D
Samba Team                             asn at samba.org
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