[tor-relays] Running tor on OpenBSD with hardware acceleration

Farid Joubbi joubbi at kth.se
Wed Sep 14 11:20:25 UTC 2016


Thank you for the information!
Now I know why.

Do you happen to know if the people on the discussion you linked to came to a conclusion about why OpenBSD relays perform not as well as Linuxes?
Reading the whole thread made me believe that there is probably another bottle neck there too.

________________________________________
From: tor-relays <tor-relays-bounces at lists.torproject.org> on behalf of Carlin Bingham <cb at viennan.net>
Sent: 14 September 2016 12:51
To: tor-relays at lists.torproject.org
Subject: Re: [tor-relays] Running tor on OpenBSD with hardware acceleration

On Wed, Sep 14, 2016 at 08:12:15AM +0000, Farid Joubbi wrote:
> Hello,
>
>
> I have a relay running on OpenBSD.
>
> LibreSSL that comes with OpenBSD does not have support for hardware acceleration.
>
> I get this when I start tor:
>
>
> "[notice] We were built to run on a 64-bit CPU, with OpenSSL 1.0.1 or later, but with a version of OpenSSL that apparently lacks accelerated support for the NIST P-224 and P-256 groups. Building openssl with such support (using the enable-ec_nistp_64_gcc_128 option when configuring it) would make ECDH much faster."
>
>
> How do I enable support for hardware acceleration?
>
> My guess is that I have to compile and install OpenSSL, then compile Tor to use the new OpenSSL.
>
> Does anyone here have any experience with this on OpenBSD?
>
> Anything that I have missed and should be aware of?
>
>
> Thanks.
>
>

It's disabled because various compilers produce incorrect code for it
and no one knows for sure which ones are safe to use.

See also: https://marc.info/?l=openbsd-misc&m=142014109006432&w=2


--
Carlin
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