Re: drivers/char/random.c: More futzing about

From: H. Peter Anvin
Date: Wed Jun 11 2014 - 16:41:52 EST


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@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/