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/*
* ---------------------------------------------------------------------------
* OpenAES License
* ---------------------------------------------------------------------------
* Copyright (c) 2012, Nabil S. Al Ramli, www.nalramli.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* ---------------------------------------------------------------------------
*/
#include <stdio.h>
#include <stdlib.h>
#include "oaes_lib.h"
/*
*
*/
int main(int argc, char** argv) {
OAES_CTX * ctx = NULL;
uint8_t * _buf;
size_t _data_len;
FILE * f = NULL;
OAES_RET _rc;
if( NULL == ( ctx = oaes_alloc() ) )
{
printf( "Error: Initialization failed.\n" );
return 1;
}
/* ************** Generate 128-bit key and export it **************
* ****************************************************************/
if( OAES_RET_SUCCESS != ( _rc = oaes_key_gen_128(ctx) ) )
{
printf( "Error: Failed to generate 128-bit key [%d].\n", _rc );
oaes_free(&ctx);
return 1;
}
if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, NULL, &_data_len) ) )
{
printf( "Error: Failed to retrieve key length [%d].\n", _rc );
oaes_free(&ctx);
return 1;
}
_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
if( _buf )
{
if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, _buf, &_data_len) ) )
{
printf("Error: Failed to export key [%d].\n", _rc);
free(_buf);
oaes_free(&ctx);
return 1;
}
f = fopen( "key_128", "wb" );
if( f )
{
fwrite(_buf, _data_len, sizeof(uint8_t), f);
fclose(f);
}
free(_buf);
}
/* ************** Generate 192-bit key and export it **************
* ****************************************************************/
if( OAES_RET_SUCCESS != ( _rc = oaes_key_gen_192(ctx) ) )
{
printf( "Error: Failed to generate 192-bit key [%d].\n", _rc );
oaes_free(&ctx);
return 1;
}
if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, NULL, &_data_len) ) )
{
printf( "Error: Failed to retrieve key length [%d].\n", _rc );
oaes_free(&ctx);
return 1;
}
_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
if( _buf )
{
if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, _buf, &_data_len) ) )
{
printf("Error: Failed to export key [%d].\n", _rc);
free(_buf);
oaes_free(&ctx);
return 1;
}
f = fopen("key_192", "wb");
if( f )
{
fwrite(_buf, _data_len, sizeof(uint8_t), f);
fclose(f);
}
free(_buf);
}
/* ************** Generate 256-bit key and export it **************
* ****************************************************************/
if( OAES_RET_SUCCESS != ( _rc = oaes_key_gen_256(ctx) ) )
{
printf("Error: Failed to generate 256-bit key [%d].\n", _rc);
oaes_free(&ctx);
return 1;
}
if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, NULL, &_data_len) ) )
{
printf("Error: Failed to retrieve key length [%d].\n", _rc);
oaes_free(&ctx);
return 1;
}
_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
if( _buf )
{
if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, _buf, &_data_len) ) )
{
printf("Error: Failed to export key [%d].\n", _rc);
free(_buf);
oaes_free(&ctx);
return 1;
}
f = fopen("key_256", "wb");
if( f )
{
fwrite(_buf, _data_len, sizeof(uint8_t), f);
fclose(f);
}
free(_buf);
}
/* ********************** Import 128-bit key **********************
* ****************************************************************/
f = fopen("key_128", "rb");
if( f )
{
fseek(f, 0L, SEEK_END);
_data_len = ftell(f);
fseek(f, 0L, SEEK_SET);
_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
if( _buf )
{
fread(_buf, _data_len, sizeof(uint8_t), f);
if( OAES_RET_SUCCESS !=
( _rc = oaes_key_import(ctx, _buf, _data_len) ) )
{
printf( "Error: Failed to import key [%d].\n", _rc );
free(_buf);
fclose(f);
oaes_free(&ctx);
return 1;
}
free(_buf);
}
fclose(f);
}
/* ********************** Import 192-bit key **********************
* ****************************************************************/
f = fopen("key_192", "rb");
if( f )
{
fseek(f, 0L, SEEK_END);
_data_len = ftell(f);
fseek(f, 0L, SEEK_SET);
_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
if( _buf )
{
fread(_buf, _data_len, sizeof(uint8_t), f);
if( OAES_RET_SUCCESS !=
( _rc = oaes_key_import(ctx, _buf, _data_len) ) )
{
printf("Error: Failed to import key [%d].\n", _rc);
free(_buf);
fclose(f);
oaes_free(&ctx);
return 1;
}
free(_buf);
}
fclose(f);
}
/* ********************** Import 256-bit key **********************
* ****************************************************************/
f = fopen("key_256", "rb");
if( f )
{
fseek(f, 0L, SEEK_END);
_data_len = ftell(f);
fseek(f, 0L, SEEK_SET);
_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
if( _buf )
{
fread(_buf, _data_len, sizeof(uint8_t), f);
if( OAES_RET_SUCCESS !=
( _rc = oaes_key_import(ctx, _buf, _data_len) ) )
{
printf("Error: Failed to import key [%d].\n", _rc);
free(_buf);
fclose(f);
oaes_free(&ctx);
return 1;
}
free(_buf);
}
fclose(f);
}
oaes_free(&ctx);
return (EXIT_SUCCESS);
}
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