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[CRYPTO] api: Add common instance initialisation code

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This patch adds the helpers crypto_get_attr_alg and crypto_alloc_instance
which can be used by simple one-argument templates like hmac to process
input parameters and allocate instances.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2006-08-06 23:10:45 +10:00
parent df89820ebd
commit 7fed0bf271
2 changed files with 58 additions and 0 deletions
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5
include/crypto/algapi.h
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@@ -51,6 +51,11 @@ int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
void crypto_drop_spawn(struct crypto_spawn *spawn);
struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn);
struct crypto_alg *crypto_get_attr_alg(void *param, unsigned int len,
u32 type, u32 mask);
struct crypto_instance *crypto_alloc_instance(const char *name,
struct crypto_alg *alg);
static inline void *crypto_instance_ctx(struct crypto_instance *inst)
{
return inst->__ctx;