[Bug 877] ssh 3.8.1p1 client cannot disable encryption with "-c none"

bugzilla-daemon at mindrot.org bugzilla-daemon at mindrot.org
Tue Jun 8 18:32:52 EST 2004


------- Additional Comments From djm at mindrot.org  2004-06-08 18:32 -------
> Based on these results, I see a 10% improvement in latency - can be 
> significant if X is getting forwarded over an ssh connection. 

If would be if the absolute difference wasn't only 3ms - that well below the
threshold of perception.

> Notice that it doesn't appear that MACs=none is working with this patch. A 
> previous posting mentioned that that is a substantial cause of ovhd.

No, it just demonstrates that the bottleneck for most practical applications
isn't the crypto (which is what we have been saying all along)

BTW you are measuring the absolute wrong thing anyway - the only case where
removal of crypto would have a benefit is high-throughput, low-latency, private

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