1/*
2 * Copyright (c) 2011-12 Apple Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24/*
25 * Copyright (c) 2006 Kungliga Tekniska Högskolan
26 * (Royal Institute of Technology, Stockholm, Sweden).
27 * All rights reserved.
28 *
29 * Redistribution and use in source and binary forms, with or without
30 * modification, are permitted provided that the following conditions
31 * are met:
32 *
33 * 1. Redistributions of source code must retain the above copyright
34 *    notice, this list of conditions and the following disclaimer.
35 *
36 * 2. Redistributions in binary form must reproduce the above copyright
37 *    notice, this list of conditions and the following disclaimer in the
38 *    documentation and/or other materials provided with the distribution.
39 *
40 * 3. Neither the name of the Institute nor the names of its contributors
41 *    may be used to endorse or promote products derived from this software
42 *    without specific prior written permission.
43 *
44 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
45 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
48 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
50 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
53 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54 * SUCH DAMAGE.
55 */
56
57#ifndef _OSSL_RAND_H_
58#define _OSSL_RAND_H_    1
59
60typedef struct RAND_METHOD   RAND_METHOD;
61
62#include "ossl-engine.h"
63
64/* symbol renaming */
65#define RAND_bytes			ossl_RAND_bytes
66#define RAND_pseudo_bytes		ossl_RAND_pseudo_bytes
67#define RAND_seed			ossl_RAND_seed
68#define RAND_cleanup			ossl_RAND_cleanup
69#define RAND_add			ossl_RAND_add
70#define RAND_set_rand_method		ossl_RAND_set_rand_method
71#define RAND_get_rand_method		ossl_RAND_get_rand_method
72#define RAND_set_rand_engine		ossl_RAND_set_rand_engine
73#define RAND_file_name			ossl_RAND_file_name
74#define RAND_load_file			ossl_RAND_load_file
75#define RAND_write_file			ossl_RAND_write_file
76#define RAND_status			ossl_RAND_status
77#define RAND_egd			ossl_RAND_egd
78#define RAND_egd_bytes			ossl_RAND_egd_bytes
79#define RAND_fortuna_method		ossl_RAND_fortuna_method
80#define RAND_egd_method			ossl_RAND_egd_method
81#define RAND_unix_method		ossl_RAND_unix_method
82#define RAND_cc_method			ossl_RAND_cc_method
83#define RAND_w32crypto_method		ossl_RAND_w32crypto_method
84
85/*
86 *
87 */
88
89struct RAND_METHOD {
90	void	(*seed)(const void *, int);
91	int	(*bytes)(unsigned char *, int);
92	void	(*cleanup)(void);
93	void	(*add)(const void *, int, double);
94	int	(*pseudorand)(unsigned char *, int);
95	int	(*status)(void);
96};
97
98/*
99 *
100 */
101
102int RAND_bytes(void *, size_t num);
103
104int RAND_pseudo_bytes(void *, size_t);
105void RAND_seed(const void *, size_t);
106void RAND_cleanup(void);
107
108void RAND_add(const void *, size_t, double);
109
110int RAND_set_rand_method(const RAND_METHOD *);
111const RAND_METHOD *
112RAND_get_rand_method(void);
113int RAND_set_rand_engine(ENGINE *);
114
115const char *
116RAND_file_name(char *, size_t);
117int RAND_load_file(const char *, size_t);
118int RAND_write_file(const char *);
119int RAND_status(void);
120int RAND_egd(const char *);
121int RAND_egd_bytes(const char *, int);
122
123
124const RAND_METHOD *RAND_arc4_method(void);
125const RAND_METHOD *RAND_fortuna_method(void);
126const RAND_METHOD *RAND_unix_method(void);
127const RAND_METHOD *RAND_cc_method(void);
128const RAND_METHOD *RAND_egd_method(void);
129const RAND_METHOD *RAND_w32crypto_method(void);
130
131#endif /* _OSSL_RAND_H_ */
132