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crypto: sun8i-ce - Add support for the PRNG

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This patch had support for the PRNG present in the CE.
The output was tested with rngtest without any failure.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Corentin Labbe
2020-09-18 07:23:12 +00:00
committed by Herbert Xu
parent 5c394170d8
commit 5eb7e94688
5 changed files with 261 additions and 1 deletions
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8
drivers/crypto/allwinner/Kconfig
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@@ -69,6 +69,14 @@ config CRYPTO_DEV_SUN8I_CE_HASH
help
Say y to enable support for hash algorithms.
config CRYPTO_DEV_SUN8I_CE_PRNG
bool "Support for Allwinner Crypto Engine PRNG"
depends on CRYPTO_DEV_SUN8I_CE
select CRYPTO_RNG
help
Select this option if you want to provide kernel-side support for
the Pseudo-Random Number Generator found in the Crypto Engine.
config CRYPTO_DEV_SUN8I_SS
tristate "Support for Allwinner Security System cryptographic offloader"
select CRYPTO_SKCIPHER