apt  0.9.7.5ubuntu5
sha2_internal.h
1 /*
2  * FILE: sha2.h
3  * AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/
4  *
5  * Copyright (c) 2000-2001, Aaron D. Gifford
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  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in the
15  * documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the copyright holder nor the names of contributors
17  * may be used to endorse or promote products derived from this software
18  * without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
33  */
34 
35 #ifndef __SHA2_H__
36 #define __SHA2_H__
37 
38 /*
39  * Import u_intXX_t size_t type definitions from system headers. You
40  * may need to change this, or define these things yourself in this
41  * file.
42  */
43 #include <sys/types.h>
44 
45 #ifdef SHA2_USE_INTTYPES_H
46 
47 #include <inttypes.h>
48 
49 #endif /* SHA2_USE_INTTYPES_H */
50 
51 
52 /*** SHA-256/384/512 Various Length Definitions ***********************/
53 #define SHA256_BLOCK_LENGTH 64
54 #define SHA256_DIGEST_LENGTH 32
55 #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
56 #define SHA384_BLOCK_LENGTH 128
57 #define SHA384_DIGEST_LENGTH 48
58 #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
59 #define SHA512_BLOCK_LENGTH 128
60 #define SHA512_DIGEST_LENGTH 64
61 #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
62 
63 
64 /*** SHA-256/384/512 Context Structures *******************************/
65 /* NOTE: If your architecture does not define either u_intXX_t types or
66  * uintXX_t (from inttypes.h), you may need to define things by hand
67  * for your system:
68  */
69 #if 0
70 typedef unsigned char u_int8_t; /* 1-byte (8-bits) */
71 typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */
72 typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
73 #endif
74 /*
75  * Most BSD systems already define u_intXX_t types, as does Linux.
76  * Some systems, however, like Compaq's Tru64 Unix instead can use
77  * uintXX_t types defined by very recent ANSI C standards and included
78  * in the file:
79  *
80  * #include <inttypes.h>
81  *
82  * If you choose to use <inttypes.h> then please define:
83  *
84  * #define SHA2_USE_INTTYPES_H
85  *
86  * Or on the command line during compile:
87  *
88  * cc -DSHA2_USE_INTTYPES_H ...
89  */
90 #ifdef SHA2_USE_INTTYPES_H
91 
92 typedef struct _SHA256_CTX {
93  uint32_t state[8];
94  uint64_t bitcount;
95  uint8_t buffer[SHA256_BLOCK_LENGTH];
96 } SHA256_CTX;
97 typedef struct _SHA512_CTX {
98  uint64_t state[8];
99  uint64_t bitcount[2];
100  uint8_t buffer[SHA512_BLOCK_LENGTH];
101 } SHA512_CTX;
102 
103 #else /* SHA2_USE_INTTYPES_H */
104 
105 typedef struct _SHA256_CTX {
106  u_int32_t state[8];
107  u_int64_t bitcount;
108  u_int8_t buffer[SHA256_BLOCK_LENGTH];
109 } SHA256_CTX;
110 typedef struct _SHA512_CTX {
111  u_int64_t state[8];
112  u_int64_t bitcount[2];
113  u_int8_t buffer[SHA512_BLOCK_LENGTH];
114 } SHA512_CTX;
115 
116 #endif /* SHA2_USE_INTTYPES_H */
117 
118 typedef SHA512_CTX SHA384_CTX;
119 
120 
121 /*** SHA-256/384/512 Function Prototypes ******************************/
122 #ifndef NOPROTO
123 #ifdef SHA2_USE_INTTYPES_H
124 
125 void SHA256_Init(SHA256_CTX *);
126 void SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
127 void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
128 char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
129 char* SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
130 
131 void SHA384_Init(SHA384_CTX*);
132 void SHA384_Update(SHA384_CTX*, const uint8_t*, size_t);
133 void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
134 char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
135 char* SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
136 
137 void SHA512_Init(SHA512_CTX*);
138 void SHA512_Update(SHA512_CTX*, const uint8_t*, size_t);
139 void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
140 char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
141 char* SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
142 
143 #else /* SHA2_USE_INTTYPES_H */
144 
145 void SHA256_Init(SHA256_CTX *);
146 void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t);
147 void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
148 char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
149 char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
150 
151 void SHA384_Init(SHA384_CTX*);
152 void SHA384_Update(SHA384_CTX*, const u_int8_t*, size_t);
153 void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
154 char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
155 char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
156 
157 void SHA512_Init(SHA512_CTX*);
158 void SHA512_Update(SHA512_CTX*, const u_int8_t*, size_t);
159 void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
160 char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
161 char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
162 
163 #endif /* SHA2_USE_INTTYPES_H */
164 
165 #else /* NOPROTO */
166 
167 void SHA256_Init();
168 void SHA256_Update();
169 void SHA256_Final();
170 char* SHA256_End();
171 char* SHA256_Data();
172 
173 void SHA384_Init();
174 void SHA384_Update();
175 void SHA384_Final();
176 char* SHA384_End();
177 char* SHA384_Data();
178 
179 void SHA512_Init();
180 void SHA512_Update();
181 void SHA512_Final();
182 char* SHA512_End();
183 char* SHA512_Data();
184 
185 #endif /* NOPROTO */
186 
187 #endif /* __SHA2_H__ */
188