Re: How to use hardware support for AES

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On Thu, May 21, 2009 at 11:47 AM,  <ingo.schmitt@xxxxxxxxxxxxxxxxx> wrote:
> I seems that it works only with 128 keys.
>
> see: http://www.mail-archive.com/linux-crypto@xxxxxxxxxxxxxxx/msg02371.html


I have tried using 128 bit aes, but I see no speed up.

I have pasted the output from the terminal here:
http://thomasdamgaard.dk/paste/P1310.html

As you can see the speed is about 5.5MB/s both with and without
geode_aes loaded.

I also tried to use ESSIV, but as you can see at the bottom of my
paste, this failed.

Output from dmesg while doing the above is pasted here:
http://thomasdamgaard.dk/paste/P1311.html

I hope you have some ideas on how to fix this. I have tried various
IRC channels and forums without any luck.

Thanks.

PS.
My kernel is:
Linux fette 2.6.24-24-generic #1 SMP Wed Apr 15 15:54:25 UTC 2009 i586 GNU/Linux
I use Ubuntu Hardy.


Med venlig hilsen/Kind regards
Thomas Damgaard Nielsen
http://thomasdamgaard.dk

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