1 /* $NetBSD: rnd_keys.c,v 1.1.1.1 2011/04/13 18:14:51 elric Exp $ */ 2 3 /* 4 * Copyright (c) 1995, 1996, 1997, 1999 Kungliga Tekniska Högskolan 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 52 void HC_DEPRECATED 53 DES_rand_data(void *outdata, int size) 54 { 55 RAND_bytes(outdata, size); 56 } 57 58 void HC_DEPRECATED 59 DES_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 66 void HC_DEPRECATED 67 DES_rand_data_key(DES_cblock *key); 68 69 /* 70 * Generate a random DES key. 71 */ 72 73 void HC_DEPRECATED 74 DES_rand_data_key(DES_cblock *key) 75 { 76 DES_new_random_key(key); 77 } 78 79 void HC_DEPRECATED 80 DES_set_sequence_number(void *ll) 81 { 82 } 83 84 void HC_DEPRECATED 85 DES_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 */ 100 101 int HC_DEPRECATED 102 DES_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 */ 120 121 void HC_DEPRECATED 122 DES_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 */ 135 136 void HC_DEPRECATED 137 DES_random_key(DES_cblock *key) 138 { 139 if (DES_new_random_key(key)) 140 abort(); 141 } 142