Re: [PATCH,RFC] random: collect cpu randomness

From: Dave Taht
Date: Thu Feb 06 2014 - 17:22:08 EST

On Thu, Feb 6, 2014 at 5:20 PM, Kees Cook <kees@xxxxxxxxxxx> wrote:
> Hi Jörn,
> On Sun, Feb 02, 2014 at 03:36:17PM -0500, Jörn Engel wrote:
>> Collects entropy from random behaviour all modern cpus exhibit. The
>> scheduler and slab allocator are instrumented for this purpose. How
>> much randomness can be gathered is clearly hardware-dependent and hard
>> to estimate. Therefore the entropy estimate is zero, but random bits
>> still get mixed into the pools.
> Have you seen this work from PaX Team?
> See
> and search for PAX_LATENT_ENTROPY.

The hardware rng world just got easier with the "hashlet".

Kernel driver wanted...

> -Kees
> --
> Kees Cook

Dave Täht

Fixing bufferbloat with cerowrt:
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