[tor-talk] Tor and AES-NI acceleration , and Tor profiling

Nick Mathewson nickm at torproject.org
Wed Nov 9 04:59:24 UTC 2011


On Tue, Nov 8, 2011 at 10:29 AM, Nick Mathewson <nickm at torproject.org> wrote:
> Hmm.  On examination it looks like there might be some uses of
> OpenSSL's AES_encrypt function left around in your profile.  Try
> changing the beginning of Tor's aes.c so that the line that now says:
>
>  #undef USE_OPENSSL_EVP
>
> now says
>
>  #define USE_OPENSSL_EVP
>
> Does that improve matters at all?

See trac issue 4442 for a fuller fix here, and trac issue 4443 for
another opportunity for making our CTR mode faster on x86 and x86_64
systems.

cheers,
-- 
Nick


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