[gnutls-help] Support for via quadcore SHA512 hw acceleration

Nikos Mavrogiannopoulos nmav at gnutls.org
Sun Apr 21 12:22:13 CEST 2013

On Sat, Apr 20, 2013 at 10:23 PM, Daniel Kahn Gillmor
<dkg at fifthhorseman.net> wrote:
> On 04/20/2013 01:48 PM, Shaun Murphy wrote:
>> 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 gnutls. I would appreciate some pointers on what I need to do to access that SHA512 acceleration in gnutls.
>> Here's my setup:Via Artigo A1250 Ubuntu 12.04 x86_64Gnutls - built from git (built nettle from source, everything else installed from apt)Kernel modules: padlock_aes, padlock_sha
> I suggest following up on the nettle mailing list about this; gnutls
> should be able to use whatever acceleration nettle can provide:

Unfortunately that is not the case, even though I'd prefer that :(
Nettle does not provide accelerated code for AES-NI and via padlock,
thus that is currently done in gnutls.


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