diff options
| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2020-03-19 19:12:32 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-03-30 03:50:50 +0300 |
| commit | 358ba762d9f1d4ba99ab31ef12bc28014b22f4c9 (patch) | |
| tree | 0936b8c327d7c7c465cd19424908376eee572b68 /drivers/crypto/caam/Kconfig | |
| parent | 0544cb75bd7df357c1758b760ecc7709125c139a (diff) | |
| download | linux-358ba762d9f1d4ba99ab31ef12bc28014b22f4c9.tar.xz | |
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>
Diffstat (limited to 'drivers/crypto/caam/Kconfig')
| -rw-r--r-- | drivers/crypto/caam/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/caam/Kconfig b/drivers/crypto/caam/Kconfig index 64f82263b20e..a62f228be6da 100644 --- a/drivers/crypto/caam/Kconfig +++ b/drivers/crypto/caam/Kconfig @@ -13,6 +13,7 @@ config CRYPTO_DEV_FSL_CAAM depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE select SOC_BUS select CRYPTO_DEV_FSL_CAAM_COMMON + imply FSL_MC_BUS help Enables the driver module for Freescale's Cryptographic Accelerator and Assurance Module (CAAM), also known as the SEC version 4 (SEC4). |