From caab94612ac677523d2bf4a4904c8d080c2c7f73 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Thu, 28 May 2015 22:07:59 +0800 Subject: [PATCH] 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 --- crypto/aead.c | 29 +++++++++++++++++++++++++++++ include/crypto/internal/aead.h | 2 ++ 2 files changed, 31 insertions(+) diff --git a/crypto/aead.c b/crypto/aead.c index ac4479297864..07bf99773548 100644 --- a/crypto/aead.c +++ b/crypto/aead.c @@ -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) { diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h index 3cb35d882930..ba52c37b8c40 100644 --- a/include/crypto/internal/aead.h +++ b/include/crypto/internal/aead.h @@ -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); -- 2.34.1