crypto: shash - Add shash_attr_alg2 helper
This patch adds the helper shash_attr_alg2 which locates a shash
algorithm based on the information in the given attribute.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index 6cc824b..e2ab35a 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -60,6 +60,8 @@
struct shash_alg *alg,
struct crypto_instance *inst);
+struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
+
static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
{
return crypto_tfm_ctx(&tfm->base);