[PATCH 02/11] crypto: add crypto_has_kpp()
From: Hannes Reinecke <hare@suse.de>
Date: 2021-07-16 11:05:14
Also in:
linux-nvme
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
Add helper function to determine if a given key-agreement protocol primitive is supported. Signed-off-by: Hannes Reinecke <hare@suse.de> --- crypto/kpp.c | 6 ++++++ include/crypto/kpp.h | 2 ++ 2 files changed, 8 insertions(+)
diff --git a/crypto/kpp.c b/crypto/kpp.c
index 313b2c699963..416e8a1a03ee 100644
--- a/crypto/kpp.c
+++ b/crypto/kpp.c@@ -87,6 +87,12 @@ struct crypto_kpp *crypto_alloc_kpp(const char *alg_name, u32 type, u32 mask) } EXPORT_SYMBOL_GPL(crypto_alloc_kpp); +int crypto_has_kpp(const char *alg_name, u32 type, u32 mask) +{ + return crypto_type_has_alg(alg_name, &crypto_kpp_type, type, mask); +} +EXPORT_SYMBOL_GPL(crypto_has_kpp); + static void kpp_prepare_alg(struct kpp_alg *alg) { struct crypto_alg *base = &alg->base;
diff --git a/include/crypto/kpp.h b/include/crypto/kpp.h
index cccceadc164b..24d01e9877c1 100644
--- a/include/crypto/kpp.h
+++ b/include/crypto/kpp.h@@ -104,6 +104,8 @@ struct kpp_alg { */ struct crypto_kpp *crypto_alloc_kpp(const char *alg_name, u32 type, u32 mask); +int crypto_has_kpp(const char *alg_name, u32 type, u32 mask); + static inline struct crypto_tfm *crypto_kpp_tfm(struct crypto_kpp *tfm) { return &tfm->base;
--
2.29.2