[CRYPTO] skcipher: Add skcipher_geniv_alloc/skcipher_geniv_free

[safe/jmp/linux-2.6] / include / crypto / algapi.h

diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 7847fc2..fda1759 100644 (file)
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -91,9 +91,11 @@ 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 +111,17 @@ 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 +131,19 @@ 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)
 {
@@ -138,6 +155,12 @@ static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
        return (void *)ALIGN(addr, align);
 }
 
+static inline struct crypto_instance *crypto_tfm_alg_instance(
+       struct crypto_tfm *tfm)
+{
+       return container_of(tfm->__crt_alg, struct crypto_instance, alg);
+}
+
 static inline void *crypto_instance_ctx(struct crypto_instance *inst)
 {
        return inst->__ctx;
@@ -154,6 +177,44 @@ static inline void *crypto_ablkcipher_ctx(struct crypto_ablkcipher *tfm)
        return crypto_tfm_ctx(&tfm->base);
 }
 
+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_ablkcipher *crypto_spawn_ablkcipher(
+       struct crypto_spawn *spawn)
+{
+       return __crypto_ablkcipher_cast(
+               crypto_spawn_tfm(spawn, crypto_skcipher_type(0),
+                                crypto_skcipher_mask(0)));
+}
+
+static inline struct crypto_blkcipher *crypto_spawn_blkcipher(
+       struct crypto_spawn *spawn)
+{
+       u32 type = CRYPTO_ALG_TYPE_BLKCIPHER;
+       u32 mask = CRYPTO_ALG_TYPE_MASK;
+
+       return __crypto_blkcipher_cast(crypto_spawn_tfm(spawn, type, mask));
+}
+
 static inline void *crypto_blkcipher_ctx(struct crypto_blkcipher *tfm)
 {
        return crypto_tfm_ctx(&tfm->base);
@@ -208,16 +269,16 @@ 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)
@@ -225,10 +286,40 @@ 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 */