phc-discussions - Re: [PHC] Best RNG for filling memory?

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Message-ID: <CAHOTMVJiTB7P3GYSP9JQAZqamnJKWR6BBKaEh=wVNsEV62nL9Q@mail.gmail.com>
Date: Wed, 25 Dec 2013 19:10:57 -0800
From: Tony Arcieri <bascule@...il.com>
To: "discussions@...sword-hashing.net" <discussions@...sword-hashing.net>
Subject: Re: [PHC] Best RNG for filling memory?

On Wed, Dec 25, 2013 at 11:27 AM, Samuel Neves <sneves@....uc.pt> wrote:

> hydra7 (Intel Sandy Bridge) seems to have AES-NI implementations, which
>  are still slower than Chacha8:
> http://bench.cr.yp.to/results-stream.html#amd64-hydra7

Nice, thanks for the pointer! It's quite interesting to see ChaCha8 is
indeed faster than AES-128 on these architectures.

I don't really doubt that the AES implementation (which appears to come
from cryptopp) is using AES-NI, but untangling the SUPERCOP source code is
a bit difficult for me.

-- 
Tony Arcieri

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