OpenSSH performance with VIA padlock
dtucker at zip.com.au
Wed Nov 19 23:20:42 EST 2008
Jan Klod wrote:
> Hello list,
> please spend a minute considering these facts and maybe there is something to
> 1) VIA Eden based board can write AES256 encrypted information on HDD at >
> 2) iperf shows NIC speed 69MB/s
> 3) openssl tests have even better results
> 4) openssh can transfer AES256 encrypted information at < 27MB/s (and worse
> with HDD encryption)
> It is better with openssh 5.x, than 4.6, but still I see no reason why results
> are so bad... Please, could someone explain? I don't believe, padlock is used
Did you enable OpenSSL engine support when you built OpenSSH?
Try this with 5.1p1, apparently some earlier versions didn't work
properly (I have no such hardware to test).
Also as someone else mentioned, try a faster MAC such as umac64.
Darren Tucker (dtucker at zip.com.au)
GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4 37C9 C982 80C7 8FF4 FA69
Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.
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