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/*
* Soak test the RNG for exhaustion failures
*/
/*
*
* Copyright (c) 2001-2006, Cisco Systems, Inc.
* 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.
*
* Neither the name of the Cisco Systems, Inc. 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
* COPYRIGHT HOLDERS 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.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h> /* for printf() */
#include "getopt_s.h"
#include "crypto_kernel.h"
#define BUF_LEN (MAX_PRINT_STRING_LEN/2)
int main(int argc, char *argv[])
{
int q;
int num_octets = 0;
err_status_t status;
uint32_t iterations = 0;
int print_values = 0;
if (argc == 1) {
exit(255);
}
status = crypto_kernel_init();
if (status) {
printf("error: crypto_kernel init failed\n");
exit(1);
}
while (1) {
q = getopt_s(argc, argv, "pvn:");
if (q == -1) {
break;
}
switch (q) {
case 'p':
print_values = 1;
break;
case 'n':
num_octets = atoi(optarg_s);
if (num_octets < 0 || num_octets > BUF_LEN) {
exit(255);
}
break;
case 'v':
num_octets = 30;
print_values = 0;
break;
default:
exit(255);
}
}
if (num_octets > 0) {
while (iterations < 300000) {
uint8_t buffer[BUF_LEN];
status = crypto_get_random(buffer, num_octets);
if (status) {
printf("iteration %d error: failure in random source\n", iterations);
exit(255);
} else if (print_values) {
printf("%s\n", octet_string_hex_string(buffer, num_octets));
}
iterations++;
}
}
status = crypto_kernel_shutdown();
if (status) {
printf("error: crypto_kernel shutdown failed\n");
exit(1);
}
return 0;
}
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