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crypto: skcipher - Remove top-level givcipher interface

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This patch removes the old crypto_grab_skcipher helper and replaces
it with crypto_grab_skcipher2.

As this is the final entry point into givcipher this patch also
removes all traces of the top-level givcipher interface, including
all implicit IV generators such as chainiv.

The bottom-level givcipher interface remains until the drivers
using it are converted.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2016-07-12 13:17:50 +08:00
parent 6cf80a2965
commit 3a01d0ee2b
10 changed files with 22 additions and 1278 deletions
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19
include/linux/crypto.h
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@ -488,8 +488,6 @@ struct ablkcipher_tfm {
unsigned int keylen);
int (*encrypt)(struct ablkcipher_request *req);
int (*decrypt)(struct ablkcipher_request *req);
int (*givencrypt)(struct skcipher_givcrypt_request *req);
int (*givdecrypt)(struct skcipher_givcrypt_request *req);
struct crypto_ablkcipher *base;
@ -714,23 +712,6 @@ static inline u32 crypto_skcipher_mask(u32 mask)
* state information is unused by the kernel crypto API.
*/
/**
* crypto_alloc_ablkcipher() - allocate asynchronous block cipher handle
* @alg_name: is the cra_name / name or cra_driver_name / driver name of the
* ablkcipher cipher
* @type: specifies the type of the cipher
* @mask: specifies the mask for the cipher
*
* Allocate a cipher handle for an ablkcipher. The returned struct
* crypto_ablkcipher is the cipher handle that is required for any subsequent
* API invocation for that ablkcipher.
*
* Return: allocated cipher handle in case of success; IS_ERR() is true in case
* of an error, PTR_ERR() returns the error code.
*/
struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name,
u32 type, u32 mask);
static inline struct crypto_tfm *crypto_ablkcipher_tfm(
struct crypto_ablkcipher *tfm)
{