1c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* apps/rand.c */ 2c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* ==================================================================== 3c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. 4c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 5c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Redistribution and use in source and binary forms, with or without 6c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * modification, are permitted provided that the following conditions 7c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * are met: 8c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 9c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 1. Redistributions of source code must retain the above copyright 10c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer. 11c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 12c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 2. Redistributions in binary form must reproduce the above copyright 13c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * notice, this list of conditions and the following disclaimer in 14c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * the documentation and/or other materials provided with the 15c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * distribution. 16c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 17c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 3. All advertising materials mentioning features or use of this 18c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * software must display the following acknowledgment: 19c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes software developed by the OpenSSL Project 20c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 21c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 22c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 23c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * endorse or promote products derived from this software without 24c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * prior written permission. For written permission, please contact 25c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * openssl-core@openssl.org. 26c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 27c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 5. Products derived from this software may not be called "OpenSSL" 28c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * nor may "OpenSSL" appear in their names without prior written 29c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * permission of the OpenSSL Project. 30c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 31c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 6. Redistributions of any form whatsoever must retain the following 32c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * acknowledgment: 33c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * "This product includes software developed by the OpenSSL Project 34c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 35c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 36c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 37c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 38c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 39c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 40c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 41c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 42c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 43c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 44c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 45c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 46c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 47c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * OF THE POSSIBILITY OF SUCH DAMAGE. 48c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * ==================================================================== 49c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 50c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * This product includes cryptographic software written by Eric Young 51c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * (eay@cryptsoft.com). This product includes software written by Tim 52c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * Hudson (tjh@cryptsoft.com). 53c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * 54c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 55c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 56c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include "apps.h" 57c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 58c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <ctype.h> 59c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <stdio.h> 60c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <string.h> 61c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 62c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/bio.h> 63c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/err.h> 64c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#include <openssl/rand.h> 65c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 66c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#undef PROG 67c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#define PROG rand_main 68c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 69c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org/* -out file - write to file 70c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * -rand file:file - PRNG seed files 71c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * -base64 - base64 encode output 72c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * -hex - hex encode output 73c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org * num - write 'num' bytes 74c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org */ 75c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 76c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint MAIN(int, char **); 77c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 78c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgint MAIN(int argc, char **argv) 79c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 80c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int i, r, ret = 1; 81c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int badopt; 82c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *outfile = NULL; 83c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *inrand = NULL; 84c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int base64 = 0; 85c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int hex = 0; 86c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO *out = NULL; 87c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int num = -1; 88c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_ENGINE 89c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org char *engine=NULL; 90c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 91c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 92c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org apps_startup(); 93c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 94c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (bio_err == NULL) 95c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((bio_err = BIO_new(BIO_s_file())) != NULL) 96c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT); 97c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 98c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!load_config(bio_err, NULL)) 99c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto err; 100c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 101c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org badopt = 0; 102c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org i = 0; 103c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org while (!badopt && argv[++i] != NULL) 104c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 105c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (strcmp(argv[i], "-out") == 0) 106c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 107c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((argv[i+1] != NULL) && (outfile == NULL)) 108c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org outfile = argv[++i]; 109c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 110c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org badopt = 1; 111c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 112c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_ENGINE 113c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else if (strcmp(argv[i], "-engine") == 0) 114c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 115c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((argv[i+1] != NULL) && (engine == NULL)) 116c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org engine = argv[++i]; 117c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 118c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org badopt = 1; 119c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 120c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 121c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else if (strcmp(argv[i], "-rand") == 0) 122c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 123c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if ((argv[i+1] != NULL) && (inrand == NULL)) 124c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org inrand = argv[++i]; 125c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 126c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org badopt = 1; 127c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 128c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else if (strcmp(argv[i], "-base64") == 0) 129c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 130c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!base64) 131c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org base64 = 1; 132c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 133c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org badopt = 1; 134c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 135c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else if (strcmp(argv[i], "-hex") == 0) 136c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 137c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!hex) 138c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org hex = 1; 139c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 140c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org badopt = 1; 141c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 142c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else if (isdigit((unsigned char)argv[i][0])) 143c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 144c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (num < 0) 145c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 146c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org r = sscanf(argv[i], "%d", &num); 147c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (r == 0 || num < 0) 148c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org badopt = 1; 149c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 150c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 151c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org badopt = 1; 152c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 153c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 154c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org badopt = 1; 155c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 156c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 157c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (hex && base64) 158c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org badopt = 1; 159c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 160c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (num < 0) 161c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org badopt = 1; 162c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 163c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (badopt) 164c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 165c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio_err, "Usage: rand [options] num\n"); 166c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio_err, "where options are\n"); 167c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio_err, "-out file - write to file\n"); 168c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_ENGINE 169c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio_err, "-engine e - use engine e, possibly a hardware device.\n"); 170c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 171c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio_err, "-rand file%cfile%c... - seed PRNG from files\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 172c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio_err, "-base64 - base64 encode output\n"); 173c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio_err, "-hex - hex encode output\n"); 174c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto err; 175c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 176c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 177c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifndef OPENSSL_NO_ENGINE 178480da75abf485e7e2a6be5acc0f71842368792c0jnd@chromium.org setup_engine(bio_err, engine, 0); 179c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 180c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 181c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org app_RAND_load_file(NULL, bio_err, (inrand != NULL)); 182c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (inrand != NULL) 183c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 184c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org app_RAND_load_files(inrand)); 185c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 186c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org out = BIO_new(BIO_s_file()); 187c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (out == NULL) 188c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto err; 189c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (outfile != NULL) 190c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org r = BIO_write_filename(out, outfile); 191c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 192c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 193c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org r = BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT); 194c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#ifdef OPENSSL_SYS_VMS 195c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 196c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 197c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org out = BIO_push(tmpbio, out); 198c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 199c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org#endif 200c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 201c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (r <= 0) 202c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto err; 203c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 204c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (base64) 205c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 206c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO *b64 = BIO_new(BIO_f_base64()); 207c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (b64 == NULL) 208c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto err; 209c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org out = BIO_push(b64, out); 210c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 211c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 212c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org while (num > 0) 213c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 214c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org unsigned char buf[4096]; 215c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org int chunk; 216c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 217c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org chunk = num; 218c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (chunk > (int)sizeof(buf)) 219c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org chunk = sizeof buf; 220c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org r = RAND_bytes(buf, chunk); 221c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (r <= 0) 222c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org goto err; 223c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (!hex) 224c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_write(out, buf, chunk); 225c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org else 226c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org { 227c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org for (i = 0; i < chunk; i++) 228c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_printf(out, "%02x", buf[i]); 229c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 230c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org num -= chunk; 231c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 232c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (hex) 233c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_puts(out, "\n"); 234c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org (void)BIO_flush(out); 235c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 236c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org app_RAND_write_file(NULL, bio_err); 237c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ret = 0; 238c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org 239c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.orgerr: 240c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org ERR_print_errors(bio_err); 241c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org if (out) 242c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org BIO_free_all(out); 243c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org apps_shutdown(); 244c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org OPENSSL_EXIT(ret); 245c9490d33b98b7affb729b5f1db13cb0a348471aagl@chromium.org } 246