Re: [PATCH 0/2] Add support for Qualcomm's PRNG

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On Thu, Oct 03, 2013 at 05:52:33PM +0300, Stanimir Varbanov wrote:
> This patch set adds hardware RNG driver wich is used to control the
> Qualcomm's PRNG hardware block.
> The first patch document the DT bindings needed to sucessfuly probe
> the driver and the second patch adds the driver.

Is this really a PRNG (pseudo-random number generator)?  What are the
guarantees which Qualcomm is providing for the PRNG?  If it's really a
PRNG such as AES(i++, NSA_KEY), then kudo to Qualcomm for being
honest.

If it is supposed to be (or at least claimed to be) a secure random
number generator ala RDRAND suitable for use in cryptographic
applications, calling it a PRNG is going to be a bit misleading.

Cheers,

						- Ted
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