1 /*
2 * Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the License); you may
5 * not use this file except in compliance with the License.
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 */
9
10 #include <stdio.h>
11 #include <string.h>
12 #include <stdlib.h>
13 #include <gmssl/sm3.h>
14
15
main(void)16 int main(void)
17 {
18 SM3_HMAC_CTX hmac_ctx;
19 unsigned char key[16] = {
20 0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,
21 0x01,0xf2,0x03,0x04,0x05,0x06,0x07,0x08,
22 };
23 unsigned char mbuf[16] = {
24 0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
25 0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
26 };
27 unsigned char hmac[32] = {0};
28 int i;
29
30
31 sm3_hmac_init(&hmac_ctx, key, sizeof(key));
32 sm3_hmac_update(&hmac_ctx, mbuf, sizeof(mbuf));
33 sm3_hmac_finish(&hmac_ctx, hmac);
34
35 printf("hmac: ");
36 for (i = 0; i < sizeof(hmac); i++) {
37 printf("%02X", hmac[i]);
38 }
39 printf("\n");
40
41 memset(hmac, 0, sizeof(hmac));
42 sm3_hmac(key, sizeof(key), mbuf, sizeof(mbuf), hmac);
43
44 printf("hmac: ");
45 for (i = 0; i < sizeof(hmac); i++) {
46 printf("%02X", hmac[i]);
47 }
48 printf("\n");
49
50 return 0;
51 }
52