blob: 54cdd002c3af5b04eed27e98e9471d5559f1c35c (
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
|
/*
* The Skein-512 hash function
* (C) 2009 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_SKEIN_512_H__
#define BOTAN_SKEIN_512_H__
#include <botan/secmem.h>
#include <botan/hash.h>
#include <string>
namespace Botan {
/**
* Skein-512, a SHA-3 candidate
*/
class BOTAN_DLL Skein_512 : public HashFunction
{
public:
/**
* @param output_bits the output size of Skein in bits
* @param personalization is a string that will paramaterize the
* hash output
*/
Skein_512(size_t output_bits = 512,
const std::string& personalization = "");
size_t hash_block_size() const { return 64; }
HashFunction* clone() const;
std::string name() const;
void clear();
private:
void add_data(const byte input[], size_t length);
void final_result(byte out[]);
std::string personalization;
size_t output_bits;
SecureVector<u64bit> H;
SecureVector<u64bit> T;
SecureVector<byte> buffer;
size_t buf_pos;
};
}
#endif
|
