blob: 380f6eb247b52fea5bb707d9d21cf0170b275d00 (
plain)
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
|
/*
* Tiger
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_TIGER_H__
#define BOTAN_TIGER_H__
#include <botan/mdx_hash.h>
namespace Botan {
/**
* Tiger
*/
class BOTAN_DLL Tiger : public MDx_HashFunction
{
public:
void clear();
std::string name() const;
HashFunction* clone() const
{
return new Tiger(OUTPUT_LENGTH, PASS);
}
/**
* @param out_size specifies the output length; can be 16, 20, or 24
* @param passes to make in the algorithm
*/
Tiger(u32bit out_size = 24, u32bit passes = 3);
private:
void compress_n(const byte[], u32bit block);
void copy_out(byte[]);
static void pass(u64bit&, u64bit&, u64bit&, u64bit[8], byte);
static const u64bit SBOX1[256];
static const u64bit SBOX2[256];
static const u64bit SBOX3[256];
static const u64bit SBOX4[256];
SecureVector<u64bit, 8> X;
SecureVector<u64bit, 3> digest;
const u32bit PASS;
};
}
#endif
|
