xref: /netbsd/sys/sys/md4.h (revision 6550d01e)
1 /*	$NetBSD: md4.h,v 1.7 2005/12/26 18:41:36 perry Exp $	*/
2 
3 /*
4  * This file is derived from the RSA Data Security, Inc. MD4 Message-Digest
5  * Algorithm and has been modified by Jason R. Thorpe <thorpej@NetBSD.org>
6  * for portability and formatting.
7  */
8 
9 /*
10  * Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
11  * rights reserved.
12  *
13  * License to copy and use this software is granted provided that it
14  * is identified as the "RSA Data Security, Inc. MD4 Message-Digest
15  * Algorithm" in all material mentioning or referencing this software
16  * or this function.
17  *
18  * License is also granted to make and use derivative works provided
19  * that such works are identified as "derived from the RSA Data
20  * Security, Inc. MD4 Message-Digest Algorithm" in all material
21  * mentioning or referencing the derived work.
22  *
23  * RSA Data Security, Inc. makes no representations concerning either
24  * the merchantability of this software or the suitability of this
25  * software for any particular purpose. It is provided "as is"
26  * without express or implied warranty of any kind.
27  *
28  * These notices must be retained in any copies of any part of this
29  * documentation and/or software.
30  */
31 
32 #ifndef _SYS_MD4_H_
33 #define _SYS_MD4_H_
34 
35 #include <sys/cdefs.h>
36 #include <sys/types.h>
37 
38 #define MD4_DIGEST_LENGTH 16
39 
40 /* MD4 context. */
41 typedef struct MD4Context {
42 	uint32_t state[4];	/* state (ABCD) */
43 	uint32_t count[2];	/* number of bits, modulo 2^64 (lsb first) */
44 	unsigned char buffer[64]; /* input buffer */
45 } MD4_CTX;
46 
47 __BEGIN_DECLS
48 void	MD4Init(MD4_CTX *);
49 void	MD4Update(MD4_CTX *, const unsigned char *, unsigned int);
50 void	MD4Final(unsigned char[MD4_DIGEST_LENGTH], MD4_CTX *);
51 #ifndef _KERNEL
52 char	*MD4End(MD4_CTX *, char *);
53 char	*MD4File(const char *, char *);
54 char	*MD4Data(const unsigned char *, unsigned int, char *);
55 #endif /* _KERNEL */
56 __END_DECLS
57 
58 #endif /* _SYS_MD4_H_ */
59