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
DES_rand_data(void * outdata,int size)53 DES_rand_data(void *outdata, int size)
54 {
55 RAND_bytes(outdata, size);
56 }
57
58 void HC_DEPRECATED
DES_generate_random_block(DES_cblock * block)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
DES_rand_data_key(DES_cblock * key)74 DES_rand_data_key(DES_cblock *key)
75 {
76 DES_new_random_key(key);
77 }
78
79 void HC_DEPRECATED
DES_set_sequence_number(void * ll)80 DES_set_sequence_number(void *ll)
81 {
82 }
83
84 void HC_DEPRECATED
DES_set_random_generator_seed(DES_cblock * seed)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
DES_new_random_key(DES_cblock * key)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
DES_init_random_number_generator(DES_cblock * seed)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
DES_random_key(DES_cblock * key)137 DES_random_key(DES_cblock *key)
138 {
139 if (DES_new_random_key(key))
140 abort();
141 }
142