Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 <openssl/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 |
| 71 | extern "C" { |
| 72 | #endif |
| 73 | |
| 74 | #if defined(OPENSSL_FIPS) |
| 75 | #define FIPS_RAND_SIZE_T size_t |
| 76 | #endif |
| 77 | |
| 78 | /* Already defined in ossl_typ.h */ |
| 79 | /* typedef struct rand_meth_st RAND_METHOD; */ |
| 80 | |
| 81 | struct 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 |
| 92 | extern int rand_predictable; |
| 93 | #endif |
| 94 | |
| 95 | int RAND_set_rand_method(const RAND_METHOD *meth); |
| 96 | const RAND_METHOD *RAND_get_rand_method(void); |
| 97 | #ifndef OPENSSL_NO_ENGINE |
| 98 | int RAND_set_rand_engine(ENGINE *engine); |
| 99 | #endif |
| 100 | RAND_METHOD *RAND_SSLeay(void); |
| 101 | void RAND_cleanup(void ); |
| 102 | int RAND_bytes(unsigned char *buf,int num); |
| 103 | int RAND_pseudo_bytes(unsigned char *buf,int num); |
| 104 | void RAND_seed(const void *buf,int num); |
| 105 | void RAND_add(const void *buf,int num,double entropy); |
| 106 | int RAND_load_file(const char *file,long max_bytes); |
| 107 | int RAND_write_file(const char *file); |
| 108 | const char *RAND_file_name(char *file,size_t num); |
| 109 | int RAND_status(void); |
| 110 | int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes); |
| 111 | int RAND_egd(const char *path); |
| 112 | int RAND_egd_bytes(const char *path,int bytes); |
| 113 | int RAND_poll(void); |
| 114 | |
| 115 | #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) |
| 116 | |
| 117 | void RAND_screen(void); |
| 118 | int RAND_event(UINT, WPARAM, LPARAM); |
| 119 | |
| 120 | #endif |
| 121 | |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 122 | /* BEGIN ERROR CODES */ |
| 123 | /* The following lines are auto generated by the script mkerr.pl. Any changes |
| 124 | * made after this point may be overwritten when the script is next run. |
| 125 | */ |
| 126 | void ERR_load_RAND_strings(void); |
| 127 | |
| 128 | /* Error codes for the RAND functions. */ |
| 129 | |
| 130 | /* Function codes. */ |
| 131 | #define RAND_F_RAND_GET_RAND_METHOD 101 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 132 | #define RAND_F_SSLEAY_RAND_BYTES 100 |
| 133 | |
| 134 | /* Reason codes. */ |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 135 | #define RAND_R_PRNG_NOT_SEEDED 100 |
| 136 | |
| 137 | #ifdef __cplusplus |
| 138 | } |
| 139 | #endif |
| 140 | #endif |