/*
* Transform masks and values (for crt_flags).
*/
-#define CRYPTO_TFM_MODE_MASK 0x000000ff
#define CRYPTO_TFM_REQ_MASK 0x000fff00
#define CRYPTO_TFM_RES_MASK 0xfff00000
-#define CRYPTO_TFM_MODE_ECB 0x00000001
-#define CRYPTO_TFM_MODE_CBC 0x00000002
-#define CRYPTO_TFM_MODE_CFB 0x00000004
-#define CRYPTO_TFM_MODE_CTR 0x00000008
-
#define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100
#define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200
+#define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400
#define CRYPTO_TFM_RES_WEAK_KEY 0x00100000
#define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000
#define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000
/*
* Miscellaneous stuff.
*/
-#define CRYPTO_UNSPEC 0
#define CRYPTO_MAX_ALG_NAME 64
-#define CRYPTO_DIR_ENCRYPT 1
-#define CRYPTO_DIR_DECRYPT 0
-
/*
* The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual
* declaration) is used to ensure that the crypto_tfm context structure is
#endif
struct scatterlist;
+struct crypto_ablkcipher;
+struct crypto_async_request;
struct crypto_blkcipher;
struct crypto_hash;
+struct crypto_queue;
struct crypto_tfm;
struct crypto_type;
+typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err);
+
+struct crypto_async_request {
+ struct list_head list;
+ crypto_completion_t complete;
+ void *data;
+ struct crypto_tfm *tfm;
+
+ u32 flags;
+};
+
+struct ablkcipher_request {
+ struct crypto_async_request base;
+
+ unsigned int nbytes;
+
+ void *info;
+
+ struct scatterlist *src;
+ struct scatterlist *dst;
+
+ void *__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
struct blkcipher_desc {
struct crypto_blkcipher *tfm;
void *info;
* Algorithms: modular crypto algorithm implementations, managed
* via crypto_register_alg() and crypto_unregister_alg().
*/
+struct ablkcipher_alg {
+ int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key,
+ unsigned int keylen);
+ int (*encrypt)(struct ablkcipher_request *req);
+ int (*decrypt)(struct ablkcipher_request *req);
+
+ struct crypto_queue *queue;
+
+ unsigned int min_keysize;
+ unsigned int max_keysize;
+ unsigned int ivsize;
+};
+
struct blkcipher_alg {
int (*setkey)(struct crypto_tfm *tfm, const u8 *key,
unsigned int keylen);
unsigned int keylen);
void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
-
- unsigned int (*cia_encrypt_ecb)(const struct cipher_desc *desc,
- u8 *dst, const u8 *src,
- unsigned int nbytes) __deprecated;
- unsigned int (*cia_decrypt_ecb)(const struct cipher_desc *desc,
- u8 *dst, const u8 *src,
- unsigned int nbytes) __deprecated;
- unsigned int (*cia_encrypt_cbc)(const struct cipher_desc *desc,
- u8 *dst, const u8 *src,
- unsigned int nbytes) __deprecated;
- unsigned int (*cia_decrypt_cbc)(const struct cipher_desc *desc,
- u8 *dst, const u8 *src,
- unsigned int nbytes) __deprecated;
};
struct digest_alg {
unsigned int slen, u8 *dst, unsigned int *dlen);
};
+#define cra_ablkcipher cra_u.ablkcipher
#define cra_blkcipher cra_u.blkcipher
#define cra_cipher cra_u.cipher
#define cra_digest cra_u.digest
const struct crypto_type *cra_type;
union {
+ struct ablkcipher_alg ablkcipher;
struct blkcipher_alg blkcipher;
struct cipher_alg cipher;
struct digest_alg digest;
#ifdef CONFIG_CRYPTO
int crypto_has_alg(const char *name, u32 type, u32 mask);
#else
-static inline int crypto_alg_available(const char *name, u32 flags)
-{
- return 0;
-}
-
static inline int crypto_has_alg(const char *name, u32 type, u32 mask)
{
return 0;
* crypto_free_*(), as well as the various helpers below.
