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Diffstat (limited to 'include/crypto/internal/skcipher.h')
-rw-r--r--include/crypto/internal/skcipher.h130
1 files changed, 90 insertions, 40 deletions
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
index fb3d9e899f..7ae42afdcf 100644
--- a/include/crypto/internal/skcipher.h
+++ b/include/crypto/internal/skcipher.h
@@ -36,10 +36,25 @@ struct skcipher_instance {
};
};
+struct lskcipher_instance {
+ void (*free)(struct lskcipher_instance *inst);
+ union {
+ struct {
+ char head[offsetof(struct lskcipher_alg, co.base)];
+ struct crypto_instance base;
+ } s;
+ struct lskcipher_alg alg;
+ };
+};
+
struct crypto_skcipher_spawn {
struct crypto_spawn base;
};
+struct crypto_lskcipher_spawn {
+ struct crypto_spawn base;
+};
+
struct skcipher_walk {
union {
struct {
@@ -80,6 +95,12 @@ static inline struct crypto_instance *skcipher_crypto_instance(
return &inst->s.base;
}
+static inline struct crypto_instance *lskcipher_crypto_instance(
+ struct lskcipher_instance *inst)
+{
+ return &inst->s.base;
+}
+
static inline struct skcipher_instance *skcipher_alg_instance(
struct crypto_skcipher *skcipher)
{
@@ -87,11 +108,23 @@ static inline struct skcipher_instance *skcipher_alg_instance(
struct skcipher_instance, alg);
}
+static inline struct lskcipher_instance *lskcipher_alg_instance(
+ struct crypto_lskcipher *lskcipher)
+{
+ return container_of(crypto_lskcipher_alg(lskcipher),
+ struct lskcipher_instance, alg);
+}
+
static inline void *skcipher_instance_ctx(struct skcipher_instance *inst)
{
return crypto_instance_ctx(skcipher_crypto_instance(inst));
}
+static inline void *lskcipher_instance_ctx(struct lskcipher_instance *inst)
+{
+ return crypto_instance_ctx(lskcipher_crypto_instance(inst));
+}
+
static inline void skcipher_request_complete(struct skcipher_request *req, int err)
{
crypto_request_complete(&req->base, err);
@@ -101,21 +134,36 @@ int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn,
struct crypto_instance *inst,
const char *name, u32 type, u32 mask);
+int crypto_grab_lskcipher(struct crypto_lskcipher_spawn *spawn,
+ struct crypto_instance *inst,
+ const char *name, u32 type, u32 mask);
+
static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn)
{
crypto_drop_spawn(&spawn->base);
}
-static inline struct skcipher_alg *crypto_skcipher_spawn_alg(
- struct crypto_skcipher_spawn *spawn)
+static inline void crypto_drop_lskcipher(struct crypto_lskcipher_spawn *spawn)
+{
+ crypto_drop_spawn(&spawn->base);
+}
+
+static inline struct lskcipher_alg *crypto_lskcipher_spawn_alg(
+ struct crypto_lskcipher_spawn *spawn)
{
- return container_of(spawn->base.alg, struct skcipher_alg, base);
+ return container_of(spawn->base.alg, struct lskcipher_alg, co.base);
}
-static inline struct skcipher_alg *crypto_spawn_skcipher_alg(
+static inline struct skcipher_alg_common *crypto_spawn_skcipher_alg_common(
struct crypto_skcipher_spawn *spawn)
{
- return crypto_skcipher_spawn_alg(spawn);
+ return container_of(spawn->base.alg, struct skcipher_alg_common, base);
+}
+
+static inline struct lskcipher_alg *crypto_spawn_lskcipher_alg(
+ struct crypto_lskcipher_spawn *spawn)
+{
+ return crypto_lskcipher_spawn_alg(spawn);
