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d02b48c6 | 1 | /* crypto/rand/rand.h */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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. | |
0f113f3e | 8 | * |
d02b48c6 RE |
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). | |
0f113f3e | 15 | * |
d02b48c6 RE |
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. | |
0f113f3e | 22 | * |
d02b48c6 RE |
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 :-). | |
0f113f3e | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 40 | * |
d02b48c6 RE |
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. | |
0f113f3e | 52 | * |
d02b48c6 RE |
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 | |
0f113f3e | 60 | # define HEADER_RAND_H |
d02b48c6 | 61 | |
0f113f3e MC |
62 | # include <stdlib.h> |
63 | # include <openssl/ossl_typ.h> | |
64 | # include <openssl/e_os2.h> | |
fb96d9d9 | 65 | |
0f113f3e MC |
66 | # if defined(OPENSSL_SYS_WINDOWS) |
67 | # include <windows.h> | |
68 | # endif | |
627774fd | 69 | |
d02b48c6 RE |
70 | #ifdef __cplusplus |
71 | extern "C" { | |
72 | #endif | |
73 | ||
3a87a9b9 GT |
74 | /* Already defined in ossl_typ.h */ |
75 | /* typedef struct rand_meth_st RAND_METHOD; */ | |
76 | ||
0f113f3e MC |
77 | struct rand_meth_st { |
78 | int (*seed) (const void *buf, int num); | |
79 | int (*bytes) (unsigned char *buf, int num); | |
80 | void (*cleanup) (void); | |
81 | int (*add) (const void *buf, int num, double entropy); | |
82 | int (*pseudorand) (unsigned char *buf, int num); | |
83 | int (*status) (void); | |
84 | }; | |
85 | ||
86 | # ifdef BN_DEBUG | |
c9e1fe33 | 87 | extern int rand_predictable; |
0f113f3e | 88 | # endif |
c9e1fe33 | 89 | |
cb78486d GT |
90 | int RAND_set_rand_method(const RAND_METHOD *meth); |
91 | const RAND_METHOD *RAND_get_rand_method(void); | |
0f113f3e | 92 | # ifndef OPENSSL_NO_ENGINE |
cb78486d | 93 | int RAND_set_rand_engine(ENGINE *engine); |
0f113f3e | 94 | # endif |
dfeab068 | 95 | RAND_METHOD *RAND_SSLeay(void); |
0f113f3e MC |
96 | void RAND_cleanup(void); |
97 | int RAND_bytes(unsigned char *buf, int num); | |
302d38e3 MC |
98 | #ifdef OPENSSL_USE_DEPRECATED |
99 | DECLARE_DEPRECATED(int RAND_pseudo_bytes(unsigned char *buf, int num)); | |
100 | #endif | |
0f113f3e MC |
101 | void RAND_seed(const void *buf, int num); |
102 | void RAND_add(const void *buf, int num, double entropy); | |
103 | int RAND_load_file(const char *file, long max_bytes); | |
104 | int RAND_write_file(const char *file); | |
105 | const char *RAND_file_name(char *file, size_t num); | |
4ec2d4d2 | 106 | int RAND_status(void); |
6343829a | 107 | int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes); |
4ec2d4d2 | 108 | int RAND_egd(const char *path); |
0f113f3e | 109 | int RAND_egd_bytes(const char *path, int bytes); |
c0722725 | 110 | int RAND_poll(void); |
82271cee | 111 | |
0f113f3e | 112 | # if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) |
82271cee | 113 | |
d02b48c6 | 114 | void RAND_screen(void); |
c97b11f4 | 115 | int RAND_event(UINT, WPARAM, LPARAM); |
82271cee | 116 | |
0f113f3e | 117 | # endif |
627774fd | 118 | |
0f113f3e | 119 | # ifdef OPENSSL_FIPS |
05e24c87 | 120 | int RAND_init_fips(void); |
0f113f3e | 121 | # endif |
05e24c87 | 122 | |
eb952088 | 123 | /* BEGIN ERROR CODES */ |
0f113f3e MC |
124 | /* |
125 | * The following lines are auto generated by the script mkerr.pl. Any changes | |
eb952088 UM |
126 | * made after this point may be overwritten when the script is next run. |
127 | */ | |
7ae551fd | 128 | void ERR_load_RAND_strings(void); |
eb952088 UM |
129 | |
130 | /* Error codes for the RAND functions. */ | |
131 | ||
132 | /* Function codes. */ | |
0f113f3e MC |
133 | # define RAND_F_FIPS_RAND 102 |
134 | # define RAND_F_FIPS_RAND_SET_DT 103 | |
135 | # define RAND_F_FIPS_SET_PRNG_SEED 104 | |
136 | # define RAND_F_FIPS_SET_TEST_MODE 105 | |
137 | # define RAND_F_FIPS_X931_SET_DT 106 | |
138 | # define RAND_F_RAND_GET_RAND_METHOD 101 | |
139 | # define RAND_F_SSLEAY_RAND_BYTES 100 | |
eb952088 UM |
140 | |
141 | /* Reason codes. */ | |
0f113f3e MC |
142 | # define RAND_R_NOT_IN_TEST_MODE 101 |
143 | # define RAND_R_NO_KEY_SET 102 | |
144 | # define RAND_R_PRNG_ERROR 103 | |
145 | # define RAND_R_PRNG_KEYED 104 | |
146 | # define RAND_R_PRNG_NOT_SEEDED 100 | |
147 | # define RAND_R_PRNG_SEED_MUST_NOT_MATCH_KEY 105 | |
148 | # define RAND_R_PRNG_STUCK 106 | |
eb952088 | 149 | |
65e81670 BM |
150 | #ifdef __cplusplus |
151 | } | |
152 | #endif | |
d02b48c6 | 153 | #endif |