Re: [dm-crypt] dm-crypt performance

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On 9.4.2013 20:08, Mikulas Patocka wrote:
> 
> 
> On Tue, 26 Mar 2013, Milan Broz wrote:
> 
>> - Are we sure we are not inroducing some another side channel in disc
>> encryption? (Unprivileged user can measure timing here).
>> (Perhaps stupid reason but please do not prefer performance to security
>> in encryption. Enough we have timing attacks for AES implementations...)
> 
> So use serpent - it is implemented without any data-dependent lookup 
> tables, so it has no timing attacks.

I wish using something different than AES is just such simple technical issue
for many people. But e.g. just try it in FIPS mode where AES is the only option:-)

Anyway, using bio_associate_current() seems to be the right way to try now...

Milan

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