From f609cb5185acb0955d66795cb297e9fe9d83405a Mon Sep 17 00:00:00 2001
From: HuaxinLu <luhuaxin1@huawei.com>
Date: Thu, 30 Jun 2022 14:36:05 +0800
Subject: [PATCH] libkmod: Support SM3 hash algorithm

SM3 has been supported in kernel and cryptographic libraries like openssl.
This patch adds support for the SM3 algorithm of kmod.

Signed-off-by: HuaxinLu <luhuaxin1@huawei.com>
---
 libkmod/libkmod-signature.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libkmod/libkmod-signature.c b/libkmod/libkmod-signature.c
index 4e8748c26c1c..4ae5af63ac22 100644
--- a/libkmod/libkmod-signature.c
+++ b/libkmod/libkmod-signature.c
@@ -56,6 +56,7 @@ enum pkey_hash_algo {
 	PKEY_HASH_SHA384,
 	PKEY_HASH_SHA512,
 	PKEY_HASH_SHA224,
+	PKEY_HASH_SM3,
 	PKEY_HASH__LAST
 };
 
@@ -68,6 +69,7 @@ const char *const pkey_hash_algo[PKEY_HASH__LAST] = {
 	[PKEY_HASH_SHA384]	= "sha384",
 	[PKEY_HASH_SHA512]	= "sha512",
 	[PKEY_HASH_SHA224]	= "sha224",
+	[PKEY_HASH_SM3]		= "sm3",
 };
 
 enum pkey_id_type {
@@ -161,6 +163,10 @@ static int obj_to_hash_algo(const ASN1_OBJECT *o)
 		return PKEY_HASH_SHA512;
 	case NID_sha224:
 		return PKEY_HASH_SHA224;
+# ifndef OPENSSL_NO_SM3
+	case NID_sm3:
+		return PKEY_HASH_SM3;
+# endif
 	default:
 		return -1;
 	}
-- 
2.24.3 (Apple Git-128)