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List:       nettle-bugs
Subject:    Re: Support for via quadcore SHA512 hw =?utf-8?Q?acceleration?= =?utf-8?Q?=E2=80=8F?=
From:       nisse () lysator ! liu ! se (Niels =?iso-8859-1?Q?M=F6ller?=)
Date:       2013-04-21 8:19:24
Message-ID: nnsj2k2t4j.fsf () stalhein ! lysator ! liu ! se
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Shaun Murphy <shaunmurphy@outlook.com> writes:

> The limited literature for the newer VIA QuadCore E-Series embedded
> platform says that it now supports "Secure Hash Algorithm: SHA-1,
> SHA-256, SHA-384, SHA-512" but I'm not seeing any acceleration for
> SHA512 in the kernel modules or nettle / gnutls.

I think the optimizations you are looking at are in gnutls. Nettle
itself only includes pretty generic x86_64 assembly for these
algorithms. (Support for special code for certain processors, and
runtime selection of the best routines, is desirable, but will most
likely not be implemented soon).

Regards,
/Niels

-- 
Niels Möller. PGP-encrypted email is preferred. Keyid C0B98E26.
Internet email is subject to wholesale government surveillance.

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