From 9e2f284e149124aa9a6b963882d2b39ae1742196 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Mon, 27 Jun 2022 11:51:58 +0200
Subject: crypto: add crypto_has_kpp()

Add helper function to determine if a given key-agreement protocol
primitive is supported.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 crypto/kpp.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'crypto')

diff --git a/crypto/kpp.c b/crypto/kpp.c
index 7aa6ba4b60a4..678e871ce418 100644
--- a/crypto/kpp.c
+++ b/crypto/kpp.c
@@ -104,6 +104,12 @@ int crypto_grab_kpp(struct crypto_kpp_spawn *spawn,
 }
 EXPORT_SYMBOL_GPL(crypto_grab_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;
-- 
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