1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (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 HEADER_MD4_H
11# define HEADER_MD4_H
12
13# include <openssl/opensslconf.h>
14
15# ifndef OPENSSL_NO_MD4
16# include <openssl/e_os2.h>
17# include <stddef.h>
18# ifdef  __cplusplus
19extern "C" {
20# endif
21
22/*-
23 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
24 * ! MD4_LONG has to be at least 32 bits wide.                     !
25 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
26 */
27# define MD4_LONG unsigned int
28
29# define MD4_CBLOCK      64
30# define MD4_LBLOCK      (MD4_CBLOCK/4)
31# define MD4_DIGEST_LENGTH 16
32
33typedef struct MD4state_st {
34    MD4_LONG A, B, C, D;
35    MD4_LONG Nl, Nh;
36    MD4_LONG data[MD4_LBLOCK];
37    unsigned int num;
38} MD4_CTX;
39
40int MD4_Init(MD4_CTX *c);
41int MD4_Update(MD4_CTX *c, const void *data, size_t len);
42int MD4_Final(unsigned char *md, MD4_CTX *c);
43unsigned char *MD4(const unsigned char *d, size_t n, unsigned char *md);
44void MD4_Transform(MD4_CTX *c, const unsigned char *b);
45
46# ifdef  __cplusplus
47}
48# endif
49# endif
50
51#endif
52