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
11 #include <stdio.h>
12 #include <string.h>
13 #include <stdlib.h>
14 #include <gmssl/sm3.h>
15
16
main(int argc,char ** argv)17 int main(int argc, char **argv)
18 {
19 SM3_CTX sm3_ctx;
20 uint8_t buf[4096];
21 ssize_t len;
22 uint8_t dgst[32];
23 int i;
24
25 sm3_init(&sm3_ctx);
26 while ((len = fread(buf, 1, sizeof(buf), stdin)) > 0) {
27 sm3_update(&sm3_ctx, buf, len);
28 }
29 sm3_finish(&sm3_ctx, dgst);
30
31 for (i = 0; i < sizeof(dgst); i++) {
32 printf("%02x", dgst[i]);
33 }
34 printf("\n");
35 return 0;
36 }
37