Re: Announce loop-AES-v3.0b file/swap crypto package

[James Morris]

On Wed, 19 Jan 2005, Fruhwirth Clemens wrote:

> I've rewritten some CBC code to fit the facilities I introduce in my LRW
> patch[1]. Here are the results for my P4@xxxxxx:
> 
> loop-aes, CBC: ~30.5mb/s
> dm-crypt, CBC prior to my rewrite: ~23mb/s
> dm-crypt, CBC with my LRW patch: ~27mb/s
> dm-crypt, LRW with my LRW patch: ~27mb/s (slightly faster than CBC)
> 
> As you can see my LRW patches (actually it's the generic scatterwalker
> which is part of the LRW patch set) halves the gap to loop-aes. 

This looks promising.  I wonder if the generic scatterwalker solves the 
null encryption performance problem that was reported a little while back.


- James
-- 
James Morris
<jmorris@xxxxxxxxxx>


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