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Date: Wed, 11 Jun 2014 13:41:44 -0700 From: "H. Peter Anvin" <hpa@...ux.intel.com> To: Theodore Ts'o <tytso@....edu>, George Spelvin <linux@...izon.com>, linux-kernel@...r.kernel.org, mingo@...nel.org, price@....edu Subject: Re: drivers/char/random.c: More futzing about On 06/11/2014 12:25 PM, Theodore Ts'o wrote: > On Wed, Jun 11, 2014 at 09:48:31AM -0700, H. Peter Anvin wrote: >> While talking about performance, I did a quick prototype of random using >> Skein instead of SHA-1, and it was measurably faster, in part because >> Skein produces more output per hash. > > Which Skein parameters did you use, and how much stack space was > required for it? Skein-512 is described as needing 200 bytes of > state, IIRC (which I assume most of which comes from Threefish key > schedule). > I believe I used Skein-256, but I'd have to dig to find it again. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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