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Diffstat (limited to 'include/crypto/algapi.h')
-rw-r--r--include/crypto/algapi.h117
1 files changed, 106 insertions, 11 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 60d06e784be..016c2f110f6 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -15,6 +15,7 @@
#include <linux/crypto.h>
#include <linux/list.h>
#include <linux/kernel.h>
+#include <linux/skbuff.h>
struct module;
struct rtattr;
@@ -22,9 +23,17 @@ struct seq_file;
struct crypto_type {
unsigned int (*ctxsize)(struct crypto_alg *alg, u32 type, u32 mask);
+ unsigned int (*extsize)(struct crypto_alg *alg);
int (*init)(struct crypto_tfm *tfm, u32 type, u32 mask);
- void (*exit)(struct crypto_tfm *tfm);
+ int (*init_tfm)(struct crypto_tfm *tfm);
void (*show)(struct seq_file *m, struct crypto_alg *alg);
+ int (*report)(struct sk_buff *skb, 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 {
@@ -43,6 +52,7 @@ struct crypto_template {
struct crypto_instance *(*alloc)(struct rtattr **tb);
void (*free)(struct crypto_instance *inst);
+ int (*create)(struct crypto_template *tmpl, struct rtattr **tb);
char name[CRYPTO_MAX_ALG_NAME];
};
@@ -51,6 +61,7 @@ struct crypto_spawn {
struct list_head list;
struct crypto_alg *alg;
struct crypto_instance *inst;
+ const struct crypto_type *frontend;
u32 mask;
};
@@ -89,15 +100,34 @@ struct blkcipher_walk {
void *page;
u8 *buffer;
u8 *iv;
+ unsigned int ivsize;
int flags;
- unsigned int blocksize;
+ unsigned int walk_blocksize;
+ unsigned int cipher_blocksize;
+ unsigned int alignmask;
+};
+
+struct ablkcipher_walk {
+ struct {
+ struct page *page;
+ unsigned int offset;
+ } src, dst;
+
+ struct scatter_walk in;
+ unsigned int nbytes;
+ struct scatter_walk out;
+ unsigned int total;
+ struct list_head buffers;
+ u8 *iv_buffer;
+ 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;
void crypto_mod_put(struct crypto_alg *alg);
@@ -105,11 +135,20 @@ 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_register_instance(struct crypto_template *tmpl,
+ struct crypto_instance *inst);
+int crypto_unregister_instance(struct crypto_alg *alg);
+
int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
struct crypto_instance *inst, u32 mask);
+int crypto_init_spawn2(struct crypto_spawn *spawn, struct crypto_alg *alg,
+ struct crypto_instance *inst,
+ const struct crypto_type *frontend);
+
void crypto_drop_spawn(struct crypto_spawn *spawn);
struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
u32 mask);
+void *crypto_spawn_tfm2(struct crypto_spawn *spawn);
static inline void crypto_set_spawn(struct crypto_spawn *spawn,
struct crypto_instance *inst)
@@ -120,14 +159,26 @@ static inline void crypto_set_spawn(struct crypto_spawn *spawn,
struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb);
int crypto_check_attr_type(struct rtattr **tb, u32 type);
const char *crypto_attr_alg_name(struct rtattr *rta);
-struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask);
+struct crypto_alg *crypto_attr_alg2(struct rtattr *rta,
+ const struct crypto_type *frontend,
+ u32 type, u32 mask);
+
+static inline struct crypto_alg *crypto_attr_alg(struct rtattr *rta,
+ u32 type, u32 mask)
+{
+ return crypto_attr_alg2(rta, NULL, type, mask);
+}
+
int crypto_attr_u32(struct rtattr *rta, u32 *num);
+void *crypto_alloc_instance2(const char *name, struct crypto_alg *alg,
+ unsigned int head);
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);
+void *__crypto_dequeue_request(struct crypto_queue *queue, unsigned int offset);
struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue);
int crypto_tfm_in_queue(struct crypto_queue *queue, struct crypto_tfm *tfm);
@@ -144,15 +195,21 @@ int blkcipher_walk_phys(struct blkcipher_desc *desc,
int blkcipher_walk_virt_block(struct blkcipher_desc *desc,
struct blkcipher_walk *walk,
unsigned int blocksize);
+int blkcipher_aead_walk_virt_block(struct blkcipher_desc *desc,
+ struct blkcipher_walk *walk,
+ struct crypto_aead *tfm,
+ unsigned int blocksize);
+
+int ablkcipher_walk_done(struct ablkcipher_request *req,
+ struct ablkcipher_walk *walk, int err);
+int ablkcipher_walk_phys(struct ablkcipher_request *req,
+ struct ablkcipher_walk *walk);
+void __ablkcipher_walk_complete(struct ablkcipher_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);
+ return PTR_ALIGN(crypto_tfm_ctx(tfm),
+ crypto_tfm_alg_alignmask(tfm) + 1);
}
static inline struct crypto_instance *crypto_tfm_alg_instance(
@@ -239,6 +296,11 @@ 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);
@@ -254,6 +316,23 @@ static inline void blkcipher_walk_init(struct blkcipher_walk *walk,
walk->total = nbytes;
}
+static inline void ablkcipher_walk_init(struct ablkcipher_walk *walk,
+ struct scatterlist *dst,
+ struct scatterlist *src,
+ unsigned int nbytes)
+{
+ walk->in.sg = src;
+ walk->out.sg = dst;
+ walk->total = nbytes;
+ INIT_LIST_HEAD(&walk->buffers);
+}
+
+static inline void ablkcipher_walk_complete(struct ablkcipher_walk *walk)
+{
+ if (unlikely(!list_empty(&walk->buffers)))
+ __ablkcipher_walk_complete(walk);
+}
+
static inline struct crypto_async_request *crypto_get_backlog(
struct crypto_queue *queue)
{
@@ -314,5 +393,21 @@ static inline int crypto_requires_sync(u32 type, u32 mask)
return (type ^ CRYPTO_ALG_ASYNC) & mask & CRYPTO_ALG_ASYNC;
}
-#endif /* _CRYPTO_ALGAPI_H */
+noinline unsigned long __crypto_memneq(const void *a, const void *b, size_t size);
+
+/**
+ * crypto_memneq - Compare two areas of memory without leaking
+ * timing information.
+ *
+ * @a: One area of memory
+ * @b: Another area of memory
+ * @size: The size of the area.
+ *
+ * Returns 0 when data is equal, 1 otherwise.
+ */
+static inline int crypto_memneq(const void *a, const void *b, size_t size)
+{
+ return __crypto_memneq(a, b, size) != 0UL ? 1 : 0;
+}
+#endif /* _CRYPTO_ALGAPI_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 20:48:45 +0000