*/
+struct ablkcipher_tfm {
+ int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key,
+ unsigned int keylen);
+ int (*encrypt)(struct ablkcipher_request *req);
+ int (*decrypt)(struct ablkcipher_request *req);
+ unsigned int ivsize;
+ unsigned int reqsize;
+};
+
struct blkcipher_tfm {
void *iv;
int (*setkey)(struct crypto_tfm *tfm, const u8 *key,
};
struct cipher_tfm {
- void *cit_iv;
- unsigned int cit_ivsize;
- u32 cit_mode;
int (*cit_setkey)(struct crypto_tfm *tfm,
const u8 *key, unsigned int keylen);
- int (*cit_encrypt)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes);
- int (*cit_encrypt_iv)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv);
- int (*cit_decrypt)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes);
- int (*cit_decrypt_iv)(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv);
- void (*cit_xor_block)(u8 *dst, const u8 *src);
void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
};
u8 *dst, unsigned int *dlen);
};
+#define crt_ablkcipher crt_u.ablkcipher
#define crt_blkcipher crt_u.blkcipher
#define crt_cipher crt_u.cipher
#define crt_hash crt_u.hash
u32 crt_flags;
union {
+ struct ablkcipher_tfm ablkcipher;
struct blkcipher_tfm blkcipher;
struct cipher_tfm cipher;
struct hash_tfm hash;
void *__crt_ctx[] CRYPTO_MINALIGN_ATTR;
};
-#define crypto_cipher crypto_tfm
-#define crypto_comp crypto_tfm
+struct crypto_ablkcipher {
+ struct crypto_tfm base;
+};
struct crypto_blkcipher {
struct crypto_tfm base;
};
+struct crypto_cipher {
+ struct crypto_tfm base;
+};
+
+struct crypto_comp {
+ struct crypto_tfm base;
+};
+
struct crypto_hash {
struct crypto_tfm base;
};
enum {
CRYPTOA_UNSPEC,
CRYPTOA_ALG,
+ CRYPTOA_TYPE,
+ __CRYPTOA_MAX,
};
+#define CRYPTOA_MAX (__CRYPTOA_MAX - 1)
+
struct crypto_attr_alg {
char name[CRYPTO_MAX_ALG_NAME];
};
+struct crypto_attr_type {
+ u32 type;
+ u32 mask;
+};
+
/*
* Transform user interface.
*/
return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK;
}
-static unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
- __deprecated;
-static inline unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->__crt_alg->cra_cipher.cia_min_keysize;
-}
-
-static unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
- __deprecated;
-static inline unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->__crt_alg->cra_cipher.cia_max_keysize;
-}
-
-static unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm) __deprecated;
-static inline unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_ivsize;
-}
-
static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm)
{
return tfm->__crt_alg->cra_blocksize;
}
-static inline unsigned int crypto_tfm_alg_digestsize(struct crypto_tfm *tfm)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
- return tfm->__crt_alg->cra_digest.dia_digestsize;
-}
-
static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm)
{
return tfm->__crt_alg->cra_alignmask;
/*
* API wrappers.
*/
+static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast(
+ struct crypto_tfm *tfm)
+{
+ return (struct crypto_ablkcipher *)tfm;
+}
+
+static inline struct crypto_ablkcipher *crypto_alloc_ablkcipher(
+ const char *alg_name, u32 type, u32 mask)
+{
+ type &= ~CRYPTO_ALG_TYPE_MASK;
+ type |= CRYPTO_ALG_TYPE_BLKCIPHER;
+ mask |= CRYPTO_ALG_TYPE_MASK;
+
+ return __crypto_ablkcipher_cast(
+ crypto_alloc_base(alg_name, type, mask));
+}
+
+static inline struct crypto_tfm *crypto_ablkcipher_tfm(
+ struct crypto_ablkcipher *tfm)
+{
+ return &tfm->base;
+}
+
+static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm)
+{
+ crypto_free_tfm(crypto_ablkcipher_tfm(tfm));
+}
+
+static inline int crypto_has_ablkcipher(const char *alg_name, u32 type,
+ u32 mask)
+{
+ type &= ~CRYPTO_ALG_TYPE_MASK;
+ type |= CRYPTO_ALG_TYPE_BLKCIPHER;
+ mask |= CRYPTO_ALG_TYPE_MASK;
+
+ return crypto_has_alg(alg_name, type, mask);
+}
+
+static inline struct ablkcipher_tfm *crypto_ablkcipher_crt(
+ struct crypto_ablkcipher *tfm)
+{
+ return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher;
+}
+
+static inline unsigned int crypto_ablkcipher_ivsize(
+ struct crypto_ablkcipher *tfm)
+{
+ return crypto_ablkcipher_crt(tfm)->ivsize;
+}
+
+static inline unsigned int crypto_ablkcipher_blocksize(
+ struct crypto_ablkcipher *tfm)
+{
+ return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm));
+}
+
+static inline unsigned int crypto_ablkcipher_alignmask(
+ struct crypto_ablkcipher *tfm)
+{
+ return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm));
+}
+
+static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm)
+{
+ return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm));
+}
+
+static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm,
+ u32 flags)
+{
+ crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags);
+}
+
+static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm,
+ u32 flags)
+{
+ crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags);
+}
+
+static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ return crypto_ablkcipher_crt(tfm)->setkey(tfm, key, keylen);
+}
+
+static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm(
+ struct ablkcipher_request *req)
+{