}
static inline struct crypto_skcipher *crypto_spawn_skcipher(
@@ -124,6 +172,12 @@ static inline struct crypto_skcipher *crypto_spawn_skcipher(
return crypto_spawn_tfm2(&spawn->base);
}
+static inline struct crypto_lskcipher *crypto_spawn_lskcipher(
+ struct crypto_lskcipher_spawn *spawn)
+{
+ return crypto_spawn_tfm2(&spawn->base);
+}
+
static inline void crypto_skcipher_set_reqsize(
struct crypto_skcipher *skcipher, unsigned int reqsize)
{
@@ -144,6 +198,13 @@ void crypto_unregister_skciphers(struct skcipher_alg *algs, int count);
int skcipher_register_instance(struct crypto_template *tmpl,
struct skcipher_instance *inst);
+int crypto_register_lskcipher(struct lskcipher_alg *alg);
+void crypto_unregister_lskcipher(struct lskcipher_alg *alg);
+int crypto_register_lskciphers(struct lskcipher_alg *algs, int count);
+void crypto_unregister_lskciphers(struct lskcipher_alg *algs, int count);
+int lskcipher_register_instance(struct crypto_template *tmpl,
+ struct lskcipher_instance *inst);
+
int skcipher_walk_done(struct skcipher_walk *walk, int err);
int skcipher_walk_virt(struct skcipher_walk *walk,
struct skcipher_request *req,
@@ -166,6 +227,11 @@ static inline void *crypto_skcipher_ctx(struct crypto_skcipher *tfm)
return crypto_tfm_ctx(&tfm->base);
}
+static inline void *crypto_lskcipher_ctx(struct crypto_lskcipher *tfm)
+{
+ return crypto_tfm_ctx(&tfm->base);
+}
+
static inline void *crypto_skcipher_ctx_dma(struct crypto_skcipher *tfm)
{
return crypto_tfm_ctx_dma(&tfm->base);
@@ -191,41 +257,6 @@ 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)
-{
- return alg->min_keysize;
-}
-
-static inline unsigned int crypto_skcipher_alg_max_keysize(
- struct skcipher_alg *alg)
-{
- return alg->max_keysize;
-}
-
-static inline unsigned int crypto_skcipher_alg_walksize(
- struct skcipher_alg *alg)
-{
- return alg->walksize;
-}
-
-/**
- * crypto_skcipher_walksize() - obtain walk size
- * @tfm: cipher handle
- *
- * In some cases, algorithms can only perform optimally when operating on
- * multiple blocks in parallel. This is reflected by the walksize, which
- * must be a multiple of the chunksize (or equal if the concern does not
- * apply)
- *
- * Return: walk size in bytes
- */
-static inline unsigned int crypto_skcipher_walksize(
- struct crypto_skcipher *tfm)
-{
- return crypto_skcipher_alg_walksize(crypto_skcipher_alg(tfm));
-}
-
/* Helpers for simple block cipher modes of operation */
struct skcipher_ctx_simple {
struct crypto_cipher *cipher; /* underlying block cipher */
@@ -249,5 +280,24 @@ static inline struct crypto_alg *skcipher_ialg_simple(
return crypto_spawn_cipher_alg(spawn);
}
+static inline struct crypto_lskcipher *lskcipher_cipher_simple(
+ struct crypto_lskcipher *tfm)
+{
+ struct crypto_lskcipher **ctx = crypto_lskcipher_ctx(tfm);
+
+ return *ctx;
+}
+
+struct lskcipher_instance *lskcipher_alloc_instance_simple(
+ struct crypto_template *tmpl, struct rtattr **tb);
+
+static inline struct lskcipher_alg *lskcipher_ialg_simple(
+ struct lskcipher_instance *inst)
+{
+ struct crypto_lskcipher_spawn *spawn = lskcipher_instance_ctx(inst);
+
+ return crypto_lskcipher_spawn_alg(spawn);
+}
+
#endif /* _CRYPTO_INTERNAL_SKCIPHER_H */