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SubjectRe: [PATCH v9 8/9] crypto: caam - enable prediction resistance in HRWNG
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On 3/19/2020 6:13 PM, Andrey Smirnov wrote:
> Instantiate CAAM RNG with prediction resistance enabled to improve its
> quality (with PR on DRNG is forced to reseed from TRNG every time
> random data is generated).
>
> Management Complex firmware with version lower than 10.20.0
> doesn't provide prediction resistance support. Consider this
> and only instantiate rng when mc f/w version is lower.
>
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> Signed-off-by: Andrei Botila <andrei.botila@nxp.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

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