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crypto: skcipher - remove crypto_skcipher::setkey 

Due to the removal of the blkcipher and ablkcipher algorithm types,
crypto_skcipher::setkey now always points to skcipher_setkey().

Simplify by removing this function pointer and instead just making
skcipher_setkey() be crypto_skcipher_setkey() directly.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2019-11-29 10:23:05 -08:00 committed by Herbert Xu
parent 9ac0d13693
commit 15252d9427
2 changed files with 4 additions and 9 deletions
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4
crypto/skcipher.c
View File

@ -610,7 +610,7 @@ static int skcipher_setkey_unaligned(struct crypto_skcipher *tfm,
return ret;
}
static int skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key,
int crypto_skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keylen)
{
struct skcipher_alg *cipher = crypto_skcipher_alg(tfm);
@ -635,6 +635,7 @@ static int skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key,
crypto_skcipher_clear_flags(tfm, CRYPTO_TFM_NEED_KEY);
return 0;
}
EXPORT_SYMBOL_GPL(crypto_skcipher_setkey);
int crypto_skcipher_encrypt(struct skcipher_request *req)
{
@ -683,7 +684,6 @@ static int crypto_skcipher_init_tfm(struct crypto_tfm *tfm)
struct crypto_skcipher *skcipher = __crypto_skcipher_cast(tfm);
struct skcipher_alg *alg = crypto_skcipher_alg(skcipher);
skcipher->setkey = skcipher_setkey;
skcipher->encrypt = alg->encrypt;
skcipher->decrypt = alg->decrypt;

9
include/crypto/skcipher.h
View File

@ -35,8 +35,6 @@ struct skcipher_request {
};
struct crypto_skcipher {
int (*setkey)(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keylen);
int (*encrypt)(struct skcipher_request *req);
int (*decrypt)(struct skcipher_request *req);
@ -364,11 +362,8 @@ static inline void crypto_sync_skcipher_clear_flags(
*
* Return: 0 if the setting of the key was successful; < 0 if an error occurred
*/
static inline int crypto_skcipher_setkey(struct crypto_skcipher *tfm,
const u8 *key, unsigned int keylen)
{
return tfm->setkey(tfm, key, keylen);
}
int crypto_skcipher_setkey(struct crypto_skcipher *tfm,
const u8 *key, unsigned int keylen);
static inline int crypto_sync_skcipher_setkey(struct crypto_sync_skcipher *tfm,
const u8 *key, unsigned int keylen)