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Re: Patch: cprng_fast performance - please review.
On Fri, Apr 18, 2014 at 05:05:37PM -0400, Thor Lancelot Simon wrote:
> On Fri, Apr 18, 2014 at 05:00:50PM -0400, Thor Lancelot Simon wrote:
> > Unfortunately, the virtual machines on this laptop that I use for most
> > NetBSD development don't expose the AES-NI instructions to guests, even
> > when doing hardware assisted virtualization. Not RDRAND neither, for
> So, since I already brought it up: why not use a hardware RNG, like RDRAND,
> for this purpose?
Because the manufactor doesn't make it possible verify the correctness
of the implementation by exposing the *raw* data. Intel has shown that
they can mess up in the past...
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