1 /*
2  *  Classic "Hello, world" demonstration program
3  *
4  *  Copyright The Mbed TLS Contributors
5  *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
6  */
7 
8 #include "mbedtls/build_info.h"
9 
10 #include "mbedtls/platform.h"
11 
12 #if defined(MBEDTLS_MD5_C)
13 #include "mbedtls/md5.h"
14 #endif
15 
16 #if !defined(MBEDTLS_MD5_C)
main(void)17 int main(void)
18 {
19     mbedtls_printf("MBEDTLS_MD5_C not defined.\n");
20     mbedtls_exit(0);
21 }
22 #else
23 
24 
main(void)25 int main(void)
26 {
27     int i, ret;
28     unsigned char digest[16];
29     char str[] = "Hello, world!";
30 
31     mbedtls_printf("\n  MD5('%s') = ", str);
32 
33     if ((ret = mbedtls_md5((unsigned char *) str, 13, digest)) != 0) {
34         mbedtls_exit(MBEDTLS_EXIT_FAILURE);
35     }
36 
37     for (i = 0; i < 16; i++) {
38         mbedtls_printf("%02x", digest[i]);
39     }
40 
41     mbedtls_printf("\n\n");
42 
43     mbedtls_exit(MBEDTLS_EXIT_SUCCESS);
44 }
45 #endif /* MBEDTLS_MD5_C */
46