Re: VIA C3 AES code ?

From: Damian Gerow <dgerow_at_afflictions.org>
Date: Mon, 9 Aug 2004 23:32:47 -0400
Thus spake Will Andrews (will_at_csociety.org) [09/08/04 15:02]:
: On Mon, Aug 09, 2004 at 07:14:45PM +0100, Mark Murray wrote:
: > Yup. It means that if you ask OpenSSL for AES encryptionon a C3 Nehemiah,
: > you get the full HW speed.
: 
: I must be doing something wrong.

I believe that not all Nehemiah's support AES -- only those with Stepping 8
and higher, IIRC.

Yes, it's true.  Here's Google's HTML version:

    <http://64.233.167.104/search?q=cache:7USV0yftf9wJ:www.via.com.tw/en/images/Products/eden/pdf/PadLock_ACE_prog_guide.pdf+Nehemiah+stepping+AES&hl=en>

of the VIA ACE programming guide:

    <http://www.via.com.tw/en/images/Products/eden/pdf/PadLock_ACE_prog_guide.pdf>

If you're not Stepping 8 or higher, you only have the (P)RNG.

  - Damian
Received on Tue Aug 10 2004 - 01:33:04 UTC

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