X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fcrypto%2Falgapi.h;h=010545436efa22593f4a124c9a68849f78a85872;hb=1d01e83557105e7b3bf1623ad2b814d55e1c2990;hp=8081294e4328886759d2360a0e43ca68c1872cf4;hpb=aa379a6ab17ff5b06552c52360ce6d9f8c7c209a;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 8081294..0105454 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -22,9 +22,18 @@ struct seq_file;
 
 struct crypto_type {
 	unsigned int (*ctxsize)(struct crypto_alg *alg, u32 type, u32 mask);
+	unsigned int (*extsize)(struct crypto_alg *alg,
+				const struct crypto_type *frontend);
 	int (*init)(struct crypto_tfm *tfm, u32 type, u32 mask);
-	void (*exit)(struct crypto_tfm *tfm);
+	int (*init_tfm)(struct crypto_tfm *tfm,
+		        const struct crypto_type *frontend);
 	void (*show)(struct seq_file *m, struct crypto_alg *alg);
+	struct crypto_alg *(*lookup)(const char *name, u32 type, u32 mask);
+
+	unsigned int type;
+	unsigned int maskclear;
+	unsigned int maskset;
+	unsigned int tfmsize;
 };
 
 struct crypto_instance {
@@ -91,9 +100,11 @@ struct blkcipher_walk {
 	u8 *iv;
 
 	int flags;
+	unsigned int blocksize;
 };
 
 extern const struct crypto_type crypto_ablkcipher_type;
+extern const struct crypto_type crypto_aead_type;
 extern const struct crypto_type crypto_blkcipher_type;
 extern const struct crypto_type crypto_hash_type;
 
@@ -109,9 +120,17 @@ void crypto_drop_spawn(struct crypto_spawn *spawn);
 struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
 				    u32 mask);
 
+static inline void crypto_set_spawn(struct crypto_spawn *spawn,
+				    struct crypto_instance *inst)
+{
+	spawn->inst = inst;
+}
+
 struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb);
 int crypto_check_attr_type(struct rtattr **tb, u32 type);
-struct crypto_alg *crypto_get_attr_alg(struct rtattr **tb, u32 type, u32 mask);
+const char *crypto_attr_alg_name(struct rtattr *rta);
+struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask);
+int crypto_attr_u32(struct rtattr *rta, u32 *num);
 struct crypto_instance *crypto_alloc_instance(const char *name,
 					      struct crypto_alg *alg);
 
@@ -121,12 +140,19 @@ int crypto_enqueue_request(struct crypto_queue *queue,
 struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue);
 int crypto_tfm_in_queue(struct crypto_queue *queue, struct crypto_tfm *tfm);
 
+/* These functions require the input/output to be aligned as u32. */
+void crypto_inc(u8 *a, unsigned int size);
+void crypto_xor(u8 *dst, const u8 *src, unsigned int size);
+
 int blkcipher_walk_done(struct blkcipher_desc *desc,
 			struct blkcipher_walk *walk, int err);
 int blkcipher_walk_virt(struct blkcipher_desc *desc,
 			struct blkcipher_walk *walk);
 int blkcipher_walk_phys(struct blkcipher_desc *desc,
 			struct blkcipher_walk *walk);
+int blkcipher_walk_virt_block(struct blkcipher_desc *desc,
+			      struct blkcipher_walk *walk,
+			      unsigned int blocksize);
 
 static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
 {
@@ -165,11 +191,27 @@ static inline void *crypto_ablkcipher_ctx_aligned(struct crypto_ablkcipher *tfm)
 	return crypto_tfm_ctx_aligned(&tfm->base);
 }
 
+static inline struct aead_alg *crypto_aead_alg(struct crypto_aead *tfm)
+{
+	return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;
+}
+
+static inline void *crypto_aead_ctx(struct crypto_aead *tfm)
+{
+	return crypto_tfm_ctx(&tfm->base);
+}
+
+static inline struct crypto_instance *crypto_aead_alg_instance(
+	struct crypto_aead *aead)
+{
+	return crypto_tfm_alg_instance(&aead->base);
+}
+
 static inline struct crypto_blkcipher *crypto_spawn_blkcipher(
 	struct crypto_spawn *spawn)
 {
 	u32 type = CRYPTO_ALG_TYPE_BLKCIPHER;
-	u32 mask = CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC;
+	u32 mask = CRYPTO_ALG_TYPE_MASK;
 
 	return __crypto_blkcipher_cast(crypto_spawn_tfm(spawn, type, mask));
 }
@@ -206,6 +248,11 @@ static inline struct crypto_hash *crypto_spawn_hash(struct crypto_spawn *spawn)
 	return __crypto_hash_cast(crypto_spawn_tfm(spawn, type, mask));
 }
 
+static inline void *crypto_hash_ctx(struct crypto_hash *tfm)
+{
+	return crypto_tfm_ctx(&tfm->base);
+}
+
 static inline void *crypto_hash_ctx_aligned(struct crypto_hash *tfm)
 {
 	return crypto_tfm_ctx_aligned(&tfm->base);
@@ -228,16 +275,16 @@ static inline struct crypto_async_request *crypto_get_backlog(
 	       container_of(queue->backlog, struct crypto_async_request, list);
 }
 
-static inline int ablkcipher_enqueue_request(struct ablkcipher_alg *alg,
+static inline int ablkcipher_enqueue_request(struct crypto_queue *queue,
 					     struct ablkcipher_request *request)
 {
-	return crypto_enqueue_request(alg->queue, &request->base);
+	return crypto_enqueue_request(queue, &request->base);
 }
 
 static inline struct ablkcipher_request *ablkcipher_dequeue_request(
-	struct ablkcipher_alg *alg)
+	struct crypto_queue *queue)
 {
-	return ablkcipher_request_cast(crypto_dequeue_request(alg->queue));
+	return ablkcipher_request_cast(crypto_dequeue_request(queue));
 }
 
 static inline void *ablkcipher_request_ctx(struct ablkcipher_request *req)
@@ -245,10 +292,40 @@ static inline void *ablkcipher_request_ctx(struct ablkcipher_request *req)
 	return req->__ctx;
 }
 
-static inline int ablkcipher_tfm_in_queue(struct crypto_ablkcipher *tfm)
+static inline int ablkcipher_tfm_in_queue(struct crypto_queue *queue,
+					  struct crypto_ablkcipher *tfm)
+{
+	return crypto_tfm_in_queue(queue, crypto_ablkcipher_tfm(tfm));
+}
+
+static inline void *aead_request_ctx(struct aead_request *req)
+{
+	return req->__ctx;
+}
+
+static inline void aead_request_complete(struct aead_request *req, int err)
+{
+	req->base.complete(&req->base, err);
+}
+
+static inline u32 aead_request_flags(struct aead_request *req)
+{
+	return req->base.flags;
+}
+
+static inline struct crypto_alg *crypto_get_attr_alg(struct rtattr **tb,
+						     u32 type, u32 mask)
+{
+	return crypto_attr_alg(tb[1], type, mask);
+}
+
+/*
+ * Returns CRYPTO_ALG_ASYNC if type/mask requires the use of sync algorithms.
+ * Otherwise returns zero.
+ */
+static inline int crypto_requires_sync(u32 type, u32 mask)
 {
-	return crypto_tfm_in_queue(crypto_ablkcipher_alg(tfm)->queue,
-				   crypto_ablkcipher_tfm(tfm));
+	return (type ^ CRYPTO_ALG_ASYNC) & mask & CRYPTO_ALG_ASYNC;
 }
 
 #endif	/* _CRYPTO_ALGAPI_H */