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1 | 13 | up20180614 | /* crypto/rand/rand.h */
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2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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3 | * All rights reserved.
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4 | *
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5 | * This package is an SSL implementation written
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6 | * by Eric Young (eay@cryptsoft.com).
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7 | * The implementation was written so as to conform with Netscapes SSL.
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8 | *
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9 | * This library is free for commercial and non-commercial use as long as
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10 | * the following conditions are aheared to. The following conditions
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11 | * apply to all code found in this distribution, be it the RC4, RSA,
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12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation
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13 | * included with this distribution is covered by the same copyright terms
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14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com).
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15 | *
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16 | * Copyright remains Eric Young's, and as such any Copyright notices in
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17 | * the code are not to be removed.
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18 | * If this package is used in a product, Eric Young should be given attribution
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19 | * as the author of the parts of the library used.
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20 | * This can be in the form of a textual message at program startup or
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21 | * in documentation (online or textual) provided with the package.
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22 | *
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23 | * Redistribution and use in source and binary forms, with or without
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24 | * modification, are permitted provided that the following conditions
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25 | * are met:
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26 | * 1. Redistributions of source code must retain the copyright
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27 | * notice, this list of conditions and the following disclaimer.
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28 | * 2. Redistributions in binary form must reproduce the above copyright
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29 | * notice, this list of conditions and the following disclaimer in the
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30 | * documentation and/or other materials provided with the distribution.
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31 | * 3. All advertising materials mentioning features or use of this software
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32 | * must display the following acknowledgement:
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33 | * "This product includes cryptographic software written by
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34 | * Eric Young (eay@cryptsoft.com)"
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35 | * The word 'cryptographic' can be left out if the rouines from the library
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36 | * being used are not cryptographic related :-).
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37 | * 4. If you include any Windows specific code (or a derivative thereof) from
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38 | * the apps directory (application code) you must include an acknowledgement:
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39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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40 | *
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41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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51 | * SUCH DAMAGE.
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52 | *
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53 | * The licence and distribution terms for any publically available version or
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54 | * derivative of this code cannot be changed. i.e. this code cannot simply be
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55 | * copied and put under another distribution licence
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56 | * [including the GNU Public Licence.]
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57 | */
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58 | |||
59 | #ifndef HEADER_RAND_H
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60 | # define HEADER_RAND_H
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61 | |||
62 | # include <stdlib.h> |
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63 | # include <openssl/ossl_typ.h> |
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64 | # include <openssl/e_os2.h> |
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65 | |||
66 | # if defined(OPENSSL_SYS_WINDOWS)
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67 | # include <windows.h> |
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68 | # endif
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69 | |||
70 | #ifdef __cplusplus
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71 | extern "C" { |
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72 | #endif
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73 | |||
74 | # if defined(OPENSSL_FIPS)
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75 | # define FIPS_RAND_SIZE_T size_t
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76 | # endif
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77 | |||
78 | /* Already defined in ossl_typ.h */
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79 | /* typedef struct rand_meth_st RAND_METHOD; */
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80 | |||
81 | struct rand_meth_st {
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82 | void (*seed) (const void *buf, int num); |
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83 | int (*bytes) (unsigned char *buf, int num); |
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84 | void (*cleanup) (void); |
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85 | void (*add) (const void *buf, int num, double entropy); |
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86 | int (*pseudorand) (unsigned char *buf, int num); |
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87 | int (*status) (void); |
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88 | }; |
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89 | |||
90 | # ifdef BN_DEBUG
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91 | extern int rand_predictable; |
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92 | # endif
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93 | |||
94 | int RAND_set_rand_method(const RAND_METHOD *meth); |
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95 | const RAND_METHOD *RAND_get_rand_method(void); |
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96 | # ifndef OPENSSL_NO_ENGINE
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97 | int RAND_set_rand_engine(ENGINE *engine);
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98 | # endif
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99 | RAND_METHOD *RAND_SSLeay(void);
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100 | void RAND_cleanup(void); |
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101 | int RAND_bytes(unsigned char *buf, int num); |
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102 | int RAND_pseudo_bytes(unsigned char *buf, int num); |
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103 | void RAND_seed(const void *buf, int num); |
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104 | void RAND_add(const void *buf, int num, double entropy); |
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105 | int RAND_load_file(const char *file, long max_bytes); |
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106 | int RAND_write_file(const char *file); |
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107 | const char *RAND_file_name(char *file, size_t num); |
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108 | int RAND_status(void); |
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109 | int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes); |
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110 | int RAND_egd(const char *path); |
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111 | int RAND_egd_bytes(const char *path, int bytes); |
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112 | int RAND_poll(void); |
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113 | |||
114 | # if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
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115 | |||
116 | void RAND_screen(void); |
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117 | int RAND_event(UINT, WPARAM, LPARAM);
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118 | |||
119 | # endif
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120 | |||
121 | # ifdef OPENSSL_FIPS
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122 | void RAND_set_fips_drbg_type(int type, int flags); |
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123 | int RAND_init_fips(void); |
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124 | # endif
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125 | |||
126 | /* BEGIN ERROR CODES */
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127 | /*
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128 | * The following lines are auto generated by the script mkerr.pl. Any changes
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129 | * made after this point may be overwritten when the script is next run.
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130 | */
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131 | void ERR_load_RAND_strings(void); |
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132 | |||
133 | /* Error codes for the RAND functions. */
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134 | |||
135 | /* Function codes. */
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136 | # define RAND_F_RAND_GET_RAND_METHOD 101 |
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137 | # define RAND_F_RAND_INIT_FIPS 102 |
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138 | # define RAND_F_SSLEAY_RAND_BYTES 100 |
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139 | |||
140 | /* Reason codes. */
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141 | # define RAND_R_DUAL_EC_DRBG_DISABLED 104 |
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142 | # define RAND_R_ERROR_INITIALISING_DRBG 102 |
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143 | # define RAND_R_ERROR_INSTANTIATING_DRBG 103 |
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144 | # define RAND_R_NO_FIPS_RANDOM_METHOD_SET 101 |
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145 | # define RAND_R_PRNG_NOT_SEEDED 100 |
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146 | |||
147 | #ifdef __cplusplus
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148 | } |
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149 | #endif
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150 | #endif |