Add SM3-HMAC tests

CMakeLists.txt

@@ -160,6 +160,7 @@ set(tests
 	sm4_ctr
 	sm4_gcm
 	sm3
+	sm3_hmac
 	sm4_sm3_hmac
 	sm2_z256
 	sm2_key

tests/sm3_hmactest.c

@@ -0,0 +1,74 @@
+/*
+ *  Copyright 2014-2026 The GmSSL Project. All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the License); you may
+ *  not use this file except in compliance with the License.
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <time.h>
+#include <gmssl/sm3.h>
+#include <gmssl/hex.h>
+#include <gmssl/error.h>
+#include "sm3_hmactest.h"
+
+
+static int test_sm3_hmac(void)
+{
+	size_t i;
+	int failed = 0;
+
+	for (i = 0; i < sizeof(test_sm3_hmac_vectors)/sizeof(test_sm3_hmac_vectors[0]); i++) {
+		const TEST_SM3_HMAC_VECTOR *tv = &test_sm3_hmac_vectors[i];
+		uint8_t key[256];
+		uint8_t msg[256];
+		uint8_t expected[32];
+		uint8_t mac[32];
+		size_t keylen, msglen, taglen;
+		SM3_HMAC_CTX ctx;
+		int match;
+		int ok;
+
+		if (hex_to_bytes(tv->key, strlen(tv->key), key, &keylen) != 1
+			|| hex_to_bytes(tv->msg, strlen(tv->msg), msg, &msglen) != 1
+			|| hex_to_bytes(tv->tag, strlen(tv->tag), expected, &taglen) != 1) {
+			return -1;
+		}
+		// allow truncated tags
+		if (taglen > SM3_HMAC_SIZE) {
+			error_print();
+			return -1;
+		}
+
+		sm3_hmac_init(&ctx, key, keylen);
+		sm3_hmac_update(&ctx, msg, msglen);
+		sm3_hmac_finish(&ctx, mac);
+
+		match = memcmp(mac, expected, taglen) == 0;
+		ok = tv->result == TEST_RESULT_VALID ? match : !match;
+
+		if (!ok) {
+			error_print();
+			return -1;
+		}
+	}
+
+	printf("%s() ok\n", __FUNCTION__);
+	return 1;
+}
+
+int main(void)
+{
+	if (test_sm3_hmac() != 1) goto err;
+	printf("%s all tests passed\n", __FILE__);
+	return 0;
+err:
+	error_print();
+	return 1;
+}