Messages in this thread | | | Date | Fri, 6 Jul 2012 02:13:00 +0200 | From | Johannes Goetzfried <> | Subject | Re: [PATCH] crypto: twofish-avx - remove useless instruction |
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On Thu, Jul 05, 2012 at 08:46:12PM -0300, Henrique de Moraes Holschuh wrote: > Is it useless, or is it there to harden against some side-channel > attack?
When writing this implementation, I first had a different approach with more data getting read in and I just forgot to delete this instruction in the end. The instruction didn't have any purpose regarding side-channel attacks. In the decryption routine the instruction has been correctly deleted in the same place.
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