sparc64: Add SHA224/SHA256 driver making use of the 'sha256' instruction.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 9 insertions, 0 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 167c856f906..4782d840d83 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -454,6 +454,15 @@ config CRYPTO_SHA256
           This code also includes SHA-224, a 224 bit hash with 112 bits
           of security against collision attacks.
 
+config CRYPTO_SHA256_SPARC64
+        tristate "SHA224 and SHA256 digest algorithm (SPARC64)"
+        depends on SPARC64
+        select CRYPTO_SHA256
+        select CRYPTO_HASH
+        help
+          SHA-256 secure hash standard (DFIPS 180-2) implemented
+          using sparc64 crypto instructions, when available.
+
 config CRYPTO_SHA512
         tristate "SHA384 and SHA512 digest algorithms"
         select CRYPTO_HASH