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comparison packages/net/snmp/lib/current/include/md5.h @ 103:95f3e12a6327 ecos-sw-2000-06-23

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Merge from eCos master repository on 2000-06-23-16:41:10-BST
author jlarmour
date Fri, 23 Jun 2000 17:06:31 +0000
parents
children e0c0827131d1
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102:6409b6d94dd7 103:95f3e12a6327
1 //==========================================================================
2 //
3 // ./lib/current/include/md5.h
4 //
5 //
6 //==========================================================================
7 //####COPYRIGHTBEGIN####
8 //
9 // -------------------------------------------
10 // The contents of this file are subject to the Red Hat eCos Public License
11 // Version 1.1 (the "License"); you may not use this file except in
12 // compliance with the License. You may obtain a copy of the License at
13 // http://www.redhat.com/
14 //
15 // Software distributed under the License is distributed on an "AS IS"
16 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
17 // License for the specific language governing rights and limitations under
18 // the License.
19 //
20 // The Original Code is eCos - Embedded Configurable Operating System,
21 // released September 30, 1998.
22 //
23 // The Initial Developer of the Original Code is Red Hat.
24 // Portions created by Red Hat are
25 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
26 // All Rights Reserved.
27 // -------------------------------------------
28 //
29 //####COPYRIGHTEND####
30 //####UCDSNMPCOPYRIGHTBEGIN####
31 //
32 // -------------------------------------------
33 //
34 // Portions of this software may have been derived from the UCD-SNMP
35 // project, <http://ucd-snmp.ucdavis.edu/> from the University of
36 // California at Davis, which was originally based on the Carnegie Mellon
37 // University SNMP implementation. Portions of this software are therefore
38 // covered by the appropriate copyright disclaimers included herein.
39 //
40 // The release used was version 4.1.2 of May 2000. "ucd-snmp-4.1.2"
41 // -------------------------------------------
42 //
43 //####UCDSNMPCOPYRIGHTEND####
44 //==========================================================================
45 //#####DESCRIPTIONBEGIN####
46 //
47 // Author(s): hmt
48 // Contributors: hmt
49 // Date: 2000-05-30
50 // Purpose: Port of UCD-SNMP distribution to eCos.
51 // Description:
52 //
53 //
54 //####DESCRIPTIONEND####
55 //
56 //==========================================================================
57 /********************************************************************
58 Copyright 1989, 1991, 1992 by Carnegie Mellon University
59
60 Derivative Work -
61 Copyright 1996, 1998, 1999, 2000 The Regents of the University of California
62
63 All Rights Reserved
64
65 Permission to use, copy, modify and distribute this software and its
66 documentation for any purpose and without fee is hereby granted,
67 provided that the above copyright notice appears in all copies and
68 that both that copyright notice and this permission notice appear in
69 supporting documentation, and that the name of CMU and The Regents of
70 the University of California not be used in advertising or publicity
71 pertaining to distribution of the software without specific written
72 permission.
73
74 CMU AND THE REGENTS OF THE UNIVERSITY OF CALIFORNIA DISCLAIM ALL
75 WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED
76 WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL CMU OR
77 THE REGENTS OF THE UNIVERSITY OF CALIFORNIA BE LIABLE FOR ANY SPECIAL,
78 INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
79 FROM THE LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
80 CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
81 CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
82 *********************************************************************/
83 /*
84 ** **************************************************************************
85 ** md5.h -- Header file for implementation of MD5 Message Digest Algorithm **
86 ** Updated: 2/13/90 by Ronald L. Rivest **
87 ** (C) 1990 RSA Data Security, Inc. **
88 ** **************************************************************************
89 */
90
91 #ifndef MD5_H
92 #define MD5_H
93
94 #ifdef __cplusplus
95 extern "C" {
96 #endif
97
98
99 /* MDstruct is the data structure for a message digest computation.
100 */
101 typedef struct {
102 unsigned int buffer[4]; /* Holds 4-word result of MD computation */
103 unsigned char count[8]; /* Number of bits processed so far */
104 unsigned int done; /* Nonzero means MD computation finished */
105 } MDstruct, *MDptr;
106
107 /* MDbegin(MD)
108 ** Input: MD -- an MDptr
109 ** Initialize the MDstruct prepatory to doing a message digest computation.
110 */
111 extern void MDbegin (MDptr);
112
113 /* MDupdate(MD,X,count)
114 ** Input: MD -- an MDptr
115 ** X -- a pointer to an array of unsigned characters.
116 ** count -- the number of bits of X to use (an unsigned int).
117 ** Updates MD using the first ``count'' bits of X.
118 ** The array pointed to by X is not modified.
119 ** If count is not a multiple of 8, MDupdate uses high bits of last byte.
120 ** This is the basic input routine for a user.
121 ** The routine terminates the MD computation when count < 512, so
122 ** every MD computation should end with one call to MDupdate with a
123 ** count less than 512. Zero is OK for a count.
124 */
125 extern int MDupdate (MDptr, unsigned char *, unsigned int);
126
127 /* MDprint(MD)
128 ** Input: MD -- an MDptr
129 ** Prints message digest buffer MD as 32 hexadecimal digits.
130 ** Order is from low-order byte of buffer[0] to high-order byte of buffer[3].
131 ** Each byte is printed with high-order hexadecimal digit first.
132 */
133 extern void MDprint (MDptr);
134
135 int MDchecksum(u_char *data, size_t len, u_char *mac, size_t maclen);
136 int MDsign(u_char *data, size_t len, u_char *mac, size_t maclen,
137 u_char *secret, size_t secretlen);
138 void MDget(MDstruct *MD, u_char *buf, size_t buflen);
139
140 /*
141 ** End of md5.h
142 ****************************(cut)*****************************************/
143 #ifdef __cplusplus
144 }
145 #endif
146
147 #endif /* MD5_H */
148