1 files changed, 143 insertions, 4 deletions

diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index 82b7056..5bfad8c 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -34,6 +34,22 @@ struct crypto_hash_walk {
 	unsigned int flags;
 };
 
+struct ahash_instance {
+	struct ahash_alg alg;
+};
+
+struct shash_instance {
+	struct shash_alg alg;
+};
+
+struct crypto_ahash_spawn {
+	struct crypto_spawn base;
+};
+
+struct crypto_shash_spawn {
+	struct crypto_spawn base;
+};
+
 extern const struct crypto_type crypto_ahash_type;
 
 int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err);
@@ -43,18 +59,100 @@ int crypto_hash_walk_first_compat(struct hash_desc *hdesc,
 				  struct crypto_hash_walk *walk,
 				  struct scatterlist *sg, unsigned int len);
 
+static inline int crypto_hash_walk_last(struct crypto_hash_walk *walk)
+{
+	return !(walk->entrylen | walk->total);
+}
+
+int crypto_register_ahash(struct ahash_alg *alg);
+int crypto_unregister_ahash(struct ahash_alg *alg);
+int ahash_register_instance(struct crypto_template *tmpl,
+			    struct ahash_instance *inst);
+void ahash_free_instance(struct crypto_instance *inst);
+
+int crypto_init_ahash_spawn(struct crypto_ahash_spawn *spawn,
+			    struct hash_alg_common *alg,
+			    struct crypto_instance *inst);
+
+static inline void crypto_drop_ahash(struct crypto_ahash_spawn *spawn)
+{
+	crypto_drop_spawn(&spawn->base);
+}
+
+struct hash_alg_common *ahash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
+
 int crypto_register_shash(struct shash_alg *alg);
 int crypto_unregister_shash(struct shash_alg *alg);
+int shash_register_instance(struct crypto_template *tmpl,
+			    struct shash_instance *inst);
+void shash_free_instance(struct crypto_instance *inst);
+
+int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
+			    struct shash_alg *alg,
+			    struct crypto_instance *inst);
+
+static inline void crypto_drop_shash(struct crypto_shash_spawn *spawn)
+{
+	crypto_drop_spawn(&spawn->base);
+}
+
+struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
+
+int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc);
+int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc);
+int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc);
+
+int crypto_init_shash_ops_async(struct crypto_tfm *tfm);
 
 static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
 {
-	return crypto_tfm_ctx(&tfm->base);
+	return crypto_tfm_ctx(crypto_ahash_tfm(tfm));
+}
+
+static inline struct ahash_alg *__crypto_ahash_alg(struct crypto_alg *alg)
+{
+	return container_of(__crypto_hash_alg_common(alg), struct ahash_alg,
+			    halg);
+}
+
+static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm,
+					    unsigned int reqsize)
+{
+	tfm->reqsize = reqsize;
+}
+
+static inline struct crypto_instance *ahash_crypto_instance(
+	struct ahash_instance *inst)
+{
+	return container_of(&inst->alg.halg.base, struct crypto_instance, alg);
 }
 
-static inline struct ahash_alg *crypto_ahash_alg(
-	struct crypto_ahash *tfm)
+static inline struct ahash_instance *ahash_instance(
+	struct crypto_instance *inst)
 {
-	return &crypto_ahash_tfm(tfm)->__crt_alg->cra_ahash;
+	return container_of(&inst->alg, struct ahash_instance, alg.halg.base);
+}
+
+static inline void *ahash_instance_ctx(struct ahash_instance *inst)
+{
+	return crypto_instance_ctx(ahash_crypto_instance(inst));
+}
+
+static inline unsigned int ahash_instance_headroom(void)
+{
+	return sizeof(struct ahash_alg) - sizeof(struct crypto_alg);
+}
+
+static inline struct ahash_instance *ahash_alloc_instance(
+	const char *name, struct crypto_alg *alg)
+{
+	return crypto_alloc_instance2(name, alg, ahash_instance_headroom());
+}
+
+static inline struct crypto_ahash *crypto_spawn_ahash(
+	struct crypto_ahash_spawn *spawn)
+{
+	return crypto_spawn_tfm2(&spawn->base);
 }
 
 static inline int ahash_enqueue_request(struct crypto_queue *queue,
@@ -80,5 +178,46 @@ static inline void *crypto_shash_ctx(struct crypto_shash *tfm)
 	return crypto_tfm_ctx(&tfm->base);
 }
 
+static inline struct crypto_instance *shash_crypto_instance(
+	struct shash_instance *inst)
+{
+	return container_of(&inst->alg.base, struct crypto_instance, alg);
+}
+
+static inline struct shash_instance *shash_instance(
+	struct crypto_instance *inst)
+{
+	return container_of(__crypto_shash_alg(&inst->alg),
+			    struct shash_instance, alg);
+}
+
+static inline void *shash_instance_ctx(struct shash_instance *inst)
+{
+	return crypto_instance_ctx(shash_crypto_instance(inst));
+}
+
+static inline struct shash_instance *shash_alloc_instance(
+	const char *name, struct crypto_alg *alg)
+{
+	return crypto_alloc_instance2(name, alg,
+				      sizeof(struct shash_alg) - sizeof(*alg));
+}
+
+static inline struct crypto_shash *crypto_spawn_shash(
+	struct crypto_shash_spawn *spawn)
+{
+	return crypto_spawn_tfm2(&spawn->base);
+}
+
+static inline void *crypto_shash_ctx_aligned(struct crypto_shash *tfm)
+{
+	return crypto_tfm_ctx_aligned(&tfm->base);
+}
+
+static inline struct crypto_shash *__crypto_shash_cast(struct crypto_tfm *tfm)
+{
+	return container_of(tfm, struct crypto_shash, base);
+}
+
 #endif	/* _CRYPTO_INTERNAL_HASH_H */