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