1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*
* Copyright (C) 2001-2005 Jacek Sieka, arnetheduck on gmail point com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _TIGER_HASH
#define _TIGER_HASH
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
class TigerHash {
public:
/** Hash size in bytes */
enum { HASH_SIZE = 24 };
TigerHash() : pos(0) {
res[0]=_ULL(0x0123456789ABCDEF);
res[1]=_ULL(0xFEDCBA9876543210);
res[2]=_ULL(0xF096A5B4C3B2E187);
}
~TigerHash() {
}
/** Calculates the Tiger hash of the data. */
void update(const void* data, size_t len);
/** Call once all data has been processed. */
u_int8_t* finalize();
u_int8_t* getResult() {
#ifdef __BIG_ENDIAN__
// Convert to little endian
for(int j=0; j<HASH_SIZE; j++)
convRes[j^7] = ((u_int8_t*)res)[j];
return (u_int8_t*) convRes;
#else
return (u_int8_t*) res;
#endif
};
/** State / final hash value */
u_int64_t res[3];
/** Results converted to little endian */
u_int8_t convRes[HASH_SIZE];
private:
enum { BLOCK_SIZE = 512/8 };
/** 512 bit blocks for the compress function */
u_int8_t tmp[512/8];
/** Total number of bytes compressed */
u_int64_t pos;
/** S boxes */
static u_int64_t table[];
void tigerCompress(const u_int64_t* data, u_int64_t state[3]);
};
#endif // _TIGER_HASH
/**
* @file
* $Id: TigerHash.h,v 1.3 2006/01/08 21:35:13 mickeg Exp $
*/
|
