134 lines
3.7 KiB
C
Executable file
134 lines
3.7 KiB
C
Executable file
/**
|
|
* \brief Generate random data into a file
|
|
*
|
|
* Copyright The Mbed TLS Contributors
|
|
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
|
|
*
|
|
* This file is provided under the Apache License 2.0, or the
|
|
* GNU General Public License v2.0 or later.
|
|
*
|
|
* **********
|
|
* Apache License 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.
|
|
*
|
|
* **********
|
|
*
|
|
* **********
|
|
* GNU General Public License v2.0 or later:
|
|
*
|
|
* This program 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.
|
|
*
|
|
* This program 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 02110-1301 USA.
|
|
*
|
|
* **********
|
|
*/
|
|
|
|
#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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#define mbedtls_fprintf fprintf
|
|
#define mbedtls_printf printf
|
|
#define mbedtls_exit exit
|
|
#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
|
|
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
|
|
#endif /* MBEDTLS_PLATFORM_C */
|
|
|
|
#if defined(MBEDTLS_HAVEGE_C) && defined(MBEDTLS_FS_IO)
|
|
#include "mbedtls/havege.h"
|
|
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#endif
|
|
|
|
#if !defined(MBEDTLS_HAVEGE_C) || !defined(MBEDTLS_FS_IO)
|
|
int main( void )
|
|
{
|
|
mbedtls_printf("MBEDTLS_HAVEGE_C not defined.\n");
|
|
mbedtls_exit( 0 );
|
|
}
|
|
#else
|
|
|
|
|
|
int main( int argc, char *argv[] )
|
|
{
|
|
FILE *f;
|
|
time_t t;
|
|
int i, k, ret = 1;
|
|
int exit_code = MBEDTLS_EXIT_FAILURE;
|
|
mbedtls_havege_state hs;
|
|
unsigned char buf[1024];
|
|
|
|
if( argc < 2 )
|
|
{
|
|
mbedtls_fprintf( stderr, "usage: %s <output filename>\n", argv[0] );
|
|
mbedtls_exit( exit_code );
|
|
}
|
|
|
|
if( ( f = fopen( argv[1], "wb+" ) ) == NULL )
|
|
{
|
|
mbedtls_printf( "failed to open '%s' for writing.\n", argv[1] );
|
|
mbedtls_exit( exit_code );
|
|
}
|
|
|
|
mbedtls_havege_init( &hs );
|
|
|
|
t = time( NULL );
|
|
|
|
for( i = 0, k = 768; i < k; i++ )
|
|
{
|
|
if( ( ret = mbedtls_havege_random( &hs, buf, sizeof( buf ) ) ) != 0 )
|
|
{
|
|
mbedtls_printf( " failed\n ! mbedtls_havege_random returned -0x%04X",
|
|
-ret );
|
|
goto exit;
|
|
}
|
|
|
|
fwrite( buf, sizeof( buf ), 1, f );
|
|
|
|
mbedtls_printf( "Generating %ldkb of data in file '%s'... %04.1f" \
|
|
"%% done\r", (long)(sizeof(buf) * k / 1024), argv[1], (100 * (float) (i + 1)) / k );
|
|
fflush( stdout );
|
|
}
|
|
|
|
if( t == time( NULL ) )
|
|
t--;
|
|
|
|
mbedtls_printf(" \n ");
|
|
|
|
exit_code = MBEDTLS_EXIT_SUCCESS;
|
|
|
|
exit:
|
|
mbedtls_havege_free( &hs );
|
|
fclose( f );
|
|
mbedtls_exit( exit_code );
|
|
}
|
|
#endif /* MBEDTLS_HAVEGE_C */
|