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crypto: ahash - Add ahash_alg_instance

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This patch adds the helper ahash_alg_instance which is used to
convert a crypto_ahash object into its corresponding ahash_instance.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2020-08-18 18:25:36 +10:00
parent e73d340db6
commit b00ba76a03
1 changed files with 6 additions and 0 deletions
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6
include/crypto/internal/hash.h
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@ -164,6 +164,12 @@ static inline struct ahash_instance *ahash_instance(
return container_of(inst, struct ahash_instance, s.base);
}
static inline struct ahash_instance *ahash_alg_instance(
struct crypto_ahash *ahash)
{
return ahash_instance(crypto_tfm_alg_instance(&ahash->base));
}
static inline void *ahash_instance_ctx(struct ahash_instance *inst)
{
return crypto_instance_ctx(ahash_crypto_instance(inst));