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Date: Sat, 15 Aug 2015 17:13:25 +0300
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: --test-full=0 crashes the Bitcoin format
On Sat, Aug 15, 2015 at 10:07:26PM +0800, Kai Zhao wrote:
> And the AES is also different.
>
> super: Loaded 1 password hash (Bitcoin [SHA512 AES 128/128 AVX 2x])
> my : Loaded 1 password hash (Bitcoin [SHA512 AES 256/256 AVX2 4x])
No. AES does not use SIMD either way. It uses whatever your OpenSSL
provides, and this isn't shown here (could be scalar code or could be
AES-NI, but not SIMD). The 128/128 vs. 256/256 refers to the exact same
thing as AVX vs. AVX2 - it's the bitness of SIMD vectors.
Alexander
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