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
25extern "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
41typedef 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
49OSSL_DEPRECATEDIN_3_0 int MD5_Init(MD5_CTX *c);
50OSSL_DEPRECATEDIN_3_0 int MD5_Update(MD5_CTX *c, const void *data, size_t len);
51OSSL_DEPRECATEDIN_3_0 int MD5_Final(unsigned char *md, MD5_CTX *c);
52OSSL_DEPRECATEDIN_3_0 unsigned char *MD5(const unsigned char *d, size_t n,
53 unsigned char *md);
54OSSL_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

source code of include/openssl/md5.h