mbedtls/programs/hash/hello.c
Krzysztof Stachowiak 5e1b195d1f Unify the example programs' termination
This is done to account for platforms, for which we want custom behavior
upon the program termination, hence we call `mbedtls_exit()` instead of
returning from `main()`.
2019-08-16 06:37:42 +02:00

76 lines
1.9 KiB
C

/*
* Classic "Hello, world" demonstration program
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdlib.h>
#include <stdio.h>
#define mbedtls_printf printf
#define mbedtls_exit exit
#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
#endif
#if defined(MBEDTLS_MD5_C)
#include "mbedtls/md5.h"
#endif
#if !defined(MBEDTLS_MD5_C)
int main( void )
{
mbedtls_printf("MBEDTLS_MD5_C not defined.\n");
mbedtls_exit( 0 );
}
#else
int main( void )
{
int i, ret;
unsigned char digest[16];
char str[] = "Hello, world!";
mbedtls_printf( "\n MD5('%s') = ", str );
if( ( ret = mbedtls_md5_ret( (unsigned char *) str, 13, digest ) ) != 0 )
mbedtls_exit( MBEDTLS_EXIT_FAILURE );
for( i = 0; i < 16; i++ )
mbedtls_printf( "%02x", digest[i] );
mbedtls_printf( "\n\n" );
#if defined(_WIN32)
mbedtls_printf( " Press Enter to exit this program.\n" );
fflush( stdout ); getchar();
#endif
mbedtls_exit( MBEDTLS_EXIT_SUCCESS );
}
#endif /* MBEDTLS_MD5_C */