Re: [EXTERNAL] Re: What throughput is reasonable?

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On Fri, 2019-04-05 at 20:45 +0000, David Woodhouse wrote:
> > 
> > Cat /proc/crypto | grep module
> > 
> > includes the output "module     : aesni_intel
> > 
> > Does that mean "yes?"
> > 
> > If "not necessarily," let me know how to query that.
> 
> It means the hardware does. Not necessarily the particular piece of
> software we care about though.
> 
> > (and just an academic question:  Is GnuTLS involved in ESP
> > traffic?  Or is
> > that only SSL?)
> 
> Yes, we use the crypto library for that. I'm insane, but not insane
> enough to do my own crypto.

you can verify which cpu optimizations are enabled either when running
openconnect or gnutls-cli benchmark by exporting GNUTLS_DEBUG_LEVEL=3
prior to running it. You'll see something like:

gnutls[2]: Enabled GnuTLS 3.6.7 logging...
gnutls[2]: getrandom random generator was detected
gnutls[2]: Intel SSSE3 was detected
gnutls[2]: Intel AES accelerator was detected
gnutls[2]: Intel GCM accelerator (AVX) was detected

regards,
Nikos



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