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1 /* 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 |
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59 #ifndef HEADER_RAND_H |
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60 #define HEADER_RAND_H |
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61 |
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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 |
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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 |
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70 #ifdef __cplusplus |
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71 extern "C" { |
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72 #endif |
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73 |
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74 typedef struct rand_meth_st |
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75 { |
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76 void (*seed)(const void *buf, int num); |
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77 int (*bytes)(unsigned char *buf, int num); |
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78 void (*cleanup)(void); |
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79 void (*add)(const void *buf, int num, double entropy); |
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80 int (*pseudorand)(unsigned char *buf, int num); |
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81 int (*status)(void); |
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82 } RAND_METHOD; |
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83 |
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84 #ifdef BN_DEBUG |
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85 extern int rand_predictable; |
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86 #endif |
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87 |
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88 int RAND_set_rand_method(const RAND_METHOD *meth); |
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89 const RAND_METHOD *RAND_get_rand_method(void); |
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90 #ifndef OPENSSL_NO_ENGINE |
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91 int RAND_set_rand_engine(ENGINE *engine); |
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92 #endif |
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93 RAND_METHOD *RAND_SSLeay(void); |
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94 void RAND_cleanup(void ); |
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95 int RAND_bytes(unsigned char *buf,int num); |
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96 int RAND_pseudo_bytes(unsigned char *buf,int num); |
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97 void RAND_seed(const void *buf,int num); |
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98 void RAND_add(const void *buf,int num,double entropy); |
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99 int RAND_load_file(const char *file,long max_bytes); |
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100 int RAND_write_file(const char *file); |
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101 const char *RAND_file_name(char *file,size_t num); |
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102 int RAND_status(void); |
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103 int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes); |
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104 int RAND_egd(const char *path); |
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105 int RAND_egd_bytes(const char *path,int bytes); |
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106 int RAND_poll(void); |
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107 |
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108 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) |
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109 |
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110 void RAND_screen(void); |
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111 int RAND_event(UINT, WPARAM, LPARAM); |
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112 |
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113 #endif |
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114 |
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115 /* BEGIN ERROR CODES */ |
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116 /* The following lines are auto generated by the script mkerr.pl. Any changes |
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117 * made after this point may be overwritten when the script is next run. |
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118 */ |
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119 void ERR_load_RAND_strings(void); |
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120 |
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121 /* Error codes for the RAND functions. */ |
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122 |
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123 /* Function codes. */ |
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124 #define RAND_F_RAND_GET_RAND_METHOD 101 |
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125 #define RAND_F_SSLEAY_RAND_BYTES 100 |
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126 |
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127 /* Reason codes. */ |
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128 #define RAND_R_PRNG_NOT_SEEDED 100 |
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129 |
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130 #ifdef __cplusplus |
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131 } |
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132 #endif |
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133 #endif |
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134 |