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/linux/drivers/crypto/caam/
H A Ddesc.hdiff 358ba762d9f1d4ba99ab31ef12bc28014b22f4c9 Thu Mar 19 17:12:32 CET 2020 Andrey Smirnov <andrew.smirnov@gmail.com> crypto: caam - enable prediction resistance in HRWNG

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
H A Dcaamrng.cdiff 358ba762d9f1d4ba99ab31ef12bc28014b22f4c9 Thu Mar 19 17:12:32 CET 2020 Andrey Smirnov <andrew.smirnov@gmail.com> crypto: caam - enable prediction resistance in HRWNG

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
H A DKconfigdiff 358ba762d9f1d4ba99ab31ef12bc28014b22f4c9 Thu Mar 19 17:12:32 CET 2020 Andrey Smirnov <andrew.smirnov@gmail.com> crypto: caam - enable prediction resistance in HRWNG

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
H A Dregs.hdiff 358ba762d9f1d4ba99ab31ef12bc28014b22f4c9 Thu Mar 19 17:12:32 CET 2020 Andrey Smirnov <andrew.smirnov@gmail.com> crypto: caam - enable prediction resistance in HRWNG

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
H A Dctrl.cdiff 358ba762d9f1d4ba99ab31ef12bc28014b22f4c9 Thu Mar 19 17:12:32 CET 2020 Andrey Smirnov <andrew.smirnov@gmail.com> crypto: caam - enable prediction resistance in HRWNG

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>