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Subject: Re: [PATCH v8 8/8] crypto: caam - limit single JD RNG output to
 maximum of 16 bytes
To:     Andrey Smirnov <andrew.smirnov@gmail.com>,
        "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>
Cc:     Chris Healy <cphealy@gmail.com>,
        Lucas Stach <l.stach@pengutronix.de>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Iuliana Prodan <iuliana.prodan@nxp.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        dl-linux-imx <linux-imx@nxp.com>
References: <20200316150047.30828-1-andrew.smirnov@gmail.com>
 <20200316150047.30828-9-andrew.smirnov@gmail.com>
From:   =?UTF-8?Q?Horia_Geant=c4=83?= <horia.geanta@nxp.com>
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Date:   Tue, 17 Mar 2020 23:56:49 +0200
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On 3/16/2020 5:01 PM, Andrey Smirnov wrote:
> In order to follow recommendation in SP800-90C (section "9.4 The
> Oversampling-NRBG Construction") limit the output of "generate" JD
> submitted to CAAM. See
> https://lore.kernel.org/linux-crypto/VI1PR0402MB3485EF10976A4A69F90E5B0F98580@VI1PR0402MB3485.eurprd04.prod.outlook.com/
> for more details.
> 
> This change should make CAAM's hwrng driver good enough to have 1024
> quality rating.
> 
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> Cc: Chris Healy <cphealy@gmail.com>
> Cc: Lucas Stach <l.stach@pengutronix.de>
> Cc: Horia Geantă <horia.geanta@nxp.com>
> Cc: Herbert Xu <herbert@gondor.apana.org.au>
> Cc: Iuliana Prodan <iuliana.prodan@nxp.com>
> Cc: linux-crypto@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Cc: linux-imx@nxp.com
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>

Thanks,
Horia