#ifndef _LINUX_CRYPTO_H
#define _LINUX_CRYPTO_H
-#include <asm/atomic.h>
-#include <linux/module.h>
+#include <linux/atomic.h>
#include <linux/kernel.h>
#include <linux/list.h>
+#include <linux/bug.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/uaccess.h>
#define CRYPTO_ALG_TYPE_SHASH 0x00000009
#define CRYPTO_ALG_TYPE_AHASH 0x0000000a
#define CRYPTO_ALG_TYPE_RNG 0x0000000c
+#define CRYPTO_ALG_TYPE_PCOMPRESS 0x0000000f
#define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e
#define CRYPTO_ALG_TYPE_AHASH_MASK 0x0000000c
#define CRYPTO_ALG_TESTED 0x00000400
+/*
+ * Set if the algorithm is an instance that is build from templates.
+ */
+#define CRYPTO_ALG_INSTANCE 0x00000800
+
+/* Set this bit if the algorithm provided is hardware accelerated but
+ * not available to userspace via instruction set or so.
+ */
+#define CRYPTO_ALG_KERN_DRIVER_ONLY 0x00001000
+
/*
* Transform masks and values (for crt_flags).
*/
* as arm where pointers are 32-bit aligned but there are data types such as
* u64 which require 64-bit alignment.
*/
-#if defined(ARCH_KMALLOC_MINALIGN)
#define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN
-#elif defined(ARCH_SLAB_MINALIGN)
-#define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN
-#else
-#define CRYPTO_MINALIGN __alignof__(unsigned long long)
-#endif
#define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN)))
struct crypto_aead;
struct crypto_blkcipher;
struct crypto_hash;
-struct crypto_ahash;
struct crypto_rng;
struct crypto_tfm;
struct crypto_type;
void *__ctx[] CRYPTO_MINALIGN_ATTR;
};
-struct ahash_request {
- struct crypto_async_request base;
-
- unsigned int nbytes;
- struct scatterlist *src;
- u8 *result;
-
- void *__ctx[] CRYPTO_MINALIGN_ATTR;
-};
-
/**
* struct aead_request - AEAD request
* @base: Common attributes for async crypto requests
unsigned int ivsize;
};
-struct ahash_alg {
- int (*init)(struct ahash_request *req);
- int (*reinit)(struct ahash_request *req);
- int (*update)(struct ahash_request *req);
- int (*final)(struct ahash_request *req);
- int (*digest)(struct ahash_request *req);
- int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
- unsigned int keylen);
-
- unsigned int digestsize;
-};
-
struct aead_alg {
int (*setkey)(struct crypto_aead *tfm, const u8 *key,
unsigned int keylen);
void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
};
-struct digest_alg {
- unsigned int dia_digestsize;
- void (*dia_init)(struct crypto_tfm *tfm);
- void (*dia_update)(struct crypto_tfm *tfm, const u8 *data,
- unsigned int len);
- void (*dia_final)(struct crypto_tfm *tfm, u8 *out);
- int (*dia_setkey)(struct crypto_tfm *tfm, const u8 *key,
- unsigned int keylen);
-};
-
-struct hash_alg {
- int (*init)(struct hash_desc *desc);
- int (*update)(struct hash_desc *desc, struct scatterlist *sg,
- unsigned int nbytes);
- int (*final)(struct hash_desc *desc, u8 *out);
- int (*digest)(struct hash_desc *desc, struct scatterlist *sg,
- unsigned int nbytes, u8 *out);
- int (*setkey)(struct crypto_hash *tfm, const u8 *key,
- unsigned int keylen);
-
- unsigned int digestsize;
-};
-
struct compress_alg {
int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src,
unsigned int slen, u8 *dst, unsigned int *dlen);
#define cra_aead cra_u.aead
#define cra_blkcipher cra_u.blkcipher
#define cra_cipher cra_u.cipher
-#define cra_digest cra_u.digest
-#define cra_hash cra_u.hash
-#define cra_ahash cra_u.ahash
#define cra_compress cra_u.compress
#define cra_rng cra_u.rng
struct aead_alg aead;
struct blkcipher_alg blkcipher;
struct cipher_alg cipher;
- struct digest_alg digest;
- struct hash_alg hash;
- struct ahash_alg ahash;
struct compress_alg compress;
struct rng_alg rng;
} cra_u;
*/
int crypto_register_alg(struct crypto_alg *alg);
int crypto_unregister_alg(struct crypto_alg *alg);
+int crypto_register_algs(struct crypto_alg *algs, int count);
+int crypto_unregister_algs(struct crypto_alg *algs, int count);
/*
* Algorithm query interface.
unsigned int digestsize;
};
-struct ahash_tfm {
- int (*init)(struct ahash_request *req);
- int (*update)(struct ahash_request *req);
- int (*final)(struct ahash_request *req);
- int (*digest)(struct ahash_request *req);
- int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
- unsigned int keylen);
-
- unsigned int digestsize;
- unsigned int reqsize;
-};
-
struct compress_tfm {
int (*cot_compress)(struct crypto_tfm *tfm,
const u8 *src, unsigned int slen,
#define crt_blkcipher crt_u.blkcipher
#define crt_cipher crt_u.cipher
#define crt_hash crt_u.hash
-#define crt_ahash crt_u.ahash
#define crt_compress crt_u.compress
#define crt_rng crt_u.rng
struct blkcipher_tfm blkcipher;
struct cipher_tfm cipher;
struct hash_tfm hash;
- struct ahash_tfm ahash;
struct compress_tfm compress;
struct rng_tfm rng;
} crt_u;
* Transform user interface.
*/
-struct crypto_tfm *crypto_alloc_tfm(const char *alg_name,
- const struct crypto_type *frontend,
- u32 type, u32 mask);
struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask);
-void crypto_free_tfm(struct crypto_tfm *tfm);
+void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm);
+
+static inline void crypto_free_tfm(struct crypto_tfm *tfm)
+{
+ return crypto_destroy_tfm(tfm, tfm);
+}
int alg_test(const char *driver, const char *alg, u32 type, u32 mask);
return tfm->__crt_alg->cra_priority;
}
-static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm)
-{
- return module_name(tfm->__crt_alg->cra_module);
-}
-
static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm)
{
return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK;
static inline void ablkcipher_request_free(struct ablkcipher_request *req)
{
- kfree(req);
+ kzfree(req);
}
static inline void ablkcipher_request_set_callback(
static inline void aead_request_free(struct aead_request *req)
{
- kfree(req);
+ kzfree(req);
}
static inline void aead_request_set_callback(struct aead_request *req,