1 /* @(#) $Id: sha.h,v 1.1 2006/07/12 18:28:29 dcid Exp $ */
2 /* Included on ossec */
6 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
9 * This package is an SSL implementation written
10 * by Eric Young (eay@cryptsoft.com).
11 * The implementation was written so as to conform with Netscapes SSL.
13 * This library is free for commercial and non-commercial use as long as
14 * the following conditions are aheared to. The following conditions
15 * apply to all code found in this distribution, be it the RC4, RSA,
16 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
17 * included with this distribution is covered by the same copyright terms
18 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
20 * Copyright remains Eric Young's, and as such any Copyright notices in
21 * the code are not to be removed.
22 * If this package is used in a product, Eric Young should be given attribution
23 * as the author of the parts of the library used.
24 * This can be in the form of a textual message at program startup or
25 * in documentation (online or textual) provided with the package.
27 * Redistribution and use in source and binary forms, with or without
28 * modification, are permitted provided that the following conditions
30 * 1. Redistributions of source code must retain the copyright
31 * notice, this list of conditions and the following disclaimer.
32 * 2. Redistributions in binary form must reproduce the above copyright
33 * notice, this list of conditions and the following disclaimer in the
34 * documentation and/or other materials provided with the distribution.
35 * 3. All advertising materials mentioning features or use of this software
36 * must display the following acknowledgement:
37 * "This product includes cryptographic software written by
38 * Eric Young (eay@cryptsoft.com)"
39 * The word 'cryptographic' can be left out if the rouines from the library
40 * being used are not cryptographic related :-).
41 * 4. If you include any Windows specific code (or a derivative thereof) from
42 * the apps directory (application code) you must include an acknowledgement:
43 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
45 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
49 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 * The licence and distribution terms for any publically available version or
58 * derivative of this code cannot be changed. i.e. this code cannot simply be
59 * copied and put under another distribution licence
60 * [including the GNU Public Licence.]
68 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
69 * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then !
70 * ! SHA_LONG_LOG2 has to be defined along. !
71 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
75 #define SHA_LONG unsigned long
76 #elif defined(__ILP64__)
77 #define SHA_LONG unsigned long
78 #define SHA_LONG_LOG2 3
80 #define SHA_LONG unsigned int
84 #define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a
85 * contiguous array of 32 bit
86 * wide big-endian values. */
87 #define SHA_LAST_BLOCK (SHA_CBLOCK-8)
88 #define SHA_DIGEST_LENGTH 20
90 typedef struct SHAstate_st
92 SHA_LONG h0,h1,h2,h3,h4;
94 SHA_LONG data[SHA_LBLOCK];
98 int SHA1_Init(SHA_CTX *c);
99 int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
100 int SHA1_Final(unsigned char *md, SHA_CTX *c);
101 unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
102 void SHA1_Transform(SHA_CTX *c, const unsigned char *data);