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crypto: aead - Add aead_alg_instance

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Now that type-safe init/exit functions exist, they often need
to access the underlying aead_instance.  So this patch adds the
helper aead_alg_instance to access aead_instance from a crypto_aead
object.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2015-05-28 22:07:55 +08:00
parent 5eb8ec6dc8
commit 5c98d62059
1 changed files with 5 additions and 0 deletions
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5
include/crypto/internal/aead.h
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@ -52,6 +52,11 @@ static inline struct aead_instance *aead_instance(struct crypto_instance *inst)
return container_of(&inst->alg, struct aead_instance, alg.base);
}
static inline struct aead_instance *aead_alg_instance(struct crypto_aead *aead)
{
return aead_instance(crypto_aead_alg_instance(aead));
}
static inline void *aead_instance_ctx(struct aead_instance *inst)
{
return crypto_instance_ctx(aead_crypto_instance(inst));