crypto: arm - add support for SHA-224/256 using ARMv8 Crypto Extensions
This implements the SHA-224/256 secure hash algorithm using the AArch32
versions of the ARMv8 Crypto Extensions for SHA2.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/arch/arm/crypto/Kconfig b/arch/arm/crypto/Kconfig
index d7bc10b..9c1478e 100644
--- a/arch/arm/crypto/Kconfig
+++ b/arch/arm/crypto/Kconfig
@@ -37,6 +37,15 @@
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented
using special ARMv8 Crypto Extensions.
+config CRYPTO_SHA2_ARM_CE
+ tristate "SHA-224/256 digest algorithm (ARM v8 Crypto Extensions)"
+ depends on KERNEL_MODE_NEON
+ select CRYPTO_SHA256
+ select CRYPTO_HASH
+ help
+ SHA-256 secure hash standard (DFIPS 180-2) implemented
+ using special ARMv8 Crypto Extensions.
+
config CRYPTO_SHA512_ARM_NEON
tristate "SHA384 and SHA512 digest algorithm (ARM NEON)"
depends on KERNEL_MODE_NEON