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e9e202cf | 1 | /* crypto/rand/rand_lcl.h */ |
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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. | |
ae5c8664 | 8 | * |
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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). | |
ae5c8664 | 15 | * |
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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. | |
ae5c8664 | 22 | * |
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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 :-). | |
ae5c8664 | 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: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
ae5c8664 | 40 | * |
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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. | |
ae5c8664 | 52 | * |
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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 | /* ==================================================================== | |
8ea16720 | 59 | * Copyright (c) 1998-2018 The OpenSSL Project. All rights reserved. |
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60 | * |
61 | * Redistribution and use in source and binary forms, with or without | |
62 | * modification, are permitted provided that the following conditions | |
63 | * are met: | |
64 | * | |
65 | * 1. Redistributions of source code must retain the above copyright | |
ae5c8664 | 66 | * notice, this list of conditions and the following disclaimer. |
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67 | * |
68 | * 2. Redistributions in binary form must reproduce the above copyright | |
69 | * notice, this list of conditions and the following disclaimer in | |
70 | * the documentation and/or other materials provided with the | |
71 | * distribution. | |
72 | * | |
73 | * 3. All advertising materials mentioning features or use of this | |
74 | * software must display the following acknowledgment: | |
75 | * "This product includes software developed by the OpenSSL Project | |
76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
77 | * | |
78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
79 | * endorse or promote products derived from this software without | |
80 | * prior written permission. For written permission, please contact | |
81 | * openssl-core@openssl.org. | |
82 | * | |
83 | * 5. Products derived from this software may not be called "OpenSSL" | |
84 | * nor may "OpenSSL" appear in their names without prior written | |
85 | * permission of the OpenSSL Project. | |
86 | * | |
87 | * 6. Redistributions of any form whatsoever must retain the following | |
88 | * acknowledgment: | |
89 | * "This product includes software developed by the OpenSSL Project | |
90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
91 | * | |
92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
103 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
104 | * ==================================================================== | |
105 | * | |
106 | * This product includes cryptographic software written by Eric Young | |
107 | * (eay@cryptsoft.com). This product includes software written by Tim | |
108 | * Hudson (tjh@cryptsoft.com). | |
109 | * | |
110 | */ | |
111 | ||
112 | #ifndef HEADER_RAND_LCL_H | |
ae5c8664 | 113 | # define HEADER_RAND_LCL_H |
8ad7635e | 114 | |
ae5c8664 | 115 | # define ENTROPY_NEEDED 32 /* require 256 bits = 32 bytes of randomness */ |
8ad7635e | 116 | |
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117 | # if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND) |
118 | # if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1) | |
119 | # define USE_SHA1_RAND | |
120 | # elif !defined(OPENSSL_NO_MD5) | |
121 | # define USE_MD5_RAND | |
122 | # elif !defined(OPENSSL_NO_MDC2) && !defined(OPENSSL_NO_DES) | |
123 | # define USE_MDC2_RAND | |
124 | # elif !defined(OPENSSL_NO_MD2) | |
125 | # define USE_MD2_RAND | |
126 | # else | |
127 | # error No message digest algorithm available | |
128 | # endif | |
129 | # endif | |
8ad7635e | 130 | |
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131 | # include <openssl/evp.h> |
132 | # define MD_Update(a,b,c) EVP_DigestUpdate(a,b,c) | |
133 | # define MD_Final(a,b) EVP_DigestFinal_ex(a,b,NULL) | |
134 | # if defined(USE_MD5_RAND) | |
135 | # include <openssl/md5.h> | |
136 | # define MD_DIGEST_LENGTH MD5_DIGEST_LENGTH | |
137 | # define MD_Init(a) EVP_DigestInit_ex(a,EVP_md5(), NULL) | |
138 | # define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md5(), NULL) | |
139 | # elif defined(USE_SHA1_RAND) | |
140 | # include <openssl/sha.h> | |
141 | # define MD_DIGEST_LENGTH SHA_DIGEST_LENGTH | |
142 | # define MD_Init(a) EVP_DigestInit_ex(a,EVP_sha1(), NULL) | |
143 | # define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_sha1(), NULL) | |
144 | # elif defined(USE_MDC2_RAND) | |
145 | # include <openssl/mdc2.h> | |
146 | # define MD_DIGEST_LENGTH MDC2_DIGEST_LENGTH | |
147 | # define MD_Init(a) EVP_DigestInit_ex(a,EVP_mdc2(), NULL) | |
148 | # define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_mdc2(), NULL) | |
149 | # elif defined(USE_MD2_RAND) | |
150 | # include <openssl/md2.h> | |
151 | # define MD_DIGEST_LENGTH MD2_DIGEST_LENGTH | |
152 | # define MD_Init(a) EVP_DigestInit_ex(a,EVP_md2(), NULL) | |
153 | # define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md2(), NULL) | |
154 | # endif | |
8ad7635e | 155 | |
2c3673cd | 156 | int ssleay_rand_bytes(unsigned char *buf, int num, int pseudo, int lock); |
f58001c3 | 157 | int ssleay_rand_bytes_from_system(unsigned char *buf, int num); |
8ad7635e | 158 | #endif |