1 /* $OpenBSD: rand_lib.c,v 1.20 2014/10/22 13:02:04 jsing Exp $ */
2 /*
3 * Copyright (c) 2014 Ted Unangst <tedu@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <stdlib.h>
19
20 #include <openssl/opensslconf.h>
21
22 #include <openssl/rand.h>
23
24 /*
25 * The useful functions in this file are at the bottom.
26 */
27 int
RAND_set_rand_method(const RAND_METHOD * meth)28 RAND_set_rand_method(const RAND_METHOD *meth)
29 {
30 return 1;
31 }
32
33 const RAND_METHOD *
RAND_get_rand_method(void)34 RAND_get_rand_method(void)
35 {
36 return NULL;
37 }
38
39 RAND_METHOD *
RAND_SSLeay(void)40 RAND_SSLeay(void)
41 {
42 return NULL;
43 }
44
45 #ifndef OPENSSL_NO_ENGINE
46 int
RAND_set_rand_engine(ENGINE * engine)47 RAND_set_rand_engine(ENGINE *engine)
48 {
49 return 1;
50 }
51 #endif
52
53 void
RAND_cleanup(void)54 RAND_cleanup(void)
55 {
56
57 }
58
59 void
RAND_seed(const void * buf,int num)60 RAND_seed(const void *buf, int num)
61 {
62
63 }
64
65 void
RAND_add(const void * buf,int num,double entropy)66 RAND_add(const void *buf, int num, double entropy)
67 {
68
69 }
70
71 int
RAND_status(void)72 RAND_status(void)
73 {
74 return 1;
75 }
76
77 int
RAND_poll(void)78 RAND_poll(void)
79 {
80 return 1;
81 }
82
83 /*
84 * Hurray. You've made it to the good parts.
85 */
86 int
RAND_bytes(unsigned char * buf,int num)87 RAND_bytes(unsigned char *buf, int num)
88 {
89 if (num > 0)
90 arc4random_buf(buf, num);
91 return 1;
92 }
93
94 int
RAND_pseudo_bytes(unsigned char * buf,int num)95 RAND_pseudo_bytes(unsigned char *buf, int num)
96 {
97 if (num > 0)
98 arc4random_buf(buf, num);
99 return 1;
100 }
101