+ return __crypto_ablkcipher_cast(req->base.tfm);
+}
+
+static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req)
+{
+ struct ablkcipher_tfm *crt =
+ crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req));
+ return crt->encrypt(req);
+}
+
+static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req)
+{
+ struct ablkcipher_tfm *crt =
+ crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req));
+ return crt->decrypt(req);
+}
+
+static inline int crypto_ablkcipher_reqsize(struct crypto_ablkcipher *tfm)
+{
+ return crypto_ablkcipher_crt(tfm)->reqsize;
+}
+
+static inline void ablkcipher_request_set_tfm(
+ struct ablkcipher_request *req, struct crypto_ablkcipher *tfm)
+{
+ req->base.tfm = crypto_ablkcipher_tfm(tfm);
+}
+
+static inline struct ablkcipher_request *ablkcipher_request_cast(
+ struct crypto_async_request *req)
+{
+ return container_of(req, struct ablkcipher_request, base);
+}
+
+static inline struct ablkcipher_request *ablkcipher_request_alloc(
+ struct crypto_ablkcipher *tfm, gfp_t gfp)
+{
+ struct ablkcipher_request *req;
+
+ req = kmalloc(sizeof(struct ablkcipher_request) +
+ crypto_ablkcipher_reqsize(tfm), gfp);
+
+ if (likely(req))
+ ablkcipher_request_set_tfm(req, tfm);
+
+ return req;
+}
+
+static inline void ablkcipher_request_free(struct ablkcipher_request *req)
+{
+ kfree(req);
+}
+
+static inline void ablkcipher_request_set_callback(
+ struct ablkcipher_request *req,
+ u32 flags, crypto_completion_t complete, void *data)
+{
+ req->base.complete = complete;
+ req->base.data = data;
+ req->base.flags = flags;
+}
+
+static inline void ablkcipher_request_set_crypt(
+ struct ablkcipher_request *req,
+ struct scatterlist *src, struct scatterlist *dst,
+ unsigned int nbytes, void *iv)
+{
+ req->src = src;
+ req->dst = dst;
+ req->nbytes = nbytes;
+ req->info = iv;
+}
+
static inline struct crypto_blkcipher *__crypto_blkcipher_cast(
struct crypto_tfm *tfm)
{
static inline struct crypto_blkcipher *crypto_alloc_blkcipher(
const char *alg_name, u32 type, u32 mask)
{
- type &= ~CRYPTO_ALG_TYPE_MASK;
+ type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
type |= CRYPTO_ALG_TYPE_BLKCIPHER;
- mask |= CRYPTO_ALG_TYPE_MASK;
+ mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC;
return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask));
}
static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask)
{
- type &= ~CRYPTO_ALG_TYPE_MASK;
+ type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC);
type |= CRYPTO_ALG_TYPE_BLKCIPHER;
- mask |= CRYPTO_ALG_TYPE_MASK;
+ mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC;
return crypto_has_alg(alg_name, type, mask);
}
static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm)
{
- return tfm;
+ return &tfm->base;
}
static inline void crypto_free_cipher(struct crypto_cipher *tfm)
return crypto_hash_crt(hash)->setkey(hash, key, keylen);
}
-static int crypto_cipher_encrypt(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes) __deprecated;
-static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes);
-}
-
-static int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv) __deprecated;
-static inline int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_encrypt_iv(tfm, dst, src, nbytes, iv);
-}
-
-static int crypto_cipher_decrypt(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes) __deprecated;
-static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes);
-}
-
-static int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv) __deprecated;
-static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
- struct scatterlist *dst,
- struct scatterlist *src,
- unsigned int nbytes, u8 *iv)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv);
-}
-
-static void crypto_cipher_set_iv(struct crypto_tfm *tfm,
- const u8 *src, unsigned int len) __deprecated;
-static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm,
- const u8 *src, unsigned int len)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- memcpy(tfm->crt_cipher.cit_iv, src, len);
-}
-
-static void crypto_cipher_get_iv(struct crypto_tfm *tfm,
- u8 *dst, unsigned int len) __deprecated;
-static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm,
- u8 *dst, unsigned int len)
-{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- memcpy(dst, tfm->crt_cipher.cit_iv, len);
-}
-
static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm)
{
return (struct crypto_comp *)tfm;
static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm)
{
- return tfm;
+ return &tfm->base;
}
static inline void crypto_free_comp(struct crypto_comp *tfm)
const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen)
{
- return crypto_comp_crt(tfm)->cot_compress(tfm, src, slen, dst, dlen);
+ return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm),
+ src, slen, dst, dlen);
}
static inline int crypto_comp_decompress(struct crypto_comp *tfm,
const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen)
{
- return crypto_comp_crt(tfm)->cot_decompress(tfm, src, slen, dst, dlen);
+ return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm),
+ src, slen, dst, dlen);
}
#endif /* _LINUX_CRYPTO_H */
projects / karo-tx-linux.git / blobdiff