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authorDamien Miller <djm@mindrot.org>2006-03-15 13:02:28 +1100
committerDamien Miller <djm@mindrot.org>2006-03-15 13:02:28 +1100
commitaf87af165f25b7db22e32c0b2e55606bc68c450c (patch)
treec0c8557324164e41b9b09b9db942b7193be69c02 /openbsd-compat/sha2.h
parenta63128d1a8a4077bc992e09d00e2683d1592e500 (diff)
- (djm) [configure.ac defines.h kex.c md-sha256.c]
[openbsd-compat/sha2.h openbsd-compat/openbsd-compat.h] [openbsd-compat/sha2.c] First stab at portability glue for SHA256 KEX support, should work with libc SHA256 support or OpenSSL EVP_sha256 if present
Diffstat (limited to 'openbsd-compat/sha2.h')
-rw-r--r--openbsd-compat/sha2.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/openbsd-compat/sha2.h b/openbsd-compat/sha2.h
new file mode 100644
index 000000000..fb40bde43
--- /dev/null
+++ b/openbsd-compat/sha2.h
@@ -0,0 +1,125 @@
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
39#ifndef _SHA2_H
40#define _SHA2_H
41
42#include "includes.h"
43
44#if !defined(HAVE_SHA256_UPDATE) && !defined(HAVE_EVP_SHA256)
45
46/*** SHA-256/384/512 Various Length Definitions ***********************/
47#define SHA256_BLOCK_LENGTH 64
48#define SHA256_DIGEST_LENGTH 32
49#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
50#define SHA384_BLOCK_LENGTH 128
51#define SHA384_DIGEST_LENGTH 48
52#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
53#define SHA512_BLOCK_LENGTH 128
54#define SHA512_DIGEST_LENGTH 64
55#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
56
57
58/*** SHA-256/384/512 Context Structures *******************************/
59typedef struct _SHA256_CTX {
60 u_int32_t state[8];
61 u_int64_t bitcount;
62 u_int8_t buffer[SHA256_BLOCK_LENGTH];
63} SHA256_CTX;
64typedef struct _SHA512_CTX {
65 u_int64_t state[8];
66 u_int64_t bitcount[2];
67 u_int8_t buffer[SHA512_BLOCK_LENGTH];
68} SHA512_CTX;
69
70typedef SHA512_CTX SHA384_CTX;
71
72void SHA256_Init(SHA256_CTX *);
73void SHA256_Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]);
74void SHA256_Update(SHA256_CTX *, const u_int8_t *, size_t)
75 __attribute__((__bounded__(__string__,2,3)));
76void SHA256_Pad(SHA256_CTX *);
77void SHA256_Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA256_CTX *)
78 __attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH)));
79char *SHA256_End(SHA256_CTX *, char *)
80 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
81char *SHA256_File(const char *, char *)
82 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
83char *SHA256_FileChunk(const char *, char *, off_t, off_t)
84 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
85char *SHA256_Data(const u_int8_t *, size_t, char *)
86 __attribute__((__bounded__(__string__,1,2)))
87 __attribute__((__bounded__(__minbytes__,3,SHA256_DIGEST_STRING_LENGTH)));
88
89void SHA384_Init(SHA384_CTX *);
90void SHA384_Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]);
91void SHA384_Update(SHA384_CTX *, const u_int8_t *, size_t)
92 __attribute__((__bounded__(__string__,2,3)));
93void SHA384_Pad(SHA384_CTX *);
94void SHA384_Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA384_CTX *)
95 __attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH)));
96char *SHA384_End(SHA384_CTX *, char *)
97 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
98char *SHA384_File(const char *, char *)
99 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
100char *SHA384_FileChunk(const char *, char *, off_t, off_t)
101 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
102char *SHA384_Data(const u_int8_t *, size_t, char *)
103 __attribute__((__bounded__(__string__,1,2)))
104 __attribute__((__bounded__(__minbytes__,3,SHA384_DIGEST_STRING_LENGTH)));
105
106void SHA512_Init(SHA512_CTX *);
107void SHA512_Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]);
108void SHA512_Update(SHA512_CTX *, const u_int8_t *, size_t)
109 __attribute__((__bounded__(__string__,2,3)));
110void SHA512_Pad(SHA512_CTX *);
111void SHA512_Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA512_CTX *)
112 __attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH)));
113char *SHA512_End(SHA512_CTX *, char *)
114 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
115char *SHA512_File(const char *, char *)
116 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
117char *SHA512_FileChunk(const char *, char *, off_t, off_t)
118 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
119char *SHA512_Data(const u_int8_t *, size_t, char *)
120 __attribute__((__bounded__(__string__,1,2)))
121 __attribute__((__bounded__(__minbytes__,3,SHA512_DIGEST_STRING_LENGTH)));
122
123#endif /* !defined(HAVE_SHA256_UPDATE) && !defined(HAVE_EVP_SHA256) */
124
125#endif /* _SHA2_H */