1 /* $OpenBSD: sha2.h,v 1.6 2004/06/22 01:57:30 jfb Exp */
5 * AUTHOR: Aaron D. Gifford <me@aarongifford.com>
7 * Copyright (c) 2000-2001, Aaron D. Gifford
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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
34 * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
37 /* OPENBSD ORIGINAL: include/sha2.h */
45 # include <openssl/opensslv.h>
46 # if !defined(HAVE_EVP_SHA256) && (OPENSSL_VERSION_NUMBER >= 0x00907000L)
53 #if defined(_NEED_SHA2) && !defined(HAVE_SHA256_UPDATE)
55 /*** SHA-256/384/512 Various Length Definitions ***********************/
56 #define SHA256_BLOCK_LENGTH 64
57 #define SHA256_DIGEST_LENGTH 32
58 #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
59 #define SHA384_BLOCK_LENGTH 128
60 #define SHA384_DIGEST_LENGTH 48
61 #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
62 #define SHA512_BLOCK_LENGTH 128
63 #define SHA512_DIGEST_LENGTH 64
64 #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
67 /*** SHA-256/384/512 Context Structures *******************************/
68 typedef struct _SHA256_CTX {
71 u_int8_t buffer[SHA256_BLOCK_LENGTH];
73 typedef struct _SHA512_CTX {
75 u_int64_t bitcount[2];
76 u_int8_t buffer[SHA512_BLOCK_LENGTH];
79 typedef SHA512_CTX SHA384_CTX;
81 void SHA256_Init(SHA256_CTX *);
82 void SHA256_Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]);
83 void SHA256_Update(SHA256_CTX *, const u_int8_t *, size_t)
84 __attribute__((__bounded__(__string__,2,3)));
85 void SHA256_Pad(SHA256_CTX *);
86 void SHA256_Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA256_CTX *)
87 __attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH)));
88 char *SHA256_End(SHA256_CTX *, char *)
89 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
90 char *SHA256_File(const char *, char *)
91 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
92 char *SHA256_FileChunk(const char *, char *, off_t, off_t)
93 __attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
94 char *SHA256_Data(const u_int8_t *, size_t, char *)
95 __attribute__((__bounded__(__string__,1,2)))
96 __attribute__((__bounded__(__minbytes__,3,SHA256_DIGEST_STRING_LENGTH)));
98 void SHA384_Init(SHA384_CTX *);
99 void SHA384_Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]);
100 void SHA384_Update(SHA384_CTX *, const u_int8_t *, size_t)
101 __attribute__((__bounded__(__string__,2,3)));
102 void SHA384_Pad(SHA384_CTX *);
103 void SHA384_Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA384_CTX *)
104 __attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH)));
105 char *SHA384_End(SHA384_CTX *, char *)
106 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
107 char *SHA384_File(const char *, char *)
108 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
109 char *SHA384_FileChunk(const char *, char *, off_t, off_t)
110 __attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
111 char *SHA384_Data(const u_int8_t *, size_t, char *)
112 __attribute__((__bounded__(__string__,1,2)))
113 __attribute__((__bounded__(__minbytes__,3,SHA384_DIGEST_STRING_LENGTH)));
115 void SHA512_Init(SHA512_CTX *);
116 void SHA512_Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]);
117 void SHA512_Update(SHA512_CTX *, const u_int8_t *, size_t)
118 __attribute__((__bounded__(__string__,2,3)));
119 void SHA512_Pad(SHA512_CTX *);
120 void SHA512_Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA512_CTX *)
121 __attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH)));
122 char *SHA512_End(SHA512_CTX *, char *)
123 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
124 char *SHA512_File(const char *, char *)
125 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
126 char *SHA512_FileChunk(const char *, char *, off_t, off_t)
127 __attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
128 char *SHA512_Data(const u_int8_t *, size_t, char *)
129 __attribute__((__bounded__(__string__,1,2)))
130 __attribute__((__bounded__(__minbytes__,3,SHA512_DIGEST_STRING_LENGTH)));
132 #endif /* defined(_NEED_SHA2) && !defined(HAVE_SHA256_UPDATE) */
134 #endif /* _SSHSHA2_H */