| /* |
| * 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 <unistd.h> /* for getopt() */ |
| #include "crypto_kernel.h" |
| |
| #define BUF_LEN (MAX_PRINT_STRING_LEN/2) |
| |
| int main(int argc, char *argv[]) |
| { |
| int q; |
| extern char *optarg; |
| 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(argc, argv, "pvn:"); |
| if (q == -1) { |
| break; |
| } |
| switch (q) { |
| case 'p': |
| print_values = 1; |
| break; |
| case 'n': |
| num_octets = atoi(optarg); |
| 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; |
| } |
| |