[PATCH 5/10] crypto: aead - Add multiple algorithm registration interface
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: 2015-05-28 14:08:02
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
This patch adds the helpers that allow the registration and removal of multiple algorithms. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> --- 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 ac44792..07bf997 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 3cb35d8..ba52c37b8 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);