[CRYPTO] sha512: Hardware acceleration for s390

Exploit the System z10 hardware acceleration for SHA512.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 6d2f0c8d419a..ea7b19047270 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -101,6 +101,17 @@ config CRYPTO_SHA256_S390
           This version of SHA implements a 256 bit hash with 128 bits of
           security against collision attacks.
 
+config CRYPTO_SHA512_S390
+        tristate "SHA512 digest algorithm"
+        depends on S390
+        select CRYPTO_ALGAPI
+        help
+          This is the s390 hardware accelerated implementation of the
+          SHA512 secure hash standard.
+
+          This version of SHA implements a 512 bit hash with 256 bits of
+          security against collision attacks.
+
 config CRYPTO_DES_S390
         tristate "DES and Triple DES cipher algorithms"
         depends on S390