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: 2018-06-21 10:15:22
Also in: linux-arm-msm, lkml

On Thu, Jun 21, 2018 at 12:56:34PM +0300, Stanimir Varbanov wrote:
quoted
Is this really a pseudo-RNG? If so it needs to be moved over to
the algif_rng interface.
Despite the register name (PRNG_ registers prefix) the IP is using FIPS
approved algorithm and we can claim that this is true hardware entropy
generator.
Whether your RNG is a PRNG or not has nothing to do with the
algorithm you use.  No algorithm can generate entropy out of thin
air.

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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