xref: /freebsd/crypto/openssl/include/openssl/md5.h (revision b077aed33b7b6aefca7b17ddb250cf521f938613)
1 /*
2  * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #ifndef OPENSSL_MD5_H
11 # define OPENSSL_MD5_H
12 # pragma once
13 
14 # include <openssl/macros.h>
15 # ifndef OPENSSL_NO_DEPRECATED_3_0
16 #  define HEADER_MD5_H
17 # endif
18 
19 # include <openssl/opensslconf.h>
20 
21 # ifndef OPENSSL_NO_MD5
22 #  include <openssl/e_os2.h>
23 #  include <stddef.h>
24 #  ifdef  __cplusplus
25 extern "C" {
26 #  endif
27 
28 #  define MD5_DIGEST_LENGTH 16
29 
30 #  if !defined(OPENSSL_NO_DEPRECATED_3_0)
31 /*
32  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
33  * ! MD5_LONG has to be at least 32 bits wide.                     !
34  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
35  */
36 #   define MD5_LONG unsigned int
37 
38 #   define MD5_CBLOCK      64
39 #   define MD5_LBLOCK      (MD5_CBLOCK/4)
40 
41 typedef struct MD5state_st {
42     MD5_LONG A, B, C, D;
43     MD5_LONG Nl, Nh;
44     MD5_LONG data[MD5_LBLOCK];
45     unsigned int num;
46 } MD5_CTX;
47 #  endif
48 #  ifndef OPENSSL_NO_DEPRECATED_3_0
49 OSSL_DEPRECATEDIN_3_0 int MD5_Init(MD5_CTX *c);
50 OSSL_DEPRECATEDIN_3_0 int MD5_Update(MD5_CTX *c, const void *data, size_t len);
51 OSSL_DEPRECATEDIN_3_0 int MD5_Final(unsigned char *md, MD5_CTX *c);
52 OSSL_DEPRECATEDIN_3_0 unsigned char *MD5(const unsigned char *d, size_t n,
53                                          unsigned char *md);
54 OSSL_DEPRECATEDIN_3_0 void MD5_Transform(MD5_CTX *c, const unsigned char *b);
55 #  endif
56 
57 #  ifdef  __cplusplus
58 }
59 #  endif
60 # endif
61 
62 #endif
63