Recent MAC improvements: Test Results

Damien Miller djm at mindrot.org
Tue Jun 12 08:26:18 EST 2007


On Mon, 11 Jun 2007, Chris Rapier wrote:

> Environment:
> OpenSSH 4.6p1
> 1Gb/s 1.12ms RTT
> Linux 2.6.18-web100 to Linux 2.6.16-web100
> Autotuning enabled. 2.4Ghz Xeon SMP
> 20 iterations of 2GB scp transfer. Disk to /dev/null
> scp -caes256-cbc -P 42222 ~/2gb rapier at delta:/dev/null
> 
> MAC - avg 25.0MB/s (1:22)
> STD - avg 24.0MB/s (1:25)

You will see the difference more clearly if you use a faster cipher,
like aes128-cbc, aes128-ctr or arcfour256.

-d


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