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Date: Thu, 1 Nov 2012 00:11:02 -0400
From: Alain Espinosa <>
Subject: Re: DES bitslice sboxs for GPUs (not AMD)

On 10/31/12, Sayantan Datta <> wrote:
> The are in src/nonstd.c .

The sboxs in src/nonstd.c contains ANDN instructions that are not
available in GPUs (if i read and understood the documentation). Of
course we can convert ANDN to a AND plus a NOT, but i guess there are
optimized sboxs without ANDN.


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