source: trunk/sys/libcrypto/others/rand_lcl.h @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

First import

File size: 7.6 KB
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1/* crypto/rand/rand_lcl.h */
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.
8 *
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).
15 *
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.
22 *
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 :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 *    the apps directory (application code) you must include an acknowledgement:
39 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
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.
52 *
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/* ====================================================================
59 * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
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
66 *    notice, this list of conditions and the following disclaimer.
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
113#define HEADER_RAND_LCL_H
114
115#define ENTROPY_NEEDED 32  /* require 256 bits = 32 bytes of randomness */
116
117#define OPENSSL_NO_MD5
118
119#if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND)
120#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
121#define USE_SHA1_RAND
122#elif !defined(OPENSSL_NO_MD5)
123#define USE_MD5_RAND
124#elif !defined(OPENSSL_NO_MDC2) && !defined(OPENSSL_NO_DES)
125#define USE_MDC2_RAND
126#elif !defined(OPENSSL_NO_MD2)
127#define USE_MD2_RAND
128#else
129#error No message digest algorithm available
130#endif
131#endif
132
133#include "evp.h"
134#define MD_Update(a,b,c)        EVP_DigestUpdate(a,b,c)
135#define MD_Final(a,b)           EVP_DigestFinal_ex(a,b,NULL)
136#if defined(USE_MD5_RAND)
137#include "md5.h"
138#define MD_DIGEST_LENGTH        MD5_DIGEST_LENGTH
139#define MD_Init(a)              EVP_DigestInit_ex(a,EVP_md5(), NULL)
140#define MD(a,b,c)               EVP_Digest(a,b,c,NULL,EVP_md5(), NULL)
141#elif defined(USE_SHA1_RAND)
142#include "sha.h"
143#define MD_DIGEST_LENGTH        SHA_DIGEST_LENGTH
144#define MD_Init(a)              EVP_DigestInit_ex(a,EVP_sha1(), NULL)
145#define MD(a,b,c)               EVP_Digest(a,b,c,NULL,EVP_sha1(), NULL)
146#elif defined(USE_MDC2_RAND)
147#include "mdc2.h"
148#define MD_DIGEST_LENGTH        MDC2_DIGEST_LENGTH
149#define MD_Init(a)              EVP_DigestInit_ex(a,EVP_mdc2(), NULL)
150#define MD(a,b,c)               EVP_Digest(a,b,c,NULL,EVP_mdc2(), NULL)
151#elif defined(USE_MD2_RAND)
152#include "md2.h"
153#define MD_DIGEST_LENGTH        MD2_DIGEST_LENGTH
154#define MD_Init(a)              EVP_DigestInit_ex(a,EVP_md2(), NULL)
155#define MD(a,b,c)               EVP_Digest(a,b,c,NULL,EVP_md2(), NULL)
156#endif
157
158#ifndef OPENSSL_NO_ENGINE
159void int_RAND_set_callbacks(
160        int (*set_rand_func)(const RAND_METHOD *meth,
161                                                const RAND_METHOD **pmeth),
162        const RAND_METHOD *(*get_rand_func)
163                                                (const RAND_METHOD **pmeth));
164int eng_RAND_set_rand_method(const RAND_METHOD *meth,
165                                const RAND_METHOD **pmeth);
166const RAND_METHOD *eng_RAND_get_rand_method(const RAND_METHOD **pmeth);
167#endif
168
169
170#endif
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