#define _CRYPTO_ALGAPI_H
#include <linux/crypto.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
struct module;
+struct rtattr;
struct seq_file;
struct crypto_type {
- unsigned int (*ctxsize)(struct crypto_alg *alg);
- int (*init)(struct crypto_tfm *tfm);
+ unsigned int (*ctxsize)(struct crypto_alg *alg, u32 type, u32 mask);
+ int (*init)(struct crypto_tfm *tfm, u32 type, u32 mask);
void (*exit)(struct crypto_tfm *tfm);
void (*show)(struct seq_file *m, struct crypto_alg *alg);
};
struct hlist_head instances;
struct module *module;
- struct crypto_instance *(*alloc)(void *param, unsigned int len);
+ struct crypto_instance *(*alloc)(struct rtattr **tb);
void (*free)(struct crypto_instance *inst);
char name[CRYPTO_MAX_ALG_NAME];
struct list_head list;
struct crypto_alg *alg;
struct crypto_instance *inst;
+ u32 mask;
};
+struct crypto_queue {
+ struct list_head list;
+ struct list_head *backlog;
+
+ unsigned int qlen;
+ unsigned int max_qlen;
+};
+
+struct scatter_walk {
+ struct scatterlist *sg;
+ unsigned int offset;
+};
+
+struct blkcipher_walk {
+ union {
+ struct {
+ struct page *page;
+ unsigned long offset;
+ } phys;
+
+ struct {
+ u8 *page;
+ u8 *addr;
+ } virt;
+ } src, dst;
+
+ struct scatter_walk in;
+ unsigned int nbytes;
+
+ struct scatter_walk out;
+ unsigned int total;
+
+ void *page;
+ u8 *buffer;
+ u8 *iv;
+
+ int flags;
+};
+
+extern const struct crypto_type crypto_ablkcipher_type;
+extern const struct crypto_type crypto_blkcipher_type;
+extern const struct crypto_type crypto_hash_type;
+
+void crypto_mod_put(struct crypto_alg *alg);
+
int crypto_register_template(struct crypto_template *tmpl);
void crypto_unregister_template(struct crypto_template *tmpl);
struct crypto_template *crypto_lookup_template(const char *name);
int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
- struct crypto_instance *inst);
+ struct crypto_instance *inst, u32 mask);
void crypto_drop_spawn(struct crypto_spawn *spawn);
-struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn);
+struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
+ u32 mask);
-struct crypto_alg *crypto_get_attr_alg(void *param, unsigned int len,
- u32 type, u32 mask);
+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);
struct crypto_instance *crypto_alloc_instance(const char *name,
struct crypto_alg *alg);
+void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen);
+int crypto_enqueue_request(struct crypto_queue *queue,
+ struct crypto_async_request *request);
+struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue);
+int crypto_tfm_in_queue(struct crypto_queue *queue, struct crypto_tfm *tfm);
+
+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);
+
+static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
+{
+ unsigned long addr = (unsigned long)crypto_tfm_ctx(tfm);
+ unsigned long align = crypto_tfm_alg_alignmask(tfm);
+
+ if (align <= crypto_tfm_ctx_alignment())
+ align = 1;
+ 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;
}
+static inline struct ablkcipher_alg *crypto_ablkcipher_alg(
+ struct crypto_ablkcipher *tfm)
+{
+ return &crypto_ablkcipher_tfm(tfm)->__crt_alg->cra_ablkcipher;
+}
+
+static inline void *crypto_ablkcipher_ctx(struct crypto_ablkcipher *tfm)
+{
+ return crypto_tfm_ctx(&tfm->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;
+
+ 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);
+}
+
+static inline void *crypto_blkcipher_ctx_aligned(struct crypto_blkcipher *tfm)
+{
+ return crypto_tfm_ctx_aligned(&tfm->base);
+}
+
+static inline struct crypto_cipher *crypto_spawn_cipher(
+ struct crypto_spawn *spawn)
+{
+ u32 type = CRYPTO_ALG_TYPE_CIPHER;
+ u32 mask = CRYPTO_ALG_TYPE_MASK;
+
+ return __crypto_cipher_cast(crypto_spawn_tfm(spawn, type, mask));
+}
+
+static inline struct cipher_alg *crypto_cipher_alg(struct crypto_cipher *tfm)
+{
+ return &crypto_cipher_tfm(tfm)->__crt_alg->cra_cipher;
+}
+
+static inline struct crypto_hash *crypto_spawn_hash(struct crypto_spawn *spawn)
+{
+ u32 type = CRYPTO_ALG_TYPE_HASH;
+ u32 mask = CRYPTO_ALG_TYPE_HASH_MASK;
+
+ return __crypto_hash_cast(crypto_spawn_tfm(spawn, type, mask));
+}
+
+static inline void *crypto_hash_ctx_aligned(struct crypto_hash *tfm)
+{
+ return crypto_tfm_ctx_aligned(&tfm->base);
+}
+
+static inline void blkcipher_walk_init(struct blkcipher_walk *walk,
+ struct scatterlist *dst,
+ struct scatterlist *src,
+ unsigned int nbytes)
+{
+ walk->in.sg = src;
+ walk->out.sg = dst;
+ walk->total = nbytes;
+}
+
+static inline struct crypto_async_request *crypto_get_backlog(
+ struct crypto_queue *queue)
+{
+ return queue->backlog == &queue->list ? NULL :
+ container_of(queue->backlog, struct crypto_async_request, list);
+}
+
+static inline int ablkcipher_enqueue_request(struct ablkcipher_alg *alg,
+ struct ablkcipher_request *request)
+{
+ return crypto_enqueue_request(alg->queue, &request->base);
+}
+
+static inline struct ablkcipher_request *ablkcipher_dequeue_request(
+ struct ablkcipher_alg *alg)
+{
+ return ablkcipher_request_cast(crypto_dequeue_request(alg->queue));
+}
+
+static inline void *ablkcipher_request_ctx(struct ablkcipher_request *req)
+{
+ return req->__ctx;
+}
+
+static inline int ablkcipher_tfm_in_queue(struct crypto_ablkcipher *tfm)
+{
+ return crypto_tfm_in_queue(crypto_ablkcipher_alg(tfm)->queue,
+ crypto_ablkcipher_tfm(tfm));
+}
+
#endif /* _CRYPTO_ALGAPI_H */
projects / powerpc.git / blobdiff