xref: /freebsd/sys/crypto/sha2/sha224.h (revision a03411e84728e9b267056fd31c7d1d9d1dc1b01e)
1 /*-
2  * Copyright 2005 Colin Percival
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #ifndef _SHA224_H_
28 #define _SHA224_H_
29 
30 #ifndef _KERNEL
31 #include <sys/types.h>
32 #endif
33 
34 #define SHA224_BLOCK_LENGTH		64
35 #define SHA224_DIGEST_LENGTH		28
36 #define SHA224_DIGEST_STRING_LENGTH	(SHA224_DIGEST_LENGTH * 2 + 1)
37 
38 typedef struct SHA224Context {
39 	uint32_t state[8];
40 	uint64_t count;
41 	uint8_t buf[SHA224_BLOCK_LENGTH];
42 } SHA224_CTX;
43 
44 __BEGIN_DECLS
45 
46 /* Ensure libmd symbols do not clash with libcrypto */
47 
48 #ifndef SHA224_Init
49 #define SHA224_Init		_libmd_SHA224_Init
50 #endif
51 #ifndef SHA224_Update
52 #define SHA224_Update		_libmd_SHA224_Update
53 #endif
54 #ifndef SHA224_Final
55 #define SHA224_Final		_libmd_SHA224_Final
56 #endif
57 #ifndef SHA224_End
58 #define SHA224_End		_libmd_SHA224_End
59 #endif
60 #ifndef SHA224_Fd
61 #define SHA224_Fd		_libmd_SHA224_Fd
62 #endif
63 #ifndef SHA224_FdChunk
64 #define SHA224_FdChunk		_libmd_SHA224_FdChunk
65 #endif
66 #ifndef SHA224_File
67 #define SHA224_File		_libmd_SHA224_File
68 #endif
69 #ifndef SHA224_FileChunk
70 #define SHA224_FileChunk	_libmd_SHA224_FileChunk
71 #endif
72 #ifndef SHA224_Data
73 #define SHA224_Data		_libmd_SHA224_Data
74 #endif
75 
76 #ifndef SHA224_version
77 #define SHA224_version		_libmd_SHA224_version
78 #endif
79 
80 void	SHA224_Init(SHA224_CTX *);
81 void	SHA224_Update(SHA224_CTX *, const void *, size_t);
82 void	SHA224_Final(unsigned char [__min_size(SHA224_DIGEST_LENGTH)],
83     SHA224_CTX *);
84 #ifndef _KERNEL
85 char   *SHA224_End(SHA224_CTX *, char *);
86 char   *SHA224_Data(const void *, unsigned int, char *);
87 char   *SHA224_Fd(int, char *);
88 char   *SHA224_FdChunk(int, char *, off_t, off_t);
89 char   *SHA224_File(const char *, char *);
90 char   *SHA224_FileChunk(const char *, char *, off_t, off_t);
91 #endif
92 __END_DECLS
93 
94 #endif /* !_SHA224_H_ */
95