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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 |
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118 #if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND) |
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119 #if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1) |
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120 #define USE_SHA1_RAND |
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121 #elif !defined(OPENSSL_NO_MD5) |
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122 #define USE_MD5_RAND |
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123 #elif !defined(OPENSSL_NO_MDC2) && !defined(OPENSSL_NO_DES) |
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124 #define USE_MDC2_RAND |
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125 #elif !defined(OPENSSL_NO_MD2) |
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126 #define USE_MD2_RAND |
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127 #else |
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128 #error No message digest algorithm available |
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129 #endif |
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130 #endif |
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131 |
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132 #include <openssl/evp.h> |
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133 #define MD_Update(a,b,c) EVP_DigestUpdate(a,b,c) |
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134 #define MD_Final(a,b) EVP_DigestFinal_ex(a,b,NULL) |
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135 #if defined(USE_MD5_RAND) |
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136 #include <openssl/md5.h> |
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137 #define MD_DIGEST_LENGTH MD5_DIGEST_LENGTH |
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138 #define MD_Init(a) EVP_DigestInit_ex(a,EVP_md5(), NULL) |
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139 #define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md5(), NULL) |
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140 #elif defined(USE_SHA1_RAND) |
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141 #include <openssl/sha.h> |
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142 #define MD_DIGEST_LENGTH SHA_DIGEST_LENGTH |
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143 #define MD_Init(a) EVP_DigestInit_ex(a,EVP_sha1(), NULL) |
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144 #define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_sha1(), NULL) |
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145 #elif defined(USE_MDC2_RAND) |
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146 #include <openssl/mdc2.h> |
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147 #define MD_DIGEST_LENGTH MDC2_DIGEST_LENGTH |
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148 #define MD_Init(a) EVP_DigestInit_ex(a,EVP_mdc2(), NULL) |
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149 #define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_mdc2(), NULL) |
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150 #elif defined(USE_MD2_RAND) |
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151 #include <openssl/md2.h> |
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152 #define MD_DIGEST_LENGTH MD2_DIGEST_LENGTH |
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153 #define MD_Init(a) EVP_DigestInit_ex(a,EVP_md2(), NULL) |
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154 #define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md2(), NULL) |
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155 #endif |
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156 |
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157 |
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158 #endif |