Botan 2.1.0 Crypto and TLS for C++11

- Main Page
- Namespaces
- Classes
- Files

- File List
- File Members

x919_mac.h
Go to the documentation of this file.
1 /*
2 * ANSI X9.19 MAC
3 * (C) 1999-2007 Jack Lloyd
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7
8 #ifndef BOTAN_ANSI_X919_MAC_H__
9 #define BOTAN_ANSI_X919_MAC_H__
10
11 #include <botan/mac.h>
12 #include <botan/block_cipher.h>
13
14 namespace Botan {
15
16 /**
17 * DES/3DES-based MAC from ANSI X9.19
18 */
19 class BOTAN_DLL ANSI_X919_MAC final : public MessageAuthenticationCode
20 {
21 public:
22 void clear() override;
23 std::string name() const override;
24 size_t output_length() const override { return 8; }
25
26 MessageAuthenticationCode* clone() const override;
27
28 Key_Length_Specification key_spec() const override
29 {
30 return Key_Length_Specification(8, 16, 8);
31 }
32
33 ANSI_X919_MAC();
34
35 ANSI_X919_MAC(const ANSI_X919_MAC&) = delete;
36 ANSI_X919_MAC& operator=(const ANSI_X919_MAC&) = delete;
37 private:
38 void add_data(const uint8_t[], size_t) override;
39 void final_result(uint8_t[]) override;
40 void key_schedule(const uint8_t[], size_t) override;
41
42 std::unique_ptr<BlockCipher> m_des1, m_des2;
43 secure_vector<uint8_t> m_state;
44 size_t m_position;
45 };
46
47 }
48
49 #endif
Botan::Key_Length_Specification
Definition: key_spec.h:18
Botan::MessageAuthenticationCode
Definition: mac.h:20
Botan::secure_vector
std::vector< T, secure_allocator< T >> secure_vector
Definition: secmem.h:121
Botan::ANSI_X919_MAC
Definition: x919_mac.h:19
Botan::ANSI_X919_MAC::output_length
size_t output_length() const override
Definition: x919_mac.h:24
Botan
Definition: alg_id.cpp:13
Botan::ANSI_X919_MAC::key_spec
Key_Length_Specification key_spec() const override
Definition: x919_mac.h:28