xref: /freebsd/sys/crypto/sha2/sha512.h (revision c02bc0aa0b22009e4bc209efae99c877167e1161)
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 _SHA512_H_
28 #define _SHA512_H_
29 
30 #ifndef _KERNEL
31 #include <sys/types.h>
32 #endif
33 
34 #define SHA512_BLOCK_LENGTH		128
35 #define SHA512_DIGEST_LENGTH		64
36 #define SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)
37 
38 typedef struct SHA512Context {
39 	uint64_t state[8];
40 	uint64_t count[2];
41 	uint8_t buf[SHA512_BLOCK_LENGTH];
42 } SHA512_CTX;
43 
44 __BEGIN_DECLS
45 
46 /* Ensure libmd symbols do not clash with libcrypto */
47 #ifndef SHA512_Init
48 #define SHA512_Init		_libmd_SHA512_Init
49 #endif
50 #ifndef SHA512_Update
51 #define SHA512_Update		_libmd_SHA512_Update
52 #endif
53 #ifndef SHA512_Final
54 #define SHA512_Final		_libmd_SHA512_Final
55 #endif
56 #ifndef SHA512_End
57 #define SHA512_End		_libmd_SHA512_End
58 #endif
59 #ifndef SHA512_Fd
60 #define SHA512_Fd		_libmd_SHA512_Fd
61 #endif
62 #ifndef SHA512_FdChunk
63 #define SHA512_FdChunk		_libmd_SHA512_FdChunk
64 #endif
65 #ifndef SHA512_File
66 #define SHA512_File		_libmd_SHA512_File
67 #endif
68 #ifndef SHA512_FileChunk
69 #define SHA512_FileChunk	_libmd_SHA512_FileChunk
70 #endif
71 #ifndef SHA512_Data
72 #define SHA512_Data		_libmd_SHA512_Data
73 #endif
74 #ifndef SHA512_Transform
75 #define SHA512_Transform		_libmd_SHA512_Transform
76 #endif
77 
78 void	SHA512_Init(SHA512_CTX *);
79 void	SHA512_Update(SHA512_CTX *, const void *, size_t);
80 void	SHA512_Final(unsigned char [__min_size(SHA512_DIGEST_LENGTH)],
81     SHA512_CTX *);
82 #ifndef _KERNEL
83 char   *SHA512_End(SHA512_CTX *, char *);
84 char   *SHA512_Data(const void *, unsigned int, char *);
85 char   *SHA512_Fd(int, char *);
86 char   *SHA512_FdChunk(int, char *, off_t, off_t);
87 char   *SHA512_File(const char *, char *);
88 char   *SHA512_FileChunk(const char *, char *, off_t, off_t);
89 #endif
90 
91 __END_DECLS
92 
93 #endif /* !_SHA512_H_ */
94