xref: /freebsd/sys/crypto/sha2/sha512.h (revision dd41de95a84d979615a2ef11df6850622bf6184e)
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  * $FreeBSD$
27  */
28 
29 #ifndef _SHA512_H_
30 #define _SHA512_H_
31 
32 #ifndef _KERNEL
33 #include <sys/types.h>
34 #endif
35 
36 #define SHA512_BLOCK_LENGTH		128
37 #define SHA512_DIGEST_LENGTH		64
38 #define SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)
39 
40 typedef struct SHA512Context {
41 	uint64_t state[8];
42 	uint64_t count[2];
43 	uint8_t buf[SHA512_BLOCK_LENGTH];
44 } SHA512_CTX;
45 
46 __BEGIN_DECLS
47 
48 /* Ensure libmd symbols do not clash with libcrypto */
49 #ifndef SHA512_Init
50 #define SHA512_Init		_libmd_SHA512_Init
51 #endif
52 #ifndef SHA512_Update
53 #define SHA512_Update		_libmd_SHA512_Update
54 #endif
55 #ifndef SHA512_Final
56 #define SHA512_Final		_libmd_SHA512_Final
57 #endif
58 #ifndef SHA512_End
59 #define SHA512_End		_libmd_SHA512_End
60 #endif
61 #ifndef SHA512_Fd
62 #define SHA512_Fd		_libmd_SHA512_Fd
63 #endif
64 #ifndef SHA512_FdChunk
65 #define SHA512_FdChunk		_libmd_SHA512_FdChunk
66 #endif
67 #ifndef SHA512_File
68 #define SHA512_File		_libmd_SHA512_File
69 #endif
70 #ifndef SHA512_FileChunk
71 #define SHA512_FileChunk	_libmd_SHA512_FileChunk
72 #endif
73 #ifndef SHA512_Data
74 #define SHA512_Data		_libmd_SHA512_Data
75 #endif
76 
77 #ifndef SHA512_Transform
78 #define SHA512_Transform	_libmd_SHA512_Transform
79 #endif
80 #ifndef SHA512_version
81 #define SHA512_version		_libmd_SHA512_version
82 #endif
83 
84 void	SHA512_Init(SHA512_CTX *);
85 void	SHA512_Update(SHA512_CTX *, const void *, size_t);
86 void	SHA512_Final(unsigned char [__min_size(SHA512_DIGEST_LENGTH)],
87     SHA512_CTX *);
88 #ifndef _KERNEL
89 char   *SHA512_End(SHA512_CTX *, char *);
90 char   *SHA512_Data(const void *, unsigned int, char *);
91 char   *SHA512_Fd(int, char *);
92 char   *SHA512_FdChunk(int, char *, off_t, off_t);
93 char   *SHA512_File(const char *, char *);
94 char   *SHA512_FileChunk(const char *, char *, off_t, off_t);
95 #endif
96 
97 __END_DECLS
98 
99 #endif /* !_SHA512_H_ */
100