Botan  2.17.3
Crypto and TLS for C++11
x919_mac.h
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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 
15 
16 namespace Botan {
17 
18 /**
19 * DES/3DES-based MAC from ANSI X9.19
20 */
22  {
23  public:
24  void clear() override;
25  std::string name() const override;
26  size_t output_length() const override { return 8; }
27 
28  MessageAuthenticationCode* clone() const override;
29 
31  {
32  return Key_Length_Specification(8, 16, 8);
33  }
34 
35  ANSI_X919_MAC();
36 
37  ANSI_X919_MAC(const ANSI_X919_MAC&) = delete;
38  ANSI_X919_MAC& operator=(const ANSI_X919_MAC&) = delete;
39  private:
40  void add_data(const uint8_t[], size_t) override;
41  void final_result(uint8_t[]) override;
42  void key_schedule(const uint8_t[], size_t) override;
43 
44  std::unique_ptr<BlockCipher> m_des1, m_des2;
45  secure_vector<uint8_t> m_state;
46  size_t m_position;
47  };
48 
49 }
50 
51 #endif
int(* final)(unsigned char *, CTX *)
#define BOTAN_PUBLIC_API(maj, min)
Definition: compiler.h:31
virtual std::string name() const =0
size_t output_length() const override
Definition: x919_mac.h:26
virtual void clear()=0
Definition: alg_id.cpp:13
Key_Length_Specification key_spec() const override
Definition: x919_mac.h:30
virtual MessageAuthenticationCode * clone() const =0
std::vector< T, secure_allocator< T > > secure_vector
Definition: secmem.h:65
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
Definition: compiler.h:136