struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
u32 type, u32 mask);
struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
+struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
void cryptd_free_ahash(struct cryptd_ahash *tfm);
#endif