xref: /freebsd/lib/libmd/sha.h (revision b2d48be1bc7df45ddd13b143a160d0acb5a383c5)
1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2  * All rights reserved.
3  *
4  * This package is an SSL implementation written
5  * by Eric Young (eay@cryptsoft.com).
6  * The implementation was written so as to conform with Netscapes SSL.
7  *
8  * This library is free for commercial and non-commercial use as long as
9  * the following conditions are aheared to.  The following conditions
10  * apply to all code found in this distribution, be it the RC4, RSA,
11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
12  * included with this distribution is covered by the same copyright terms
13  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14  *
15  * Copyright remains Eric Young's, and as such any Copyright notices in
16  * the code are not to be removed.
17  * If this package is used in a product, Eric Young should be given attribution
18  * as the author of the parts of the library used.
19  * This can be in the form of a textual message at program startup or
20  * in documentation (online or textual) provided with the package.
21  *
22  * Redistribution and use in source and binary forms, with or without
23  * modification, are permitted provided that the following conditions
24  * are met:
25  * 1. Redistributions of source code must retain the copyright
26  *    notice, this list of conditions and the following disclaimer.
27  * 2. Redistributions in binary form must reproduce the above copyright
28  *    notice, this list of conditions and the following disclaimer in the
29  *    documentation and/or other materials provided with the distribution.
30  * 3. All advertising materials mentioning features or use of this software
31  *    must display the following acknowledgement:
32  *    "This product includes cryptographic software written by
33  *     Eric Young (eay@cryptsoft.com)"
34  *    The word 'cryptographic' can be left out if the rouines from the library
35  *    being used are not cryptographic related :-).
36  * 4. If you include any Windows specific code (or a derivative thereof) from
37  *    the apps directory (application code) you must include an acknowledgement:
38  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39  *
40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50  * SUCH DAMAGE.
51  *
52  * The licence and distribution terms for any publically available version or
53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
54  * copied and put under another distribution licence
55  * [including the GNU Public Licence.]
56  *
57  * $FreeBSD$
58  */
59 
60 #ifndef _SHA_H_
61 #define _SHA_H_		1
62 
63 #include <sys/cdefs.h>
64 #include <sys/types.h>		/* XXX switch to machine/ansi.h and __ types */
65 
66 #define	SHA_CBLOCK	64
67 #define	SHA_LBLOCK	16
68 #define	SHA_BLOCK	16
69 #define	SHA_LAST_BLOCK  56
70 #define	SHA_LENGTH_BLOCK 8
71 #define	SHA_DIGEST_LENGTH 20
72 
73 typedef struct SHAstate_st {
74 	u_int32_t h0, h1, h2, h3, h4;
75 	u_int32_t Nl, Nh;
76 	u_int32_t data[SHA_LBLOCK];
77 	int num;
78 } SHA_CTX;
79 #define	SHA1_CTX	SHA_CTX
80 
81 __BEGIN_DECLS
82 
83 /* Ensure libmd symbols do not clash with libcrypto */
84 
85 #ifndef SHA_Init
86 #define SHA_Init	_libmd_SHA_Init
87 #endif
88 #ifndef SHA_Update
89 #define SHA_Update	_libmd_SHA_Update
90 #endif
91 #ifndef SHA_Final
92 #define SHA_Final	_libmd_SHA_Final
93 #endif
94 #ifndef SHA_End
95 #define SHA_End		_libmd_SHA_End
96 #endif
97 #ifndef SHA_File
98 #define SHA_File	_libmd_SHA_File
99 #endif
100 #ifndef SHA_FileChunk
101 #define SHA_FileChunk	_libmd_SHA_FileChunk
102 #endif
103 #ifndef SHA_Data
104 #define SHA_Data	_libmd_SHA_Data
105 #endif
106 
107 #ifndef SHA_Transform
108 #define SHA_Transform	_libmd_SHA_Transform
109 #endif
110 #ifndef SHA_version
111 #define SHA_version	_libmd_SHA_version
112 #endif
113 #ifndef sha_block
114 #define sha_block	_libmd_sha_block
115 #endif
116 
117 #ifndef SHA1_Init
118 #define SHA1_Init	_libmd_SHA1_Init
119 #endif
120 #ifndef SHA1_Update
121 #define SHA1_Update	_libmd_SHA1_Update
122 #endif
123 #ifndef SHA1_Final
124 #define SHA1_Final	_libmd_SHA1_Final
125 #endif
126 #ifndef SHA1_End
127 #define SHA1_End	_libmd_SHA1_End
128 #endif
129 #ifndef SHA1_File
130 #define SHA1_File	_libmd_SHA1_File
131 #endif
132 #ifndef SHA1_FileChunk
133 #define SHA1_FileChunk	_libmd_SHA1_FileChunk
134 #endif
135 #ifndef SHA1_Data
136 #define SHA1_Data	_libmd_SHA1_Data
137 #endif
138 
139 #ifndef SHA1_Transform
140 #define SHA1_Transform	_libmd_SHA1_Transform
141 #endif
142 #ifndef SHA1_version
143 #define SHA1_version	_libmd_SHA1_version
144 #endif
145 #ifndef sha1_block
146 #define sha1_block	_libmd_sha1_block
147 #endif
148 
149 void	SHA_Init(SHA_CTX *c);
150 void	SHA_Update(SHA_CTX *c, const void *data, size_t len);
151 void	SHA_Final(unsigned char *md, SHA_CTX *c);
152 char   *SHA_End(SHA_CTX *, char *);
153 char   *SHA_File(const char *, char *);
154 char   *SHA_FileChunk(const char *, char *, off_t, off_t);
155 char   *SHA_Data(const void *, unsigned int, char *);
156 
157 void	SHA1_Init(SHA_CTX *c);
158 void	SHA1_Update(SHA_CTX *c, const void *data, size_t len);
159 void	SHA1_Final(unsigned char *md, SHA_CTX *c);
160 char   *SHA1_End(SHA_CTX *, char *);
161 char   *SHA1_File(const char *, char *);
162 char   *SHA1_FileChunk(const char *, char *, off_t, off_t);
163 char   *SHA1_Data(const void *, unsigned int, char *);
164 __END_DECLS
165 
166 #endif /* !_SHA_H_ */
167