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crypto: hash - add crypto_(un)register_ahashes()

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There are already helpers to (un)register multiple normal
and AEAD algos.  Add one for ahashes too.

Signed-off-by: Lars Persson <larper@axis.com>
Signed-off-by: Rabin Vincent <rabinv@axis.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Rabin Vincent 2017-08-10 14:53:52 +02:00 committed by Herbert Xu
parent ac6b6f4531
commit 6f7473c524
2 changed files with 31 additions and 0 deletions
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29
crypto/ahash.c
View File

@ -588,6 +588,35 @@ int crypto_unregister_ahash(struct ahash_alg *alg)
}
EXPORT_SYMBOL_GPL(crypto_unregister_ahash);
int crypto_register_ahashes(struct ahash_alg *algs, int count)
{
int i, ret;
for (i = 0; i < count; i++) {
ret = crypto_register_ahash(&algs[i]);
if (ret)
goto err;
}
return 0;
err:
for (--i; i >= 0; --i)
crypto_unregister_ahash(&algs[i]);
return ret;
}
EXPORT_SYMBOL_GPL(crypto_register_ahashes);
void crypto_unregister_ahashes(struct ahash_alg *algs, int count)
{
int i;
for (i = count - 1; i >= 0; --i)
crypto_unregister_ahash(&algs[i]);
}
EXPORT_SYMBOL_GPL(crypto_unregister_ahashes);
int ahash_register_instance(struct crypto_template *tmpl,
struct ahash_instance *inst)
{

2
include/crypto/internal/hash.h
View File

@ -76,6 +76,8 @@ static inline int crypto_ahash_walk_last(struct crypto_hash_walk *walk)
int crypto_register_ahash(struct ahash_alg *alg);
int crypto_unregister_ahash(struct ahash_alg *alg);
int crypto_register_ahashes(struct ahash_alg *algs, int count);
void crypto_unregister_ahashes(struct ahash_alg *algs, int count);
int ahash_register_instance(struct crypto_template *tmpl,
struct ahash_instance *inst);
void ahash_free_instance(struct crypto_instance *inst);