/src/libressl/crypto/evp/m_md4.c
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1  |  | /* $OpenBSD: m_md4.c,v 1.18 2022/01/14 08:38:05 tb Exp $ */  | 
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  |  | #include <stdio.h>  | 
60  |  |  | 
61  |  | #include <openssl/opensslconf.h>  | 
62  |  |  | 
63  |  | #ifndef OPENSSL_NO_MD4  | 
64  |  |  | 
65  |  | #include <openssl/evp.h>  | 
66  |  | #include <openssl/md4.h>  | 
67  |  | #include <openssl/objects.h>  | 
68  |  | #include <openssl/x509.h>  | 
69  |  |  | 
70  |  | #ifndef OPENSSL_NO_RSA  | 
71  |  | #include <openssl/rsa.h>  | 
72  |  | #endif  | 
73  |  |  | 
74  |  | #include "evp_locl.h"  | 
75  |  |  | 
76  |  | static int  | 
77  |  | init(EVP_MD_CTX *ctx)  | 
78  | 0  | { | 
79  | 0  |   return MD4_Init(ctx->md_data);  | 
80  | 0  | }  | 
81  |  |  | 
82  |  | static int  | 
83  |  | update(EVP_MD_CTX *ctx, const void *data, size_t count)  | 
84  | 0  | { | 
85  | 0  |   return MD4_Update(ctx->md_data, data, count);  | 
86  | 0  | }  | 
87  |  |  | 
88  |  | static int  | 
89  |  | final(EVP_MD_CTX *ctx, unsigned char *md)  | 
90  | 0  | { | 
91  | 0  |   return MD4_Final(md, ctx->md_data);  | 
92  | 0  | }  | 
93  |  |  | 
94  |  | static const EVP_MD md4_md = { | 
95  |  |   .type = NID_md4,  | 
96  |  |   .pkey_type = NID_md4WithRSAEncryption,  | 
97  |  |   .md_size = MD4_DIGEST_LENGTH,  | 
98  |  |   .flags = 0,  | 
99  |  |   .init = init,  | 
100  |  |   .update = update,  | 
101  |  |   .final = final,  | 
102  |  |   .copy = NULL,  | 
103  |  |   .cleanup = NULL,  | 
104  |  |   .block_size = MD4_CBLOCK,  | 
105  |  |   .ctx_size = sizeof(EVP_MD *) + sizeof(MD4_CTX),  | 
106  |  | };  | 
107  |  |  | 
108  |  | const EVP_MD *  | 
109  |  | EVP_md4(void)  | 
110  | 2  | { | 
111  | 2  |   return (&md4_md);  | 
112  | 2  | }  | 
113  |  | #endif  |