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13ff27b7 | 1 | /* $OpenBSD: sha2.h,v 1.6 2004/06/22 01:57:30 jfb Exp $ */ |
2 | ||
3 | /* | |
4 | * FILE: sha2.h | |
5 | * AUTHOR: Aaron D. Gifford <me@aarongifford.com> | |
6 | * | |
7 | * Copyright (c) 2000-2001, Aaron D. Gifford | |
8 | * All rights reserved. | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or without | |
11 | * modification, are permitted provided that the following conditions | |
12 | * are met: | |
13 | * 1. Redistributions of source code must retain the above copyright | |
14 | * notice, this list of conditions and the following disclaimer. | |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in the | |
17 | * documentation and/or other materials provided with the distribution. | |
18 | * 3. Neither the name of the copyright holder nor the names of contributors | |
19 | * may be used to endorse or promote products derived from this software | |
20 | * without specific prior written permission. | |
21 | * | |
22 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND | |
23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE | |
26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
32 | * SUCH DAMAGE. | |
33 | * | |
34 | * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $ | |
35 | */ | |
36 | ||
37 | /* OPENBSD ORIGINAL: include/sha2.h */ | |
38 | ||
6c3a432e | 39 | #ifndef _SSHSHA2_H |
40 | #define _SSHSHA2_H | |
13ff27b7 | 41 | |
42 | #include "includes.h" | |
43 | ||
b1f0c612 | 44 | #include <openssl/opensslv.h> |
45 | ||
46 | #if !defined(HAVE_EVP_SHA256) && !defined(HAVE_SHA256_UPDATE) && \ | |
47 | (OPENSSL_VERSION_NUMBER >= 0x00907000L) | |
13ff27b7 | 48 | |
49 | /*** SHA-256/384/512 Various Length Definitions ***********************/ | |
50 | #define SHA256_BLOCK_LENGTH 64 | |
51 | #define SHA256_DIGEST_LENGTH 32 | |
52 | #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) | |
53 | #define SHA384_BLOCK_LENGTH 128 | |
54 | #define SHA384_DIGEST_LENGTH 48 | |
55 | #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) | |
56 | #define SHA512_BLOCK_LENGTH 128 | |
57 | #define SHA512_DIGEST_LENGTH 64 | |
58 | #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) | |
59 | ||
60 | ||
61 | /*** SHA-256/384/512 Context Structures *******************************/ | |
62 | typedef struct _SHA256_CTX { | |
63 | u_int32_t state[8]; | |
64 | u_int64_t bitcount; | |
65 | u_int8_t buffer[SHA256_BLOCK_LENGTH]; | |
66 | } SHA256_CTX; | |
67 | typedef struct _SHA512_CTX { | |
68 | u_int64_t state[8]; | |
69 | u_int64_t bitcount[2]; | |
70 | u_int8_t buffer[SHA512_BLOCK_LENGTH]; | |
71 | } SHA512_CTX; | |
72 | ||
3070c7e1 | 73 | #if 0 |
13ff27b7 | 74 | typedef SHA512_CTX SHA384_CTX; |
3070c7e1 | 75 | #endif |
13ff27b7 | 76 | |
77 | void SHA256_Init(SHA256_CTX *); | |
78 | void SHA256_Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]); | |
79 | void SHA256_Update(SHA256_CTX *, const u_int8_t *, size_t) | |
80 | __attribute__((__bounded__(__string__,2,3))); | |
81 | void SHA256_Pad(SHA256_CTX *); | |
82 | void SHA256_Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA256_CTX *) | |
83 | __attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH))); | |
84 | char *SHA256_End(SHA256_CTX *, char *) | |
85 | __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); | |
86 | char *SHA256_File(const char *, char *) | |
87 | __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); | |
88 | char *SHA256_FileChunk(const char *, char *, off_t, off_t) | |
89 | __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH))); | |
90 | char *SHA256_Data(const u_int8_t *, size_t, char *) | |
91 | __attribute__((__bounded__(__string__,1,2))) | |
92 | __attribute__((__bounded__(__minbytes__,3,SHA256_DIGEST_STRING_LENGTH))); | |
93 | ||
3070c7e1 | 94 | #if 0 |
13ff27b7 | 95 | void SHA384_Init(SHA384_CTX *); |
96 | void SHA384_Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]); | |
97 | void SHA384_Update(SHA384_CTX *, const u_int8_t *, size_t) | |
98 | __attribute__((__bounded__(__string__,2,3))); | |
99 | void SHA384_Pad(SHA384_CTX *); | |
100 | void SHA384_Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA384_CTX *) | |
101 | __attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH))); | |
102 | char *SHA384_End(SHA384_CTX *, char *) | |
103 | __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); | |
104 | char *SHA384_File(const char *, char *) | |
105 | __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); | |
106 | char *SHA384_FileChunk(const char *, char *, off_t, off_t) | |
107 | __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH))); | |
108 | char *SHA384_Data(const u_int8_t *, size_t, char *) | |
109 | __attribute__((__bounded__(__string__,1,2))) | |
110 | __attribute__((__bounded__(__minbytes__,3,SHA384_DIGEST_STRING_LENGTH))); | |
3070c7e1 | 111 | #endif /* 0 */ |
13ff27b7 | 112 | |
113 | void SHA512_Init(SHA512_CTX *); | |
114 | void SHA512_Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]); | |
115 | void SHA512_Update(SHA512_CTX *, const u_int8_t *, size_t) | |
116 | __attribute__((__bounded__(__string__,2,3))); | |
117 | void SHA512_Pad(SHA512_CTX *); | |
118 | void SHA512_Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA512_CTX *) | |
119 | __attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH))); | |
120 | char *SHA512_End(SHA512_CTX *, char *) | |
121 | __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); | |
122 | char *SHA512_File(const char *, char *) | |
123 | __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); | |
124 | char *SHA512_FileChunk(const char *, char *, off_t, off_t) | |
125 | __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH))); | |
126 | char *SHA512_Data(const u_int8_t *, size_t, char *) | |
127 | __attribute__((__bounded__(__string__,1,2))) | |
128 | __attribute__((__bounded__(__minbytes__,3,SHA512_DIGEST_STRING_LENGTH))); | |
129 | ||
b1f0c612 | 130 | #endif /* !defined(HAVE_EVP_SHA256) && !defined(HAVE_SHA256_UPDATE) && \ |
131 | (OPENSSL_VERSION_NUMBER >= 0x00907000L) */ | |
13ff27b7 | 132 | |
6c3a432e | 133 | #endif /* _SSHSHA2_H */ |