source: trunk/sys/libcrypto/include/openssl/rand.h @ 123

Last change on this file since 123 was 1, checked in by alain, 8 years ago

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1/* crypto/rand/rand.h */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to.  The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 *    notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 *    notice, this list of conditions and the following disclaimer in the
30 *    documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 *    must display the following acknowledgement:
33 *    "This product includes cryptographic software written by
34 *     Eric Young (eay@cryptsoft.com)"
35 *    The word 'cryptographic' can be left out if the rouines from the library
36 *    being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 *    the apps directory (application code) you must include an acknowledgement:
39 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed.  i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#ifndef HEADER_RAND_H
60#define HEADER_RAND_H
61
62#include <stdlib.h>
63#include "ossl_typ.h"
64//#include <openssl/e_os2.h>
65
66#if defined(OPENSSL_SYS_WINDOWS)
67#include <windows.h>
68#endif
69
70#ifdef  __cplusplus
71extern "C" {
72#endif
73
74#if defined(OPENSSL_FIPS)
75#define FIPS_RAND_SIZE_T int
76#endif
77
78/* Already defined in ossl_typ.h */
79/* typedef struct rand_meth_st RAND_METHOD; */
80
81struct rand_meth_st
82        {
83        void (*seed)(const void *buf, int num);
84        int (*bytes)(unsigned char *buf, int num);
85        void (*cleanup)(void);
86        void (*add)(const void *buf, int num, double entropy);
87        int (*pseudorand)(unsigned char *buf, int num);
88        int (*status)(void);
89        };
90
91#ifdef BN_DEBUG
92extern int rand_predictable;
93#endif
94
95int RAND_set_rand_method(const RAND_METHOD *meth);
96const RAND_METHOD *RAND_get_rand_method(void);
97#ifndef OPENSSL_NO_ENGINE
98int RAND_set_rand_engine(ENGINE *engine);
99#endif
100RAND_METHOD *RAND_SSLeay(void);
101void RAND_cleanup(void );
102int  RAND_bytes(unsigned char *buf,int num);
103int  RAND_pseudo_bytes(unsigned char *buf,int num);
104void RAND_seed(const void *buf,int num);
105void RAND_add(const void *buf,int num,double entropy);
106int  RAND_load_file(const char *file,long max_bytes);
107int  RAND_write_file(const char *file);
108const char *RAND_file_name(char *file,size_t num);
109int RAND_status(void);
110int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes);
111int RAND_egd(const char *path);
112int RAND_egd_bytes(const char *path,int bytes);
113int RAND_poll(void);
114#ifndef OPENSSL_NO_ENGINE
115#ifdef OPENSSL_FIPS
116void int_RAND_init_engine_callbacks(void);
117void int_RAND_set_callbacks(
118        int (*set_rand_func)(const RAND_METHOD *meth,
119                                                const RAND_METHOD **pmeth),
120        const RAND_METHOD *(*get_rand_func)(const RAND_METHOD **pmeth));
121#endif
122#endif
123
124#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
125
126void RAND_screen(void);
127int RAND_event(UINT, WPARAM, LPARAM);
128
129#endif
130
131/* BEGIN ERROR CODES */
132/* The following lines are auto generated by the script mkerr.pl. Any changes
133 * made after this point may be overwritten when the script is next run.
134 */
135void ERR_load_RAND_strings(void);
136
137/* Error codes for the RAND functions. */
138
139/* Function codes. */
140#define RAND_F_ENG_RAND_GET_RAND_METHOD                  108
141#define RAND_F_FIPS_RAND                                 103
142#define RAND_F_FIPS_RAND_BYTES                           102
143#define RAND_F_FIPS_RAND_GET_RAND_METHOD                 109
144#define RAND_F_FIPS_RAND_SET_DT                          106
145#define RAND_F_FIPS_SET_DT                               104
146#define RAND_F_FIPS_SET_PRNG_SEED                        107
147#define RAND_F_FIPS_SET_TEST_MODE                        105
148#define RAND_F_RAND_GET_RAND_METHOD                      101
149#define RAND_F_SSLEAY_RAND_BYTES                         100
150
151/* Reason codes. */
152#define RAND_R_NON_FIPS_METHOD                           105
153#define RAND_R_NOT_IN_TEST_MODE                          106
154#define RAND_R_NO_KEY_SET                                107
155#define RAND_R_PRNG_ASKING_FOR_TOO_MUCH                  101
156#define RAND_R_PRNG_ERROR                                108
157#define RAND_R_PRNG_KEYED                                109
158#define RAND_R_PRNG_NOT_REKEYED                          102
159#define RAND_R_PRNG_NOT_RESEEDED                         103
160#define RAND_R_PRNG_NOT_SEEDED                           100
161#define RAND_R_PRNG_SEED_MUST_NOT_MATCH_KEY              110
162#define RAND_R_PRNG_STUCK                                104
163
164#ifdef  __cplusplus
165}
166#endif
167#endif
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