1 /*	$NetBSD: sha.h,v 1.1.1.2 2011/04/14 14:08:33 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 1995 - 2001 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
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  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 /* Id */
37 
38 #ifndef HEIM_SHA_H
39 #define HEIM_SHA_H 1
40 
41 /* symbol renaming */
42 #define SHA1_Init hc_SHA1_Init
43 #define SHA1_Update hc_SHA1_Update
44 #define SHA1_Final hc_SHA1_Final
45 #define SHA256_Init hc_SHA256_Init
46 #define SHA256_Update hc_SHA256_Update
47 #define SHA256_Final hc_SHA256_Final
48 #define SHA384_Init hc_SHA384_Init
49 #define SHA384_Update hc_SHA384_Update
50 #define SHA384_Final hc_SHA384_Final
51 #define SHA512_Init hc_SHA512_Init
52 #define SHA512_Update hc_SHA512_Update
53 #define SHA512_Final hc_SHA512_Final
54 
55 /*
56  * SHA-1
57  */
58 
59 #define SHA_DIGEST_LENGTH 20
60 
61 struct sha {
62   unsigned int sz[2];
63   uint32_t counter[5];
64   unsigned char save[64];
65 };
66 
67 typedef struct sha SHA_CTX;
68 
69 void SHA1_Init (struct sha *m);
70 void SHA1_Update (struct sha *m, const void *v, size_t len);
71 void SHA1_Final (void *res, struct sha *m);
72 
73 /*
74  * SHA-2 256
75  */
76 
77 #define SHA256_DIGEST_LENGTH 32
78 
79 struct hc_sha256state {
80   unsigned int sz[2];
81   uint32_t counter[8];
82   unsigned char save[64];
83 };
84 
85 typedef struct hc_sha256state SHA256_CTX;
86 
87 void SHA256_Init (SHA256_CTX *);
88 void SHA256_Update (SHA256_CTX *, const void *, size_t);
89 void SHA256_Final (void *, SHA256_CTX *);
90 
91 /*
92  * SHA-2 512
93  */
94 
95 #define SHA512_DIGEST_LENGTH 64
96 
97 struct hc_sha512state {
98   uint64_t sz[2];
99   uint64_t counter[8];
100   unsigned char save[128];
101 };
102 
103 typedef struct hc_sha512state SHA512_CTX;
104 
105 void SHA512_Init (SHA512_CTX *);
106 void SHA512_Update (SHA512_CTX *, const void *, size_t);
107 void SHA512_Final (void *, SHA512_CTX *);
108 
109 #define SHA384_DIGEST_LENGTH 48
110 
111 typedef struct hc_sha512state SHA384_CTX;
112 
113 void SHA384_Init (SHA384_CTX *);
114 void SHA384_Update (SHA384_CTX *, const void *, size_t);
115 void SHA384_Final (void *, SHA384_CTX *);
116 
117 #endif /* HEIM_SHA_H */
118