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Commit 6f7473c5 authored by Rabin Vincent's avatar Rabin Vincent Committed by Herbert Xu
Browse files

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



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

Signed-off-by: default avatarLars Persson <larper@axis.com>
Signed-off-by: default avatarRabin Vincent <rabinv@axis.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent ac6b6f45

crypto/ahash.c

+29 −0
Original line number Diff line number Diff line
@@ -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)

{

include/crypto/internal/hash.h

+2 −0
Original line number Diff line number Diff line
@@ -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);