1 | /* crypto/rand/rand_lcl.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 | * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. |
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60 | * |
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61 | * Redistribution and use in source and binary forms, with or without |
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62 | * modification, are permitted provided that the following conditions |
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63 | * are met: |
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64 | * |
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65 | * 1. Redistributions of source code must retain the above copyright |
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66 | * notice, this list of conditions and the following disclaimer. |
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67 | * |
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68 | * 2. Redistributions in binary form must reproduce the above copyright |
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69 | * notice, this list of conditions and the following disclaimer in |
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70 | * the documentation and/or other materials provided with the |
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71 | * distribution. |
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72 | * |
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73 | * 3. All advertising materials mentioning features or use of this |
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74 | * software must display the following acknowledgment: |
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75 | * "This product includes software developed by the OpenSSL Project |
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76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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77 | * |
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78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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79 | * endorse or promote products derived from this software without |
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80 | * prior written permission. For written permission, please contact |
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81 | * openssl-core@openssl.org. |
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82 | * |
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83 | * 5. Products derived from this software may not be called "OpenSSL" |
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84 | * nor may "OpenSSL" appear in their names without prior written |
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85 | * permission of the OpenSSL Project. |
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86 | * |
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87 | * 6. Redistributions of any form whatsoever must retain the following |
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88 | * acknowledgment: |
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89 | * "This product includes software developed by the OpenSSL Project |
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90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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91 | * |
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92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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103 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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104 | * ==================================================================== |
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105 | * |
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106 | * This product includes cryptographic software written by Eric Young |
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107 | * (eay@cryptsoft.com). This product includes software written by Tim |
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108 | * Hudson (tjh@cryptsoft.com). |
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109 | * |
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110 | */ |
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111 | |
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112 | #ifndef HEADER_RAND_LCL_H |
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113 | #define HEADER_RAND_LCL_H |
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114 | |
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115 | #define ENTROPY_NEEDED 32 /* require 256 bits = 32 bytes of randomness */ |
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116 | |
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117 | #define OPENSSL_NO_MD5 |
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118 | |
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119 | #if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND) |
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120 | #if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1) |
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121 | #define USE_SHA1_RAND |
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122 | #elif !defined(OPENSSL_NO_MD5) |
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123 | #define USE_MD5_RAND |
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124 | #elif !defined(OPENSSL_NO_MDC2) && !defined(OPENSSL_NO_DES) |
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125 | #define USE_MDC2_RAND |
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126 | #elif !defined(OPENSSL_NO_MD2) |
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127 | #define USE_MD2_RAND |
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128 | #else |
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129 | #error No message digest algorithm available |
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130 | #endif |
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131 | #endif |
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132 | |
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133 | #include "evp.h" |
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134 | #define MD_Update(a,b,c) EVP_DigestUpdate(a,b,c) |
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135 | #define MD_Final(a,b) EVP_DigestFinal_ex(a,b,NULL) |
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136 | #if defined(USE_MD5_RAND) |
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137 | #include "md5.h" |
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138 | #define MD_DIGEST_LENGTH MD5_DIGEST_LENGTH |
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139 | #define MD_Init(a) EVP_DigestInit_ex(a,EVP_md5(), NULL) |
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140 | #define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md5(), NULL) |
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141 | #elif defined(USE_SHA1_RAND) |
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142 | #include "sha.h" |
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143 | #define MD_DIGEST_LENGTH SHA_DIGEST_LENGTH |
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144 | #define MD_Init(a) EVP_DigestInit_ex(a,EVP_sha1(), NULL) |
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145 | #define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_sha1(), NULL) |
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146 | #elif defined(USE_MDC2_RAND) |
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147 | #include "mdc2.h" |
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148 | #define MD_DIGEST_LENGTH MDC2_DIGEST_LENGTH |
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149 | #define MD_Init(a) EVP_DigestInit_ex(a,EVP_mdc2(), NULL) |
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150 | #define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_mdc2(), NULL) |
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151 | #elif defined(USE_MD2_RAND) |
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152 | #include "md2.h" |
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153 | #define MD_DIGEST_LENGTH MD2_DIGEST_LENGTH |
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154 | #define MD_Init(a) EVP_DigestInit_ex(a,EVP_md2(), NULL) |
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155 | #define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md2(), NULL) |
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156 | #endif |
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157 | |
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158 | #ifndef OPENSSL_NO_ENGINE |
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159 | void int_RAND_set_callbacks( |
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160 | int (*set_rand_func)(const RAND_METHOD *meth, |
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161 | const RAND_METHOD **pmeth), |
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162 | const RAND_METHOD *(*get_rand_func) |
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163 | (const RAND_METHOD **pmeth)); |
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164 | int eng_RAND_set_rand_method(const RAND_METHOD *meth, |
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165 | const RAND_METHOD **pmeth); |
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166 | const RAND_METHOD *eng_RAND_get_rand_method(const RAND_METHOD **pmeth); |
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167 | #endif |
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168 | |
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169 | |
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170 | #endif |
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