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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. | |
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 | ||
5238fccc | 62 | #include <stdlib.h> |
2aa9043a | 63 | #include <openssl/ossl_typ.h> |
cce9396d | 64 | #include <openssl/e_os2.h> |
fb96d9d9 RL |
65 | |
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 | ||
dfeab068 RE |
74 | typedef struct rand_meth_st |
75 | { | |
bf5dcd13 | 76 | void (*seed)(const void *buf, int num); |
eb952088 | 77 | int (*bytes)(unsigned char *buf, int num); |
dfeab068 | 78 | void (*cleanup)(void); |
853f757e | 79 | void (*add)(const void *buf, int num, double entropy); |
373b575f | 80 | int (*pseudorand)(unsigned char *buf, int num); |
5eb8ca4d | 81 | int (*status)(void); |
dfeab068 RE |
82 | } RAND_METHOD; |
83 | ||
c9e1fe33 UM |
84 | #ifdef BN_DEBUG |
85 | extern int rand_predictable; | |
86 | #endif | |
87 | ||
cb78486d GT |
88 | int RAND_set_rand_method(const RAND_METHOD *meth); |
89 | const RAND_METHOD *RAND_get_rand_method(void); | |
90 | int RAND_set_rand_engine(ENGINE *engine); | |
dfeab068 | 91 | RAND_METHOD *RAND_SSLeay(void); |
d02b48c6 | 92 | void RAND_cleanup(void ); |
eb952088 | 93 | int RAND_bytes(unsigned char *buf,int num); |
373b575f | 94 | int RAND_pseudo_bytes(unsigned char *buf,int num); |
bf5dcd13 | 95 | void RAND_seed(const void *buf,int num); |
853f757e | 96 | void RAND_add(const void *buf,int num,double entropy); |
41c62a8e BL |
97 | int RAND_load_file(const char *file,long max_bytes); |
98 | int RAND_write_file(const char *file); | |
627774fd | 99 | const char *RAND_file_name(char *file,size_t num); |
4ec2d4d2 | 100 | int RAND_status(void); |
599c0353 | 101 | int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes); |
4ec2d4d2 | 102 | int RAND_egd(const char *path); |
1921eaad | 103 | int RAND_egd_bytes(const char *path,int bytes); |
c0722725 | 104 | int RAND_poll(void); |
82271cee | 105 | |
32bf74e3 | 106 | #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) |
82271cee | 107 | |
d02b48c6 | 108 | void RAND_screen(void); |
c97b11f4 | 109 | int RAND_event(UINT, WPARAM, LPARAM); |
82271cee | 110 | |
627774fd RL |
111 | #endif |
112 | ||
eb952088 UM |
113 | /* BEGIN ERROR CODES */ |
114 | /* The following lines are auto generated by the script mkerr.pl. Any changes | |
115 | * made after this point may be overwritten when the script is next run. | |
116 | */ | |
7ae551fd | 117 | void ERR_load_RAND_strings(void); |
eb952088 UM |
118 | |
119 | /* Error codes for the RAND functions. */ | |
120 | ||
121 | /* Function codes. */ | |
7ae551fd | 122 | #define RAND_F_RAND_GET_RAND_METHOD 101 |
eb952088 UM |
123 | #define RAND_F_SSLEAY_RAND_BYTES 100 |
124 | ||
125 | /* Reason codes. */ | |
126 | #define RAND_R_PRNG_NOT_SEEDED 100 | |
127 | ||
65e81670 BM |
128 | #ifdef __cplusplus |
129 | } | |
130 | #endif | |
d02b48c6 | 131 | #endif |