xref: /freebsd/sys/crypto/sha2/sha224.h (revision 5190e6341ce5121cb17df109f9dc56ab8674aa5c)
1*1245c6d1SConrad Meyer /*-
2*1245c6d1SConrad Meyer  * Copyright 2005 Colin Percival
3*1245c6d1SConrad Meyer  * All rights reserved.
4*1245c6d1SConrad Meyer  *
5*1245c6d1SConrad Meyer  * Redistribution and use in source and binary forms, with or without
6*1245c6d1SConrad Meyer  * modification, are permitted provided that the following conditions
7*1245c6d1SConrad Meyer  * are met:
8*1245c6d1SConrad Meyer  * 1. Redistributions of source code must retain the above copyright
9*1245c6d1SConrad Meyer  *    notice, this list of conditions and the following disclaimer.
10*1245c6d1SConrad Meyer  * 2. Redistributions in binary form must reproduce the above copyright
11*1245c6d1SConrad Meyer  *    notice, this list of conditions and the following disclaimer in the
12*1245c6d1SConrad Meyer  *    documentation and/or other materials provided with the distribution.
13*1245c6d1SConrad Meyer  *
14*1245c6d1SConrad Meyer  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*1245c6d1SConrad Meyer  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*1245c6d1SConrad Meyer  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*1245c6d1SConrad Meyer  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*1245c6d1SConrad Meyer  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*1245c6d1SConrad Meyer  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*1245c6d1SConrad Meyer  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*1245c6d1SConrad Meyer  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*1245c6d1SConrad Meyer  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*1245c6d1SConrad Meyer  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*1245c6d1SConrad Meyer  * SUCH DAMAGE.
25*1245c6d1SConrad Meyer  */
26*1245c6d1SConrad Meyer 
27*1245c6d1SConrad Meyer #ifndef _SHA224_H_
28*1245c6d1SConrad Meyer #define _SHA224_H_
29*1245c6d1SConrad Meyer 
30*1245c6d1SConrad Meyer #ifndef _KERNEL
31*1245c6d1SConrad Meyer #include <sys/types.h>
32*1245c6d1SConrad Meyer #endif
33*1245c6d1SConrad Meyer 
34*1245c6d1SConrad Meyer #define SHA224_BLOCK_LENGTH		64
35*1245c6d1SConrad Meyer #define SHA224_DIGEST_LENGTH		28
36*1245c6d1SConrad Meyer #define SHA224_DIGEST_STRING_LENGTH	(SHA224_DIGEST_LENGTH * 2 + 1)
37*1245c6d1SConrad Meyer 
38*1245c6d1SConrad Meyer typedef struct SHA224Context {
39*1245c6d1SConrad Meyer 	uint32_t state[8];
40*1245c6d1SConrad Meyer 	uint64_t count;
41*1245c6d1SConrad Meyer 	uint8_t buf[SHA224_BLOCK_LENGTH];
42*1245c6d1SConrad Meyer } SHA224_CTX;
43*1245c6d1SConrad Meyer 
44*1245c6d1SConrad Meyer __BEGIN_DECLS
45*1245c6d1SConrad Meyer 
46*1245c6d1SConrad Meyer /* Ensure libmd symbols do not clash with libcrypto */
47*1245c6d1SConrad Meyer 
48*1245c6d1SConrad Meyer #ifndef SHA224_Init
49*1245c6d1SConrad Meyer #define SHA224_Init		_libmd_SHA224_Init
50*1245c6d1SConrad Meyer #endif
51*1245c6d1SConrad Meyer #ifndef SHA224_Update
52*1245c6d1SConrad Meyer #define SHA224_Update		_libmd_SHA224_Update
53*1245c6d1SConrad Meyer #endif
54*1245c6d1SConrad Meyer #ifndef SHA224_Final
55*1245c6d1SConrad Meyer #define SHA224_Final		_libmd_SHA224_Final
56*1245c6d1SConrad Meyer #endif
57*1245c6d1SConrad Meyer #ifndef SHA224_End
58*1245c6d1SConrad Meyer #define SHA224_End		_libmd_SHA224_End
59*1245c6d1SConrad Meyer #endif
60*1245c6d1SConrad Meyer #ifndef SHA224_Fd
61*1245c6d1SConrad Meyer #define SHA224_Fd		_libmd_SHA224_Fd
62*1245c6d1SConrad Meyer #endif
63*1245c6d1SConrad Meyer #ifndef SHA224_FdChunk
64*1245c6d1SConrad Meyer #define SHA224_FdChunk		_libmd_SHA224_FdChunk
65*1245c6d1SConrad Meyer #endif
66*1245c6d1SConrad Meyer #ifndef SHA224_File
67*1245c6d1SConrad Meyer #define SHA224_File		_libmd_SHA224_File
68*1245c6d1SConrad Meyer #endif
69*1245c6d1SConrad Meyer #ifndef SHA224_FileChunk
70*1245c6d1SConrad Meyer #define SHA224_FileChunk	_libmd_SHA224_FileChunk
71*1245c6d1SConrad Meyer #endif
72*1245c6d1SConrad Meyer #ifndef SHA224_Data
73*1245c6d1SConrad Meyer #define SHA224_Data		_libmd_SHA224_Data
74*1245c6d1SConrad Meyer #endif
75*1245c6d1SConrad Meyer 
76*1245c6d1SConrad Meyer void	SHA224_Init(SHA224_CTX *);
77*1245c6d1SConrad Meyer void	SHA224_Update(SHA224_CTX *, const void *, size_t);
78*1245c6d1SConrad Meyer void	SHA224_Final(unsigned char [__min_size(SHA224_DIGEST_LENGTH)],
79*1245c6d1SConrad Meyer     SHA224_CTX *);
80*1245c6d1SConrad Meyer #ifndef _KERNEL
81*1245c6d1SConrad Meyer char   *SHA224_End(SHA224_CTX *, char *);
82*1245c6d1SConrad Meyer char   *SHA224_Data(const void *, unsigned int, char *);
83*1245c6d1SConrad Meyer char   *SHA224_Fd(int, char *);
84*1245c6d1SConrad Meyer char   *SHA224_FdChunk(int, char *, off_t, off_t);
85*1245c6d1SConrad Meyer char   *SHA224_File(const char *, char *);
86*1245c6d1SConrad Meyer char   *SHA224_FileChunk(const char *, char *, off_t, off_t);
87*1245c6d1SConrad Meyer #endif
88*1245c6d1SConrad Meyer __END_DECLS
89*1245c6d1SConrad Meyer 
90*1245c6d1SConrad Meyer #endif /* !_SHA224_H_ */
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