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SubjectRe: [PATCH] crypto: twofish-avx - remove useless instruction
On Thu, 05 Jul 2012, Johannes Goetzfried wrote:
> The register %rdx is written, but never read till the end of the encryption
> routine. Therefore let's delete the useless instruction.

Is it useless, or is it there to harden against some side-channel

"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh

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