1 | /* $NetBSD: sha2.h,v 1.3 2009/05/26 08:04:12 joerg Exp $ */ |
2 | /* $KAME: sha2.h,v 1.4 2003/07/20 00:28:38 itojun Exp $ */ |
3 | |
4 | /* |
5 | * sha2.h |
6 | * |
7 | * Version 1.0.0beta1 |
8 | * |
9 | * Written by Aaron D. Gifford <me@aarongifford.com> |
10 | * |
11 | * Copyright 2000 Aaron D. Gifford. All rights reserved. |
12 | * |
13 | * Redistribution and use in source and binary forms, with or without |
14 | * modification, are permitted provided that the following conditions |
15 | * are met: |
16 | * 1. Redistributions of source code must retain the above copyright |
17 | * notice, this list of conditions and the following disclaimer. |
18 | * 2. Redistributions in binary form must reproduce the above copyright |
19 | * notice, this list of conditions and the following disclaimer in the |
20 | * documentation and/or other materials provided with the distribution. |
21 | * 3. Neither the name of the copyright holder nor the names of contributors |
22 | * may be used to endorse or promote products derived from this software |
23 | * without specific prior written permission. |
24 | * |
25 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``AS IS'' AND |
26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE |
29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
35 | * SUCH DAMAGE. |
36 | * |
37 | */ |
38 | |
39 | #ifndef __SHA2_H__ |
40 | #define __SHA2_H__ |
41 | |
42 | #include <sys/types.h> |
43 | #include <sys/cdefs.h> |
44 | |
45 | /*** SHA-224/256/384/512 Various Length Definitions ***********************/ |
46 | #define SHA224_BLOCK_LENGTH 64 |
47 | #define SHA224_DIGEST_LENGTH 28 |
48 | #define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1) |
49 | #define SHA256_BLOCK_LENGTH 64 |
50 | #define SHA256_DIGEST_LENGTH 32 |
51 | #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) |
52 | #define SHA384_BLOCK_LENGTH 128 |
53 | #define SHA384_DIGEST_LENGTH 48 |
54 | #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) |
55 | #define SHA512_BLOCK_LENGTH 128 |
56 | #define SHA512_DIGEST_LENGTH 64 |
57 | #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) |
58 | |
59 | |
60 | /*** SHA-256/384/512 Context Structures *******************************/ |
61 | typedef struct _SHA256_CTX { |
62 | uint32_t state[8]; |
63 | uint64_t bitcount; |
64 | uint8_t buffer[SHA256_BLOCK_LENGTH]; |
65 | } SHA256_CTX; |
66 | |
67 | typedef struct _SHA512_CTX { |
68 | uint64_t state[8]; |
69 | uint64_t bitcount[2]; |
70 | uint8_t buffer[SHA512_BLOCK_LENGTH]; |
71 | } SHA512_CTX; |
72 | |
73 | typedef SHA256_CTX SHA224_CTX; |
74 | typedef SHA512_CTX SHA384_CTX; |
75 | |
76 | |
77 | /*** SHA-256/384/512 Function Prototypes ******************************/ |
78 | __BEGIN_DECLS |
79 | int SHA224_Init(SHA224_CTX *); |
80 | int SHA224_Update(SHA224_CTX*, const uint8_t*, size_t); |
81 | int SHA224_Final(uint8_t[SHA224_DIGEST_LENGTH], SHA224_CTX*); |
82 | #ifndef _KERNEL |
83 | char *SHA224_End(SHA224_CTX *, char[SHA224_DIGEST_STRING_LENGTH]); |
84 | char *SHA224_FileChunk(const char *, char *, off_t, off_t); |
85 | char *SHA224_File(const char *, char *); |
86 | char *SHA224_Data(const uint8_t *, size_t, char[SHA224_DIGEST_STRING_LENGTH]); |
87 | #endif /* !_KERNEL */ |
88 | |
89 | int SHA256_Init(SHA256_CTX *); |
90 | int SHA256_Update(SHA256_CTX*, const uint8_t*, size_t); |
91 | int SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*); |
92 | #ifndef _KERNEL |
93 | char *SHA256_End(SHA256_CTX *, char[SHA256_DIGEST_STRING_LENGTH]); |
94 | char *SHA256_FileChunk(const char *, char *, off_t, off_t); |
95 | char *SHA256_File(const char *, char *); |
96 | char *SHA256_Data(const uint8_t *, size_t, char[SHA256_DIGEST_STRING_LENGTH]); |
97 | #endif /* !_KERNEL */ |
98 | |
99 | int SHA384_Init(SHA384_CTX*); |
100 | int SHA384_Update(SHA384_CTX*, const uint8_t*, size_t); |
101 | int SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*); |
102 | #ifndef _KERNEL |
103 | char *SHA384_End(SHA384_CTX *, char[SHA384_DIGEST_STRING_LENGTH]); |
104 | char *SHA384_FileChunk(const char *, char *, off_t, off_t); |
105 | char *SHA384_File(const char *, char *); |
106 | char *SHA384_Data(const uint8_t *, size_t, char[SHA384_DIGEST_STRING_LENGTH]); |
107 | #endif /* !_KERNEL */ |
108 | |
109 | int SHA512_Init(SHA512_CTX*); |
110 | int SHA512_Update(SHA512_CTX*, const uint8_t*, size_t); |
111 | int SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*); |
112 | #ifndef _KERNEL |
113 | char *SHA512_End(SHA512_CTX *, char[SHA512_DIGEST_STRING_LENGTH]); |
114 | char *SHA512_FileChunk(const char *, char *, off_t, off_t); |
115 | char *SHA512_File(const char *, char *); |
116 | char *SHA512_Data(const uint8_t *, size_t, char[SHA512_DIGEST_STRING_LENGTH]); |
117 | #endif /* !_KERNEL */ |
118 | __END_DECLS |
119 | |
120 | #endif /* __SHA2_H__ */ |
121 | |