rnd_keys.c revision 1.1
1/* $NetBSD: rnd_keys.c,v 1.1 2011/04/13 18:14:51 elric Exp $ */ 2 3/* 4 * Copyright (c) 1995, 1996, 1997, 1999 Kungliga Tekniska H��gskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "config.h" 37 38 39#define HC_DEPRECATED 40 41#ifdef KRB5 42#include <krb5/krb5-types.h> 43#endif 44#include <stdlib.h> 45 46#include <des.h> 47#include <rand.h> 48 49#undef __attribute__ 50#define __attribute__(X) 51 52void HC_DEPRECATED 53DES_rand_data(void *outdata, int size) 54{ 55 RAND_bytes(outdata, size); 56} 57 58void HC_DEPRECATED 59DES_generate_random_block(DES_cblock *block) 60{ 61 RAND_bytes(block, sizeof(*block)); 62} 63 64#define DES_rand_data_key hc_DES_rand_data_key 65 66void HC_DEPRECATED 67DES_rand_data_key(DES_cblock *key); 68 69/* 70 * Generate a random DES key. 71 */ 72 73void HC_DEPRECATED 74DES_rand_data_key(DES_cblock *key) 75{ 76 DES_new_random_key(key); 77} 78 79void HC_DEPRECATED 80DES_set_sequence_number(void *ll) 81{ 82} 83 84void HC_DEPRECATED 85DES_set_random_generator_seed(DES_cblock *seed) 86{ 87 RAND_seed(seed, sizeof(*seed)); 88} 89 90/** 91 * Generate a random des key using a random block, fixup parity and 92 * skip weak keys. 93 * 94 * @param key is set to a random key. 95 * 96 * @return 0 on success, non zero on random number generator failure. 97 * 98 * @ingroup hcrypto_des 99 */ 100 101int HC_DEPRECATED 102DES_new_random_key(DES_cblock *key) 103{ 104 do { 105 if (RAND_bytes(key, sizeof(*key)) != 1) 106 return 1; 107 DES_set_odd_parity(key); 108 } while(DES_is_weak_key(key)); 109 110 return(0); 111} 112 113/** 114 * Seed the random number generator. Deprecated, use @ref page_rand 115 * 116 * @param seed a seed to seed that random number generate with. 117 * 118 * @ingroup hcrypto_des 119 */ 120 121void HC_DEPRECATED 122DES_init_random_number_generator(DES_cblock *seed) 123{ 124 RAND_seed(seed, sizeof(*seed)); 125} 126 127/** 128 * Generate a random key, deprecated since it doesn't return an error 129 * code, use DES_new_random_key(). 130 * 131 * @param key is set to a random key. 132 * 133 * @ingroup hcrypto_des 134 */ 135 136void HC_DEPRECATED 137DES_random_key(DES_cblock *key) 138{ 139 if (DES_new_random_key(key)) 140 abort(); 141} 142