wolfssl-examples/cmake/myApp.c

66 lines
1.7 KiB
C

/* myApp.c
*
* Copyright (C) 2006-2022 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#include <wolfssl/wolfcrypt/settings.h> /* using user_settings.h for example */
#include <wolfssl/wolfcrypt/sha256.h>
#include <wolfssl/wolfcrypt/wc_port.h>
#include <stdio.h>
int main(int argc, char** argv)
{
wc_Sha256 sha;
byte digest[WC_SHA256_DIGEST_SIZE];
int i, ret;
if (argc != 2) {
printf("%s <to be hashed>\n", argv[0]);
return -1;
}
ret = wolfCrypt_Init();
if (ret == 0) {
ret = wc_InitSha256(&sha);
}
if (ret == 0) {
ret = wc_Sha256Update(&sha, (const byte*)argv[1],
(word32)XSTRLEN(argv[1]));
}
if (ret == 0) {
ret = wc_Sha256Final(&sha, digest);
}
if (ret != 0) {
printf("Error %d\n", ret);
}
if (ret == 0) {
printf("Hash in hex : ");
for (i = 0; i < WC_SHA256_DIGEST_SIZE; i++) {
printf("%02X", digest[i]);
}
printf("\n");
}
wolfCrypt_Cleanup();
return 0;
}