From: Corentin Labbe <clabbe.montjoie@gmail.com>
Subject: Re: [PATCH v2] crypto: sun4i-ss: support the Security System PRNG
Date: Wed, 7 Dec 2016 13:51:27 +0100
Message-ID: <20161207125127.GB28218@Red>
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 <20161205123705.GA10732@gondor.apana.org.au>
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Cc: linux-kernel@vger.kernel.org, wens@csie.org, linux-crypto@vger.kernel.org,
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To: Herbert Xu <herbert@gondor.apana.org.au>
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On Wed, Dec 07, 2016 at 08:09:00PM +0800, Herbert Xu wrote:
> On Mon, Dec 05, 2016 at 01:57:38PM +0100, Corentin Labbe wrote:
> >
> > So how to expose PRNG to user space ? or more generally how to "use" a PRNG ?
> 
> We do have the algif_rng interface.
> 

So I must expose it as a crypto_rng ?

Could you explain why PRNG must not be used as hw_random ?

Regards
Corentin Labbe