diff options
Diffstat (limited to 'include/crypto/internal/hash.h')
| -rw-r--r-- | include/crypto/internal/hash.h | 90 |
1 files changed, 51 insertions, 39 deletions
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h index bfc9db7b100d..89f6f46ab2b8 100644 --- a/include/crypto/internal/hash.h +++ b/include/crypto/internal/hash.h @@ -30,11 +30,25 @@ struct crypto_hash_walk { }; struct ahash_instance { - struct ahash_alg alg; + void (*free)(struct ahash_instance *inst); + union { + struct { + char head[offsetof(struct ahash_alg, halg.base)]; + struct crypto_instance base; + } s; + struct ahash_alg alg; + }; }; struct shash_instance { - struct shash_alg alg; + void (*free)(struct shash_instance *inst); + union { + struct { + char head[offsetof(struct shash_alg, base)]; + struct crypto_instance base; + } s; + struct shash_alg alg; + }; }; struct crypto_ahash_spawn { @@ -45,8 +59,6 @@ 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); int crypto_hash_walk_first(struct ahash_request *req, struct crypto_hash_walk *walk); @@ -70,12 +82,11 @@ static inline int crypto_ahash_walk_last(struct crypto_hash_walk *walk) } int crypto_register_ahash(struct ahash_alg *alg); -int crypto_unregister_ahash(struct ahash_alg *alg); +void crypto_unregister_ahash(struct ahash_alg *alg); int crypto_register_ahashes(struct ahash_alg *algs, int count); void crypto_unregister_ahashes(struct ahash_alg *algs, int count); int ahash_register_instance(struct crypto_template *tmpl, struct ahash_instance *inst); -void ahash_free_instance(struct crypto_instance *inst); int shash_no_setkey(struct crypto_shash *tfm, const u8 *key, unsigned int keylen); @@ -85,37 +96,51 @@ static inline bool crypto_shash_alg_has_setkey(struct shash_alg *alg) return alg->setkey != shash_no_setkey; } +static inline bool crypto_shash_alg_needs_key(struct shash_alg *alg) +{ + return crypto_shash_alg_has_setkey(alg) && + !(alg->base.cra_flags & CRYPTO_ALG_OPTIONAL_KEY); +} + bool crypto_hash_alg_has_setkey(struct hash_alg_common *halg); -int crypto_init_ahash_spawn(struct crypto_ahash_spawn *spawn, - struct hash_alg_common *alg, - struct crypto_instance *inst); +int crypto_grab_ahash(struct crypto_ahash_spawn *spawn, + struct crypto_instance *inst, + const char *name, u32 type, u32 mask); 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); +static inline struct hash_alg_common *crypto_spawn_ahash_alg( + struct crypto_ahash_spawn *spawn) +{ + return __crypto_hash_alg_common(spawn->base.alg); +} int crypto_register_shash(struct shash_alg *alg); -int crypto_unregister_shash(struct shash_alg *alg); +void crypto_unregister_shash(struct shash_alg *alg); int crypto_register_shashes(struct shash_alg *algs, int count); -int crypto_unregister_shashes(struct shash_alg *algs, int count); +void crypto_unregister_shashes(struct shash_alg *algs, int count); int shash_register_instance(struct crypto_template *tmpl, struct shash_instance *inst); -void shash_free_instance(struct crypto_instance *inst); +void shash_free_singlespawn_instance(struct shash_instance *inst); -int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn, - struct shash_alg *alg, - struct crypto_instance *inst); +int crypto_grab_shash(struct crypto_shash_spawn *spawn, + struct crypto_instance *inst, + const char *name, u32 type, u32 mask); 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); +static inline struct shash_alg *crypto_spawn_shash_alg( + struct crypto_shash_spawn *spawn) +{ + return __crypto_shash_alg(spawn->base.alg); +} int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc); int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc); @@ -143,13 +168,13 @@ static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm, static inline struct crypto_instance *ahash_crypto_instance( struct ahash_instance *inst) { - return container_of(&inst->alg.halg.base, struct crypto_instance, alg); + return &inst->s.base; } static inline struct ahash_instance *ahash_instance( struct crypto_instance *inst) { - return container_of(&inst->alg, struct ahash_instance, alg.halg.base); + return container_of(inst, struct ahash_instance, s.base); } static inline void *ahash_instance_ctx(struct ahash_instance *inst) @@ -157,17 +182,6 @@ 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_instance(name, alg, ahash_instance_headroom()); -} - static inline void ahash_request_complete(struct ahash_request *req, int err) { req->base.complete(&req->base, err); @@ -204,26 +218,24 @@ static inline void *crypto_shash_ctx(struct crypto_shash *tfm) static inline struct crypto_instance *shash_crypto_instance( struct shash_instance *inst) { - return container_of(&inst->alg.base, struct crypto_instance, alg); + return &inst->s.base; } static inline struct shash_instance *shash_instance( struct crypto_instance *inst) { - return container_of(__crypto_shash_alg(&inst->alg), - struct shash_instance, alg); + return container_of(inst, struct shash_instance, s.base); } -static inline void *shash_instance_ctx(struct shash_instance *inst) +static inline struct shash_instance *shash_alg_instance( + struct crypto_shash *shash) { - return crypto_instance_ctx(shash_crypto_instance(inst)); + return shash_instance(crypto_tfm_alg_instance(&shash->base)); } -static inline struct shash_instance *shash_alloc_instance( - const char *name, struct crypto_alg *alg) +static inline void *shash_instance_ctx(struct shash_instance *inst) { - return crypto_alloc_instance(name, alg, - sizeof(struct shash_alg) - sizeof(*alg)); + return crypto_instance_ctx(shash_crypto_instance(inst)); } static inline struct crypto_shash *crypto_spawn_shash( |