diff options
Diffstat (limited to 'include/crypto/internal/skcipher.h')
| -rw-r--r-- | include/crypto/internal/skcipher.h | 122 |
1 files changed, 85 insertions, 37 deletions
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h index 2cf7a61ece59..a21a95e1a375 100644 --- a/include/crypto/internal/skcipher.h +++ b/include/crypto/internal/skcipher.h @@ -19,12 +19,46 @@ struct rtattr; +struct skcipher_instance { + void (*free)(struct skcipher_instance *inst); + union { + struct { + char head[offsetof(struct skcipher_alg, base)]; + struct crypto_instance base; + } s; + struct skcipher_alg alg; + }; +}; + struct crypto_skcipher_spawn { struct crypto_spawn base; }; extern const struct crypto_type crypto_givcipher_type; +static inline struct crypto_instance *skcipher_crypto_instance( + struct skcipher_instance *inst) +{ + return &inst->s.base; +} + +static inline struct skcipher_instance *skcipher_alg_instance( + struct crypto_skcipher *skcipher) +{ + return container_of(crypto_skcipher_alg(skcipher), + struct skcipher_instance, alg); +} + +static inline void *skcipher_instance_ctx(struct skcipher_instance *inst) +{ + return crypto_instance_ctx(skcipher_crypto_instance(inst)); +} + +static inline void skcipher_request_complete(struct skcipher_request *req, int err) +{ + req->base.complete(&req->base, err); +} + static inline void crypto_set_skcipher_spawn( struct crypto_skcipher_spawn *spawn, struct crypto_instance *inst) { @@ -34,6 +68,12 @@ static inline void crypto_set_skcipher_spawn( int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name, u32 type, u32 mask); +static inline int crypto_grab_skcipher2(struct crypto_skcipher_spawn *spawn, + const char *name, u32 type, u32 mask) +{ + return crypto_grab_skcipher(spawn, name, type, mask); +} + struct crypto_alg *crypto_lookup_skcipher(const char *name, u32 type, u32 mask); static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn) @@ -41,54 +81,42 @@ static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn) crypto_drop_spawn(&spawn->base); } -static inline struct crypto_alg *crypto_skcipher_spawn_alg( +static inline struct skcipher_alg *crypto_skcipher_spawn_alg( struct crypto_skcipher_spawn *spawn) { - return spawn->base.alg; + return container_of(spawn->base.alg, struct skcipher_alg, base); } -static inline struct crypto_ablkcipher *crypto_spawn_skcipher( +static inline struct skcipher_alg *crypto_spawn_skcipher_alg( struct crypto_skcipher_spawn *spawn) { - return __crypto_ablkcipher_cast( - crypto_spawn_tfm(&spawn->base, crypto_skcipher_type(0), - crypto_skcipher_mask(0))); + return crypto_skcipher_spawn_alg(spawn); } -int skcipher_null_givencrypt(struct skcipher_givcrypt_request *req); -int skcipher_null_givdecrypt(struct skcipher_givcrypt_request *req); -const char *crypto_default_geniv(const struct crypto_alg *alg); - -struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl, - struct rtattr **tb, u32 type, - u32 mask); -void skcipher_geniv_free(struct crypto_instance *inst); -int skcipher_geniv_init(struct crypto_tfm *tfm); -void skcipher_geniv_exit(struct crypto_tfm *tfm); - -static inline struct crypto_ablkcipher *skcipher_geniv_cipher( - struct crypto_ablkcipher *geniv) +static inline struct crypto_skcipher *crypto_spawn_skcipher( + struct crypto_skcipher_spawn *spawn) { - return crypto_ablkcipher_crt(geniv)->base; + return crypto_spawn_tfm2(&spawn->base); } -static inline int skcipher_enqueue_givcrypt( - struct crypto_queue *queue, struct skcipher_givcrypt_request *request) +static inline struct crypto_skcipher *crypto_spawn_skcipher2( + struct crypto_skcipher_spawn *spawn) { - return ablkcipher_enqueue_request(queue, &request->creq); + return crypto_spawn_skcipher(spawn); } -static inline struct skcipher_givcrypt_request *skcipher_dequeue_givcrypt( - struct crypto_queue *queue) +static inline void crypto_skcipher_set_reqsize( + struct crypto_skcipher *skcipher, unsigned int reqsize) { - return skcipher_givcrypt_cast(crypto_dequeue_request(queue)); + skcipher->reqsize = reqsize; } -static inline void *skcipher_givcrypt_reqctx( - struct skcipher_givcrypt_request *req) -{ - return ablkcipher_request_ctx(&req->creq); -} +int crypto_register_skcipher(struct skcipher_alg *alg); +void crypto_unregister_skcipher(struct skcipher_alg *alg); +int crypto_register_skciphers(struct skcipher_alg *algs, int count); +void crypto_unregister_skciphers(struct skcipher_alg *algs, int count); +int skcipher_register_instance(struct crypto_template *tmpl, + struct skcipher_instance *inst); static inline void ablkcipher_request_complete(struct ablkcipher_request *req, int err) @@ -96,12 +124,6 @@ static inline void ablkcipher_request_complete(struct ablkcipher_request *req, req->base.complete(&req->base, err); } -static inline void skcipher_givcrypt_complete( - struct skcipher_givcrypt_request *req, int err) -{ - ablkcipher_request_complete(&req->creq, err); -} - static inline u32 ablkcipher_request_flags(struct ablkcipher_request *req) { return req->base.flags; @@ -122,5 +144,31 @@ static inline u32 skcipher_request_flags(struct skcipher_request *req) return req->base.flags; } +static inline unsigned int crypto_skcipher_alg_min_keysize( + struct skcipher_alg *alg) +{ + if ((alg->base.cra_flags & CRYPTO_ALG_TYPE_MASK) == + CRYPTO_ALG_TYPE_BLKCIPHER) + return alg->base.cra_blkcipher.min_keysize; + + if (alg->base.cra_ablkcipher.encrypt) + return alg->base.cra_ablkcipher.min_keysize; + + return alg->min_keysize; +} + +static inline unsigned int crypto_skcipher_alg_max_keysize( + struct skcipher_alg *alg) +{ + if ((alg->base.cra_flags & CRYPTO_ALG_TYPE_MASK) == + CRYPTO_ALG_TYPE_BLKCIPHER) + return alg->base.cra_blkcipher.max_keysize; + + if (alg->base.cra_ablkcipher.encrypt) + return alg->base.cra_ablkcipher.max_keysize; + + return alg->max_keysize; +} + #endif /* _CRYPTO_INTERNAL_SKCIPHER_H */ |