The Tor Browser: netwerk/srtp/src/crypto/test/rand

netwerk/srtp/src/crypto/test/rand_gen.c@6474c204b198 (annotated)

netwerk/srtp/src/crypto/test/rand_gen.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * rand_gen.c
  *
  * a random source (random number generator)
  *
  * David A. McGrew
  * Cisco Systems, Inc.
  */
 /*
  *
  * 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.
  *
  */
 #include <stdio.h>           /* for printf() */
 #include <unistd.h>          /* for getopt() */
 #include "crypto_kernel.h"
 /*
  * MAX_PRINT_STRING_LEN is defined in datatypes.h, and is the length
  * of the largest hexadecimal string that can be generated by the
  * function octet_string_hex_string().
  */
 #define BUF_LEN (MAX_PRINT_STRING_LEN/2)
 void
 usage(char *prog_name) {
   printf("usage: %s -n <num_bytes> [-l][ -d debug_module ]*\n"
 	 "   -n <num>   output <num> random bytes, where <num>"
 	 " is between zero and %d\n"
 	 "   -l         list the avaliable debug modules\n"
 	 "   -d <mod>   turn on debugging module <mod>\n",
 	 prog_name, BUF_LEN);
   exit(255);
 }
 int
 main (int argc, char *argv[]) {
   extern char *optarg;
   int q;
   int num_octets = 0;
   unsigned do_list_mods = 0;
   err_status_t status;
   if (argc == 1)
     usage(argv[0]);
   /* initialize kernel - we need to do this before anything else */
   status = crypto_kernel_init();
   if (status) {
     printf("error: crypto_kernel init failed\n");
     exit(1);
   }
   /* process input arguments */
   while (1) {
     q = getopt(argc, argv, "ld:n:");
     if (q == -1)
       break;
     switch (q) {
     case 'd':
       status = crypto_kernel_set_debug_module(optarg, 1);
       if (status) {
 	printf("error: set debug module (%s) failed\n", optarg);
 	exit(1);
       }
       break;
     case 'l':
       do_list_mods = 1;
       break;
     case 'n':
       num_octets = atoi(optarg);
       if (num_octets < 0 || num_octets > BUF_LEN)
 	usage(argv[0]);
       break;
     default:
       usage(argv[0]);
     }
   }
   if (do_list_mods) {
     status = crypto_kernel_list_debug_modules();
     if (status) {
       printf("error: list of debug modules failed\n");
       exit(1);
     }
   }
   if (num_octets > 0) {
     uint8_t buffer[BUF_LEN];
     status = crypto_get_random(buffer, num_octets);
     if (status) {
       printf("error: failure in random source\n");
     } else {
       printf("%s\n", octet_string_hex_string(buffer, num_octets));
     }
   }
   status = crypto_kernel_shutdown();
   if (status) {
     printf("error: crypto_kernel shutdown failed\n");
     exit(1);
   }
   return 0;
 }

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netwerk/srtp/src/crypto/test/rand_gen.c@6474c204b198 (annotated)

netwerk/srtp/src/crypto/test/rand_gen.c