blob: 7b7d7d88bf4cd97928a0b02e5a08cf9af13d9d38 (
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
|
/*
* ANSI X9.19 MAC
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_ANSI_X919_MAC_H__
#define BOTAN_ANSI_X919_MAC_H__
#include <botan/mac.h>
#include <botan/block_cipher.h>
namespace Botan {
/**
* DES/3DES-based MAC from ANSI X9.19
*/
class BOTAN_DLL ANSI_X919_MAC : public MessageAuthenticationCode
{
public:
void clear();
std::string name() const;
size_t output_length() const { return 8; }
MessageAuthenticationCode* clone() const;
Key_Length_Specification key_spec() const
{
return Key_Length_Specification(8, 16, 8);
}
ANSI_X919_MAC();
ANSI_X919_MAC(const ANSI_X919_MAC&) = delete;
ANSI_X919_MAC& operator=(const ANSI_X919_MAC&) = delete;
private:
void add_data(const byte[], size_t);
void final_result(byte[]);
void key_schedule(const byte[], size_t);
std::unique_ptr<BlockCipher> m_des1, m_des2;
secure_vector<byte> m_state;
size_t m_position;
};
}
#endif
|
