badvpn/examples/brandom2_test.c

/**
 * @file brandom2_test.c
 * @author Ambroz Bizjak <ambrop7@gmail.com>
 * 
 * @section LICENSE
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. Neither the name of the author nor the
 *    names of its contributors may be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 * 
 * 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 AUTHOR 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 <inttypes.h>

#include <misc/debug.h>
#include <random/BRandom2.h>

#define NUM_NUMBERS 10

static BRandom2 brandom;

int main (int argc, char *argv[])
{
    int ret = 1;
    
    if (!BRandom2_Init(&brandom, 0)) {
        DEBUG("BRandom2_Init failed");
        goto fail0;
    }
    
    uint32_t numbers[NUM_NUMBERS];
    if (!BRandom2_GenBytes(&brandom, numbers, sizeof(numbers))) {
        DEBUG("BRandom2_GenBytes failed");
        goto fail1;
    }
    
    for (int i = 0; i < NUM_NUMBERS; i++) {
        printf("%"PRIu32"\n", numbers[i]);
    }
    
    ret = 0;
    
fail1:
    BRandom2_Free(&brandom);
fail0:
    return ret;
}