source: rtems-libbsd/freebsd/sys/crypto/sha2/sha2.h @ 0a57e1d

4.115-freebsd-12freebsd-9.3
Last change on this file since 0a57e1d was 0a57e1d, checked in by Sebastian Huber <sebastian.huber@…>, on Nov 6, 2013 at 8:35:05 AM

Reduce divergence from FreeBSD sources

  • Property mode set to 100644
File size: 4.7 KB
Line 
1/*      $FreeBSD$       */
2/*      $KAME: sha2.h,v 1.3 2001/03/12 08:27:48 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#ifdef __cplusplus
43extern "C" {
44#endif
45
46
47/*** SHA-256/384/512 Various Length Definitions ***********************/
48#define SHA256_BLOCK_LENGTH             64
49#define SHA256_DIGEST_LENGTH            32
50#define SHA256_DIGEST_STRING_LENGTH     (SHA256_DIGEST_LENGTH * 2 + 1)
51#define SHA384_BLOCK_LENGTH             128
52#define SHA384_DIGEST_LENGTH            48
53#define SHA384_DIGEST_STRING_LENGTH     (SHA384_DIGEST_LENGTH * 2 + 1)
54#define SHA512_BLOCK_LENGTH             128
55#define SHA512_DIGEST_LENGTH            64
56#define SHA512_DIGEST_STRING_LENGTH     (SHA512_DIGEST_LENGTH * 2 + 1)
57
58
59/*** SHA-256/384/512 Context Structures *******************************/
60/* NOTE: If your architecture does not define either u_intXX_t types or
61 * uintXX_t (from inttypes.h), you may need to define things by hand
62 * for your system:
63 */
64#if 0
65typedef unsigned char u_int8_t;         /* 1-byte  (8-bits)  */
66typedef unsigned int u_int32_t;         /* 4-bytes (32-bits) */
67typedef unsigned long long u_int64_t;   /* 8-bytes (64-bits) */
68#endif
69/*
70 * Most BSD systems already define u_intXX_t types, as does Linux.
71 * Some systems, however, like Compaq's Tru64 Unix instead can use
72 * uintXX_t types defined by very recent ANSI C standards and included
73 * in the file:
74 *
75 *   #include <inttypes.h>
76 *
77 * If you choose to use <inttypes.h> then please define:
78 *
79 *   #define SHA2_USE_INTTYPES_H
80 *
81 * Or on the command line during compile:
82 *
83 *   cc -DSHA2_USE_INTTYPES_H ...
84 */
85#if 0 /*def SHA2_USE_INTTYPES_H*/
86
87typedef struct _SHA256_CTX {
88        uint32_t        state[8];
89        uint64_t        bitcount;
90        uint8_t buffer[SHA256_BLOCK_LENGTH];
91} SHA256_CTX;
92typedef struct _SHA512_CTX {
93        uint64_t        state[8];
94        uint64_t        bitcount[2];
95        uint8_t buffer[SHA512_BLOCK_LENGTH];
96} SHA512_CTX;
97
98#else /* SHA2_USE_INTTYPES_H */
99
100typedef struct _SHA256_CTX {
101        u_int32_t       state[8];
102        u_int64_t       bitcount;
103        u_int8_t        buffer[SHA256_BLOCK_LENGTH];
104} SHA256_CTX;
105typedef struct _SHA512_CTX {
106        u_int64_t       state[8];
107        u_int64_t       bitcount[2];
108        u_int8_t        buffer[SHA512_BLOCK_LENGTH];
109} SHA512_CTX;
110
111#endif /* SHA2_USE_INTTYPES_H */
112
113typedef SHA512_CTX SHA384_CTX;
114
115
116/*** SHA-256/384/512 Function Prototypes ******************************/
117
118void SHA256_Init(SHA256_CTX *);
119void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t);
120void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
121char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
122char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
123
124void SHA384_Init(SHA384_CTX*);
125void SHA384_Update(SHA384_CTX*, const u_int8_t*, size_t);
126void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
127char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
128char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
129
130void SHA512_Init(SHA512_CTX*);
131void SHA512_Update(SHA512_CTX*, const u_int8_t*, size_t);
132void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
133char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
134char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
135
136#ifdef  __cplusplus
137}
138#endif /* __cplusplus */
139
140#endif /* __SHA2_H__ */
141
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