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crypto: api - Add crypto_attr_alg2 helper

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This patch adds the helper crypto_attr_alg2 which is similar to
crypto_attr_alg but takes an extra frontend argument.  This is
intended to be used by new style algorithm types such as shash.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2009-07-08 17:53:16 +08:00
parent 942969992d
commit d06854f024
4 changed files with 40 additions and 13 deletions
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11
include/crypto/algapi.h
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@@ -136,7 +136,16 @@ static inline void crypto_set_spawn(struct crypto_spawn *spawn,
struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb);
int crypto_check_attr_type(struct rtattr **tb, u32 type);
const char *crypto_attr_alg_name(struct rtattr *rta);
struct crypto_alg *crypto_attr_alg(struct rtattr *rta, u32 type, u32 mask);
struct crypto_alg *crypto_attr_alg2(struct rtattr *rta,
const struct crypto_type *frontend,
u32 type, u32 mask);
static inline struct crypto_alg *crypto_attr_alg(struct rtattr *rta,
u32 type, u32 mask)
{
return crypto_attr_alg2(rta, NULL, type, mask);
}
int crypto_attr_u32(struct rtattr *rta, u32 *num);
void *crypto_alloc_instance2(const char *name, struct crypto_alg *alg,
unsigned int head);