Thread (27 messages) 27 messages, 8 authors, 2018-07-01

Re: [PATCH 3/3] hwrng: msm - Add support for prng v2

From: Herbert Xu <herbert@gondor.apana.org.au>
Date: 2018-07-01 06:27:51
Also in: linux-arm-msm, lkml

On Fri, Jun 29, 2018 at 02:07:32PM +0530, Vinod wrote:
I think Stan did bring this point earlier that PRNG is compliant to
FIPS-140-2. So it can be used by rng clients for various purposes but
should not be fed to dev/random as the hw_random does.

Herbert, can you please confirm..
Yes this is a PRNG.  A hardware RNG should return 1 bit of entropy
per bit of output.

Cheers,
-- 
Email: Herbert Xu [off-list ref]
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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