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