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authorTianjia Zhang <tianjia.zhang@linux.alibaba.com>2020-09-21 00:20:54 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2020-09-25 17:48:53 +1000
commitf49282870fb039e3c2e5c3341bd27875282609d7 (patch)
tree0a5907437ebe5bf42e377157b0ea315715a6bfea /crypto
parentd8e887661711d668f5926a3d849c08c203fb0381 (diff)
downloadlinux-f49282870fb039e3c2e5c3341bd27875282609d7.tar.bz2
crypto: sm3 - export crypto_sm3_final function
Both crypto_sm3_update and crypto_sm3_finup have been exported, exporting crypto_sm3_final, to avoid having to use crypto_sm3_finup(desc, NULL, 0, dgst) to calculate the hash in some cases. Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Tested-by: Xufeng Zhang <yunbo.xufeng@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/sm3_generic.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/crypto/sm3_generic.c b/crypto/sm3_generic.c
index 3468975215ca..193c4584bd00 100644
--- a/crypto/sm3_generic.c
+++ b/crypto/sm3_generic.c
@@ -149,17 +149,18 @@ int crypto_sm3_update(struct shash_desc *desc, const u8 *data,
}
EXPORT_SYMBOL(crypto_sm3_update);
-static int sm3_final(struct shash_desc *desc, u8 *out)
+int crypto_sm3_final(struct shash_desc *desc, u8 *out)
{
sm3_base_do_finalize(desc, sm3_generic_block_fn);
return sm3_base_finish(desc, out);
}
+EXPORT_SYMBOL(crypto_sm3_final);
int crypto_sm3_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *hash)
{
sm3_base_do_update(desc, data, len, sm3_generic_block_fn);
- return sm3_final(desc, hash);
+ return crypto_sm3_final(desc, hash);
}
EXPORT_SYMBOL(crypto_sm3_finup);
@@ -167,7 +168,7 @@ static struct shash_alg sm3_alg = {
.digestsize = SM3_DIGEST_SIZE,
.init = sm3_base_init,
.update = crypto_sm3_update,
- .final = sm3_final,
+ .final = crypto_sm3_final,
.finup = crypto_sm3_finup,
.descsize = sizeof(struct sm3_state),
.base = {