xref: /titanic_51/usr/src/uts/common/sys/md5.h (revision f95bda13672da09ae973b76683e47b094188903a)
1 /*
2  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 /*
7  * Cleaned up version of the md5.h header file from RFC 1321.
8  */
9 
10 /*
11  * MD5.H - header file for MD5C.C
12  */
13 
14 /*
15  * Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
16  * rights reserved.
17  *
18  * License to copy and use this software is granted provided that it
19  * is identified as the "RSA Data Security, Inc. MD5 Message-Digest
20  * Algorithm" in all material mentioning or referencing this software
21  * or this function.
22  *
23  * License is also granted to make and use derivative works provided
24  * that such works are identified as "derived from the RSA Data
25  * Security, Inc. MD5 Message-Digest Algorithm" in all material
26  * mentioning or referencing the derived work.
27  *
28  * RSA Data Security, Inc. makes no representations concerning either
29  * the merchantability of this software or the suitability of this
30  * software for any particular purpose. It is provided "as is"
31  * without express or implied warranty of any kind.
32  *
33  * These notices must be retained in any copies of any part of this
34  * documentation and/or software.
35  */
36 
37 #ifndef _SYS_MD5_H
38 #define	_SYS_MD5_H
39 
40 #pragma ident	"%Z%%M%	%I%	%E% SMI"
41 
42 #include <sys/types.h>		/* for uint_* */
43 
44 /*
45  * Definitions for MD5 hashing functions, conformant to RFC 1321
46  */
47 
48 #ifdef	__cplusplus
49 extern "C" {
50 #endif
51 
52 #define	MD5_DIGEST_LENGTH	16
53 
54 /* MD5 context. */
55 typedef struct	{
56 	uint32_t state[4];	/* state (ABCD) */
57 	uint32_t count[2];	/* number of bits, modulo 2^64 (lsb first) */
58 	union	{
59 		uint8_t		buf8[64];	/* undigested input */
60 		uint32_t	buf32[16];	/* realigned input */
61 	} buf_un;
62 } MD5_CTX;
63 
64 void MD5Init(MD5_CTX *);
65 void MD5Update(MD5_CTX *, const void *, unsigned int);
66 void MD5Final(unsigned char [MD5_DIGEST_LENGTH], MD5_CTX *);
67 
68 #ifdef	__cplusplus
69 }
70 #endif
71 
72 #endif /* _SYS_MD5_H */
73