[Voyage-linux] geode-aes not being used by OpenSSL?

Kim-man 'Punky' TSE (spam-protected)
Tue Jun 2 09:40:46 HKT 2009


Hi Hans,

Try "modprobe cryptosoft" as well, it makes the difference.

- Punky


Hans Johnson wrote:
> Hi All,
>
> I'm just attempting to get the geode-aes up and running on my ALIX, 
> and am running into some issues.
>
> I have the cryptodev modules loaded, along with ocf, geode_aes, and 
> cryptosoft.
>
> I can verfy that the geode_aes is loaded, as if I run the cryptotest 
> program from the OCF folks, it will do 309mbps of AES-128 with the 
> geode_aes module loaded, and about 40mbps without.
>
> I also have the ocf versions of openssl and libssl (0.9.8g-15ocf) from 
> the voyage archives installed, and get no errors when I run
>
> openssl speed -engine cryptodev -evp aes-128-cbc
>
> And, in fact, openssl seems to report significantly lower performance 
> when geode_aes is enabled, compared to when it is not, which doesn't 
> make much sense to me.
>
> Also, I tried sending 100MB of /dev/zero through an ssh link back to 
> my main server, and was averaging only 3.9MB/s, which is about what 
> you would expect without the hardware crypto.  (The command here is:
>
> ssh -c aes128-cbc root at 10.0.0.1 <mailto:root at 10.0.0.1> dd if=/dev/zero 
> count=102400 bs=1024 > /dev/null
>
> and there is no difference in performance between having geode_aes 
> loaded or not.
>
> I have to admit, I'm a bit puzzled as to what's going on here.
>
> Thanks,
>
> Hans
> -- 
> ---------------------------------------------
> Hans Johnson (hans.johnson at gmail.com <mailto:hans.johnson at gmail.com>)
> B.ASc, Computer Engineering
> Simon Fraser University
>
> ... Si hoc legere scis numium eruditionis habes. -- Anonymous
>
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>   


-- 
Regards,
Punky

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