crypto: hash - Export shash through hash
This patch allows shash algorithms to be used through the old hash
interface. This is a transitional measure so we can convert the
underlying algorithms to shash before converting the users across.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 986db68..0105454 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -248,6 +248,11 @@
return __crypto_hash_cast(crypto_spawn_tfm(spawn, type, mask));
}
+static inline void *crypto_hash_ctx(struct crypto_hash *tfm)
+{
+ return crypto_tfm_ctx(&tfm->base);
+}
+
static inline void *crypto_hash_ctx_aligned(struct crypto_hash *tfm)
{
return crypto_tfm_ctx_aligned(&tfm->base);
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index 92fbe73..82b7056 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -39,6 +39,9 @@
int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err);
int crypto_hash_walk_first(struct ahash_request *req,
struct crypto_hash_walk *walk);
+int crypto_hash_walk_first_compat(struct hash_desc *hdesc,
+ struct crypto_hash_walk *walk,
+ struct scatterlist *sg, unsigned int len);
int crypto_register_shash(struct shash_alg *alg);
int crypto_unregister_shash(struct shash_alg *alg);