Annotation of embedaddon/ipsec-tools/src/racoon/missing/crypto/sha2/sha2.h, revision 1.1.1.1
1.1 misho 1: /* $NetBSD: sha2.h,v 1.4 2006/09/09 16:22:36 manu Exp $ */
2:
3: /* $KAME: sha2.h,v 1.2 2001/08/08 22:09:27 sakane Exp $ */
4:
5: /*
6: * sha2.h
7: *
8: * Version 1.0.0beta1
9: *
10: * Written by Aaron D. Gifford <me@aarongifford.com>
11: *
12: * Copyright 2000 Aaron D. Gifford. All rights reserved.
13: *
14: * Redistribution and use in source and binary forms, with or without
15: * modification, are permitted provided that the following conditions
16: * are met:
17: * 1. Redistributions of source code must retain the above copyright
18: * notice, this list of conditions and the following disclaimer.
19: * 2. Redistributions in binary form must reproduce the above copyright
20: * notice, this list of conditions and the following disclaimer in the
21: * documentation and/or other materials provided with the distribution.
22: * 3. Neither the name of the copyright holder nor the names of contributors
23: * may be used to endorse or promote products derived from this software
24: * without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE
30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36: * SUCH DAMAGE.
37: *
38: */
39:
40: #ifndef __SHA2_H__
41: #define __SHA2_H__
42:
43: #ifdef __cplusplus
44: extern "C" {
45: #endif
46:
47:
48: /*** SHA-256/384/512 Various Length Definitions ***********************/
49: #define SHA256_BLOCK_LENGTH 64
50: #define SHA256_DIGEST_LENGTH 32
51: #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
52: #define SHA384_BLOCK_LENGTH 128
53: #define SHA384_DIGEST_LENGTH 48
54: #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
55: #define SHA512_BLOCK_LENGTH 128
56: #define SHA512_DIGEST_LENGTH 64
57: #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
58:
59:
60: /*** SHA-256/384/512 Context Structures *******************************/
61: /* NOTE: If your architecture does not define either u_intXX_t types or
62: * uintXX_t (from inttypes.h), you may need to define things by hand
63: * for your system:
64: */
65: #if 0
66: typedef unsigned char u_int8_t; /* 1-byte (8-bits) */
67: typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */
68: typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
69: #endif
70:
71: #ifndef HAVE_SHA2_IN_SHA_H
72: /*
73: * Most BSD systems already define u_intXX_t types, as does Linux.
74: * Some systems, however, like Compaq's Tru64 Unix instead can use
75: * uintXX_t types defined by very recent ANSI C standards and included
76: * in the file:
77: *
78: * #include <inttypes.h>
79: *
80: * If you choose to use <inttypes.h> then please define:
81: *
82: * #define SHA2_USE_INTTYPES_H
83: *
84: * Or on the command line during compile:
85: *
86: * cc -DSHA2_USE_INTTYPES_H ...
87: */
88: #if 0 /*def SHA2_USE_INTTYPES_H*/
89:
90: typedef struct _SHA256_CTX {
91: uint32_t state[8];
92: uint64_t bitcount;
93: uint8_t buffer[SHA256_BLOCK_LENGTH];
94: } SHA256_CTX;
95: typedef struct _SHA512_CTX {
96: uint64_t state[8];
97: uint64_t bitcount[2];
98: uint8_t buffer[SHA512_BLOCK_LENGTH];
99: } SHA512_CTX;
100:
101: #else /* SHA2_USE_INTTYPES_H */
102:
103: typedef struct _SHA256_CTX {
104: u_int32_t state[8];
105: u_int64_t bitcount;
106: u_int8_t buffer[SHA256_BLOCK_LENGTH];
107: } SHA256_CTX;
108: typedef struct _SHA512_CTX {
109: u_int64_t state[8];
110: u_int64_t bitcount[2];
111: u_int8_t buffer[SHA512_BLOCK_LENGTH];
112: } SHA512_CTX;
113:
114: #endif /* SHA2_USE_INTTYPES_H */
115: #endif /* HAVE_SHA2_IN_SHA_H */
116:
117: typedef SHA512_CTX SHA384_CTX;
118:
119:
120: /*** SHA-256/384/512 Function Prototypes ******************************/
121:
122: #ifndef HAVE_SHA2_IN_SHA_H
123: void SHA256_Init __P((SHA256_CTX *));
124: void SHA256_Update __P((SHA256_CTX*, const u_int8_t*, size_t));
125: void SHA256_Final __P((u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*));
126: #endif /* HAVE_SHA2_IN_SHA_H */
127: char* SHA256_End __P((SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]));
128: char* SHA256_Data __P((const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]));
129:
130: #ifndef HAVE_SHA2_IN_SHA_H
131: void SHA384_Init __P((SHA384_CTX*));
132: void SHA384_Update __P((SHA384_CTX*, const u_int8_t*, size_t));
133: void SHA384_Final __P((u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*));
134: #endif /* HAVE_SHA2_IN_SHA_H */
135: char* SHA384_End __P((SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]));
136: char* SHA384_Data __P((const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]));
137:
138: #ifndef HAVE_SHA2_IN_SHA_H
139: void SHA512_Init __P((SHA512_CTX*));
140: void SHA512_Update __P((SHA512_CTX*, const u_int8_t*, size_t));
141: void SHA512_Final __P((u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*));
142: #endif /* HAVE_SHA2_IN_SHA_H */
143: char* SHA512_End __P((SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]));
144: char* SHA512_Data __P((const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]));
145:
146: struct env_md_st *EVP_sha2_256 __P((void));
147: struct env_md_st *EVP_sha2_384 __P((void));
148: struct env_md_st *EVP_sha2_512 __P((void));
149:
150: #ifdef HAVE_SHA2_IN_SHA_H
151: #define EVP_sha2_256 EVP_sha256
152: #define EVP_sha2_384 EVP_sha384
153: #define EVP_sha2_512 EVP_sha512
154: #endif
155:
156: #ifdef __cplusplus
157: }
158: #endif /* __cplusplus */
159:
160: #endif /* __SHA2_H__ */
161:
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