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Diffstat (limited to 'include/crypto/internal/skcipher.h')
-rw-r--r--include/crypto/internal/skcipher.h122
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 */