1/* $NetBSD: rnd_keys.c,v 1.2 2017/01/28 21:31:47 christos 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#include <krb5/roken.h> 38 39#define HC_DEPRECATED 40 41#ifdef KRB5 42#include <krb5/krb5-types.h> 43#endif 44 45#include <des.h> 46#include <rand.h> 47 48#undef __attribute__ 49#define __attribute__(X) 50 51void HC_DEPRECATED 52DES_rand_data(void *outdata, int size) 53{ 54 RAND_bytes(outdata, size); 55} 56 57void HC_DEPRECATED 58DES_generate_random_block(DES_cblock *block) 59{ 60 RAND_bytes(block, sizeof(*block)); 61} 62 63#define DES_rand_data_key hc_DES_rand_data_key 64 65void HC_DEPRECATED 66DES_rand_data_key(DES_cblock *key); 67 68/* 69 * Generate a random DES key. 70 */ 71 72void HC_DEPRECATED 73DES_rand_data_key(DES_cblock *key) 74{ 75 DES_new_random_key(key); 76} 77 78void HC_DEPRECATED 79DES_set_sequence_number(void *ll) 80{ 81} 82 83void HC_DEPRECATED 84DES_set_random_generator_seed(DES_cblock *seed) 85{ 86 RAND_seed(seed, sizeof(*seed)); 87} 88 89/** 90 * Generate a random des key using a random block, fixup parity and 91 * skip weak keys. 92 * 93 * @param key is set to a random key. 94 * 95 * @return 0 on success, non zero on random number generator failure. 96 * 97 * @ingroup hcrypto_des 98 */ 99 100int HC_DEPRECATED 101DES_new_random_key(DES_cblock *key) 102{ 103 do { 104 if (RAND_bytes(key, sizeof(*key)) != 1) 105 return 1; 106 DES_set_odd_parity(key); 107 } while(DES_is_weak_key(key)); 108 109 return(0); 110} 111 112/** 113 * Seed the random number generator. Deprecated, use @ref page_rand 114 * 115 * @param seed a seed to seed that random number generate with. 116 * 117 * @ingroup hcrypto_des 118 */ 119 120void HC_DEPRECATED 121DES_init_random_number_generator(DES_cblock *seed) 122{ 123 RAND_seed(seed, sizeof(*seed)); 124} 125 126/** 127 * Generate a random key, deprecated since it doesn't return an error 128 * code, use DES_new_random_key(). 129 * 130 * @param key is set to a random key. 131 * 132 * @ingroup hcrypto_des 133 */ 134 135void HC_DEPRECATED 136DES_random_key(DES_cblock *key) 137{ 138 if (DES_new_random_key(key)) 139 abort(); 140} 141