Sync libmd with FreeBSD:
[dragonfly.git] / lib / libmd / sha.h
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1/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
56 *
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57 * $FreeBSD: src/lib/libmd/sha.h,v 1.5 2006/01/17 15:35:56 phk Exp $
58 * $DragonFly: src/lib/libmd/sha.h,v 1.4 2008/09/11 20:25:34 swildner Exp $
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59 */
60
61#ifndef _SHA_H_
62#define _SHA_H_ 1
63
64#include <sys/cdefs.h>
41e8adcb 65#include <sys/types.h> /* XXX switch to machine/stdint.h and __ types */
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66
67#define SHA_CBLOCK 64
68#define SHA_LBLOCK 16
69#define SHA_BLOCK 16
70#define SHA_LAST_BLOCK 56
71#define SHA_LENGTH_BLOCK 8
72#define SHA_DIGEST_LENGTH 20
73
74typedef struct SHAstate_st {
75 u_int32_t h0, h1, h2, h3, h4;
76 u_int32_t Nl, Nh;
77 u_int32_t data[SHA_LBLOCK];
78 int num;
79} SHA_CTX;
80#define SHA1_CTX SHA_CTX
81
82__BEGIN_DECLS
83void SHA_Init(SHA_CTX *c);
3cd01911 84void SHA_Update(SHA_CTX *c, const void *data, size_t len);
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85void SHA_Final(unsigned char *md, SHA_CTX *c);
86char *SHA_End(SHA_CTX *, char *);
87char *SHA_File(const char *, char *);
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88char *SHA_FileChunk(const char *, char *, off_t, off_t);
89char *SHA_Data(const void *, unsigned int, char *);
984263bc 90void SHA1_Init(SHA_CTX *c);
3cd01911 91void SHA1_Update(SHA_CTX *c, const void *data, size_t len);
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92void SHA1_Final(unsigned char *md, SHA_CTX *c);
93char *SHA1_End(SHA_CTX *, char *);
94char *SHA1_File(const char *, char *);
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95char *SHA1_FileChunk(const char *, char *, off_t, off_t);
96char *SHA1_Data(const void *, unsigned int, char *);
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97__END_DECLS
98
99#endif /* !_SHA_H_ */