Re: Performance and safety of AES256-'multi-key-v3' versus AES128-v1

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Jari Ruusu wrote:
Petersen wrote:

I made a drive using this setup:

offset=8192 encryption=AES256 multi-key-v3

Now, throughput on my rather weak Linux-running pentium 200MHz fell when
upgrading from plain v1-AES128.  This is not surprising; however
multikey-v3 also eats more processing power, am I right?


multikey v2 and v3 eat more processing power than v1.
AES256 eats more processing power than AES128.


Is AES128 safe enough in your mind Jari; I see you use it in your
examples in the README.


I use AES128 myself.

So that's <safe>?


Downgrading would give me better performance I suppose.


Yep.



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