#define CRYPTO_ALG_DYING 0x00000040
#define CRYPTO_ALG_ASYNC 0x00000080
+/*
+ * Set this bit if and only if the algorithm requires another algorithm of
+ * the same type to handle corner cases.
+ */
+#define CRYPTO_ALG_NEED_FALLBACK 0x00000100
+
/*
* 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_RES_WEAK_KEY 0x00100000
/*
* 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
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 {
* Algorithm query interface.
*/
#ifdef CONFIG_CRYPTO
-int crypto_alg_available(const char *name, u32 flags);
+int crypto_has_alg(const char *name, u32 type, u32 mask);
#else
-static inline int crypto_alg_available(const char *name, u32 flags)
+static inline int crypto_has_alg(const char *name, u32 type, u32 mask)
{
return 0;
}
unsigned int nsg, u8 *out);
int (*setkey)(struct crypto_hash *tfm, const u8 *key,
unsigned int keylen);
-#ifdef CONFIG_CRYPTO_HMAC
- void *hmac_block;
-#endif
unsigned int digestsize;
};
void *__crt_ctx[] CRYPTO_MINALIGN_ATTR;
};
-#define crypto_cipher crypto_tfm
-
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;
};
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;
crypto_free_tfm(crypto_blkcipher_tfm(tfm));
}
+static inline int crypto_has_blkcipher(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 const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm)
{
return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm));
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)
crypto_free_tfm(crypto_cipher_tfm(tfm));
}
+static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask)
+{
+ type &= ~CRYPTO_ALG_TYPE_MASK;
+ type |= CRYPTO_ALG_TYPE_CIPHER;
+ mask |= CRYPTO_ALG_TYPE_MASK;
+
+ return crypto_has_alg(alg_name, type, mask);
+}
+
static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm)
{
return &crypto_cipher_tfm(tfm)->crt_cipher;
dst, src);
}
-void crypto_digest_init(struct crypto_tfm *tfm);
-void crypto_digest_update(struct crypto_tfm *tfm,
- struct scatterlist *sg, unsigned int nsg);
-void crypto_digest_final(struct crypto_tfm *tfm, u8 *out);
-void crypto_digest_digest(struct crypto_tfm *tfm,
- struct scatterlist *sg, unsigned int nsg, u8 *out);
-
static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm)
{
return (struct crypto_hash *)tfm;
return __crypto_hash_cast(tfm);
}
-static inline int crypto_digest_setkey(struct crypto_tfm *tfm,
- const u8 *key, unsigned int keylen)
-{
- return tfm->crt_hash.setkey(crypto_hash_cast(tfm), key, keylen);
-}
-
static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name,
u32 type, u32 mask)
{
crypto_free_tfm(crypto_hash_tfm(tfm));
}
+static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask)
+{
+ type &= ~CRYPTO_ALG_TYPE_MASK;
+ type |= CRYPTO_ALG_TYPE_HASH;
+ mask |= CRYPTO_ALG_TYPE_HASH_MASK;
+
+ return crypto_has_alg(alg_name, type, mask);
+}
+
static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm)
{
return &crypto_hash_tfm(tfm)->crt_hash;
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)
+static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm)
{
- 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)
+ return (struct crypto_comp *)tfm;
+}
+
+static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm)
{
- 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_COMPRESS) &
+ CRYPTO_ALG_TYPE_MASK);
+ return __crypto_comp_cast(tfm);
+}
+
+static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name,
+ u32 type, u32 mask)
{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes);
+ type &= ~CRYPTO_ALG_TYPE_MASK;
+ type |= CRYPTO_ALG_TYPE_COMPRESS;
+ mask |= CRYPTO_ALG_TYPE_MASK;
+
+ return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask));
}
-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)
+static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm)
{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv);
+ return &tfm->base;
}
-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)
+static inline void crypto_free_comp(struct crypto_comp *tfm)
{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- memcpy(tfm->crt_cipher.cit_iv, src, len);
+ crypto_free_tfm(crypto_comp_tfm(tfm));
}
-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)
+static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask)
{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
- memcpy(dst, tfm->crt_cipher.cit_iv, len);
+ type &= ~CRYPTO_ALG_TYPE_MASK;
+ type |= CRYPTO_ALG_TYPE_COMPRESS;
+ mask |= CRYPTO_ALG_TYPE_MASK;
+
+ return crypto_has_alg(alg_name, type, mask);
+}
+
+static inline const char *crypto_comp_name(struct crypto_comp *tfm)
+{
+ return crypto_tfm_alg_name(crypto_comp_tfm(tfm));
+}
+
+static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm)
+{
+ return &crypto_comp_tfm(tfm)->crt_compress;
}
-static inline int crypto_comp_compress(struct crypto_tfm *tfm,
+static inline int crypto_comp_compress(struct crypto_comp *tfm,
const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen)
{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS);
- return tfm->crt_compress.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_tfm *tfm,
+static inline int crypto_comp_decompress(struct crypto_comp *tfm,
const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen)
{
- BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS);
- return tfm->crt_compress.cot_decompress(tfm, src, slen, dst, dlen);
+ return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm),
+ src, slen, dst, dlen);
}
-/*
- * HMAC support.
- */
-#ifdef CONFIG_CRYPTO_HMAC
-void crypto_hmac_init(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen);
-void crypto_hmac_update(struct crypto_tfm *tfm,
- struct scatterlist *sg, unsigned int nsg);
-void crypto_hmac_final(struct crypto_tfm *tfm, u8 *key,
- unsigned int *keylen, u8 *out);
-void crypto_hmac(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen,
- struct scatterlist *sg, unsigned int nsg, u8 *out);
-#endif /* CONFIG_CRYPTO_HMAC */
-
#endif /* _LINUX_CRYPTO_H */
projects / linux-2.6-omap-h63xx.git / blobdiff