rand.h revision 1.1.1.2 
1/*	$NetBSD: rand.h,v 1.1.1.2 2011/04/14 14:08:33 elric Exp $	*/
2
3
4/*
5 * Copyright (c) 2006 Kungliga Tekniska H��gskolan
6 * (Royal Institute of Technology, Stockholm, Sweden).
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * 3. Neither the name of the Institute nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37/*
38 * Id
39 */
40
41#ifndef _HEIM_RAND_H
42#define _HEIM_RAND_H 1
43
44typedef struct RAND_METHOD RAND_METHOD;
45
46#include <hcrypto/engine.h>
47
48/* symbol renaming */
49#define RAND_bytes hc_RAND_bytes
50#define RAND_pseudo_bytes hc_RAND_pseudo_bytes
51#define RAND_seed hc_RAND_seed
52#define RAND_cleanup hc_RAND_cleanup
53#define RAND_add hc_RAND_add
54#define RAND_set_rand_method hc_RAND_set_rand_method
55#define RAND_get_rand_method hc_RAND_get_rand_method
56#define RAND_set_rand_engine hc_RAND_set_rand_engine
57#define RAND_file_name hc_RAND_file_name
58#define RAND_load_file hc_RAND_load_file
59#define RAND_write_file hc_RAND_write_file
60#define RAND_status hc_RAND_status
61#define RAND_egd hc_RAND_egd
62#define RAND_egd_bytes hc_RAND_egd_bytes
63#define RAND_fortuna_method hc_RAND_fortuna_method
64#define RAND_egd_method hc_RAND_egd_method
65#define RAND_unix_method hc_RAND_unix_method
66#define RAND_w32crypto_method hc_RAND_w32crypto_method
67
68/*
69 *
70 */
71
72struct RAND_METHOD
73{
74    void (*seed)(const void *, int);
75    int (*bytes)(unsigned char *, int);
76    void (*cleanup)(void);
77    void (*add)(const void *, int, double);
78    int (*pseudorand)(unsigned char *, int);
79    int (*status)(void);
80};
81
82/*
83 *
84 */
85
86int	RAND_bytes(void *, size_t num);
87int	RAND_pseudo_bytes(void *, size_t);
88void	RAND_seed(const void *, size_t);
89void	RAND_cleanup(void);
90void	RAND_add(const void *, size_t, double);
91
92int	RAND_set_rand_method(const RAND_METHOD *);
93const RAND_METHOD *
94	RAND_get_rand_method(void);
95int	RAND_set_rand_engine(ENGINE *);
96
97const char *
98	RAND_file_name(char *, size_t);
99int	RAND_load_file(const char *, size_t);
100int	RAND_write_file(const char *);
101int	RAND_status(void);
102int	RAND_egd(const char *);
103int	RAND_egd_bytes(const char *, int);
104
105
106const RAND_METHOD *	RAND_fortuna_method(void);
107const RAND_METHOD *	RAND_unix_method(void);
108const RAND_METHOD *	RAND_egd_method(void);
109const RAND_METHOD *	RAND_w32crypto_method(void);
110
111#endif /* _HEIM_RAND_H */
112