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crypto: aead - Add multiple algorithm registration interface 

This patch adds the helpers that allow the registration and removal
of multiple algorithms.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Herbert Xu 2015-05-28 22:07:59 +08:00
parent 43615369ab
commit caab94612a
2 changed files with 31 additions and 0 deletions
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29
crypto/aead.c
View File

@ -896,6 +896,35 @@ void crypto_unregister_aead(struct aead_alg *alg)
}
EXPORT_SYMBOL_GPL(crypto_unregister_aead);
int crypto_register_aeads(struct aead_alg *algs, int count)
{
int i, ret;
for (i = 0; i < count; i++) {
ret = crypto_register_aead(&algs[i]);
if (ret)
goto err;
}
return 0;
err:
for (--i; i >= 0; --i)
crypto_unregister_aead(&algs[i]);
return ret;
}
EXPORT_SYMBOL_GPL(crypto_register_aeads);
void crypto_unregister_aeads(struct aead_alg *algs, int count)
{
int i;
for (i = count - 1; i >= 0; --i)
crypto_unregister_aead(&algs[i]);
}
EXPORT_SYMBOL_GPL(crypto_unregister_aeads);
int aead_register_instance(struct crypto_template *tmpl,
struct aead_instance *inst)
{

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

@ -152,6 +152,8 @@ static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead)
int crypto_register_aead(struct aead_alg *alg);
void crypto_unregister_aead(struct aead_alg *alg);
int crypto_register_aeads(struct aead_alg *algs, int count);
void crypto_unregister_aeads(struct aead_alg *algs, int count);
int aead_register_instance(struct crypto_template *tmpl,
struct aead_instance *inst);