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md5.h
1 /**
2  * /@code
3  *
4  * \file md5.h
5  *
6  * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
7  *
8  * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
9  *
10  * All rights reserved.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  *
16  * * Redistributions of source code must retain the above copyright
17  * notice, this list of conditions and the following disclaimer.
18  * * Redistributions in binary form must reproduce the above copyright
19  * notice, this list of conditions and the following disclaimer in the
20  * documentation and/or other materials provided with the distribution.
21  * * Neither the names of PolarSSL or XySSL nor the names of its contributors
22  * may be used to endorse or promote products derived from this software
23  * without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
28  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
31  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
32  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36  *
37  * /@endcode
38  */
39 
40 #ifndef PPP_INCLUDED_POLARSSL_MD5_H
41 #define PPP_INCLUDED_POLARSSL_MD5_H
42 
43 /**
44  * \brief MD5 context structure
45  */
46 typedef struct
47 {
48  unsigned long total[2]; /*!< number of bytes processed */
49  unsigned long state[4]; /*!< intermediate digest state */
50  unsigned char buffer[64]; /*!< data block being processed */
51 }
52 md5_context;
53 
54 #ifdef __cplusplus
55 extern "C" {
56 #endif
57 
58 /**
59  * \brief MD5 context setup
60  *
61  * \param ctx context to be initialized
62  */
63 void md5_starts( md5_context *ctx );
64 
65 /**
66  * \brief MD5 process buffer
67  *
68  * \param ctx MD5 context
69  * \param input buffer holding the data
70  * \param ilen length of the input data
71  */
72 void md5_update( md5_context *ctx, const unsigned char *input, int ilen );
73 
74 /**
75  * \brief MD5 final digest
76  *
77  * \param ctx MD5 context
78  * \param output MD5 checksum result
79  */
80 void md5_finish( md5_context *ctx, unsigned char output[16] );
81 
82 /**
83  * \brief Output = MD5( input buffer )
84  *
85  * \param input buffer holding the data
86  * \param ilen length of the input data
87  * \param output MD5 checksum result
88  */
89 void md5( unsigned char *input, int ilen, unsigned char output[16] );
90 
91 #ifdef __cplusplus
92 }
93 #endif
94 
95 #endif /* PPP_INCLUDED_POLARSSL_MD5_H */
96 
md5_context
/
Definition: md5.h:46
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