Messages in this thread | | | Date | Tue, 09 Apr 2013 20:59:27 +0200 | From | Milan Broz <> | Subject | Re: [dm-crypt] [dm-devel] 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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