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authorHannes Reinecke <hare@suse.de>2022-06-27 11:51:57 +0200
committerJens Axboe <axboe@kernel.dk>2022-08-02 17:14:47 -0600
commit85cc424381804386d991f81e08b4933ca1f04214 (patch)
treee25e64678767821da8150875cf66112f64981068 /crypto
parente41f8c0222e30aadc58b84fcb33472a1505018f3 (diff)
crypto: add crypto_has_shash()
Add helper function to determine if a given synchronous hash 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>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/shash.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 0a0a50cb694f..4c88e63b3350 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -521,6 +521,12 @@ struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type,
}
EXPORT_SYMBOL_GPL(crypto_alloc_shash);
+int crypto_has_shash(const char *alg_name, u32 type, u32 mask)
+{
+ return crypto_type_has_alg(alg_name, &crypto_shash_type, type, mask);
+}
+EXPORT_SYMBOL_GPL(crypto_has_shash);
+
static int shash_prepare_alg(struct shash_alg *alg)
{
struct crypto_alg *base = &alg->base;