crypto: shash - Add shash_attr_alg2 helper
This patch adds the helper shash_attr_alg2 which locates a shash algorithm based on the information in the given attribute. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Родитель
d06854f024
Коммит
7d6f56400a
|
@ -518,5 +518,15 @@ int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
|
|||
}
|
||||
EXPORT_SYMBOL_GPL(crypto_init_shash_spawn);
|
||||
|
||||
struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask)
|
||||
{
|
||||
struct crypto_alg *alg;
|
||||
|
||||
alg = crypto_attr_alg2(rta, &crypto_shash_type, type, mask);
|
||||
return IS_ERR(alg) ? ERR_CAST(alg) :
|
||||
container_of(alg, struct shash_alg, base);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(shash_attr_alg);
|
||||
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_DESCRIPTION("Synchronous cryptographic hash type");
|
||||
|
|
|
@ -60,6 +60,8 @@ int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
|
|||
struct shash_alg *alg,
|
||||
struct crypto_instance *inst);
|
||||
|
||||
struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
|
||||
|
||||
static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
|
||||
{
|
||||
return crypto_tfm_ctx(&tfm->base);
|
||||
|
|
Загрузка…
Ссылка в новой задаче