Botan 2.1.0 Crypto and TLS for C++11

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cbc_mac.h
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1 /*
2 * CBC-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_CBC_MAC_H__
9 #define BOTAN_CBC_MAC_H__
10
11 #include <botan/mac.h>
12 #include <botan/block_cipher.h>
13
14 namespace Botan {
15
16 /**
17 * CBC-MAC
18 */
19 class BOTAN_DLL CBC_MAC final : public MessageAuthenticationCode
20 {
21 public:
22 std::string name() const override;
23 MessageAuthenticationCode* clone() const override;
24 size_t output_length() const override { return m_cipher->block_size(); }
25 void clear() override;
26
27 Key_Length_Specification key_spec() const override
28 {
29 return m_cipher->key_spec();
30 }
31
32 /**
33 * @param cipher the block cipher to use
34 */
35 explicit CBC_MAC(BlockCipher* cipher);
36 private:
37 void add_data(const uint8_t[], size_t) override;
38 void final_result(uint8_t[]) override;
39 void key_schedule(const uint8_t[], size_t) override;
40
41 std::unique_ptr<BlockCipher> m_cipher;
42 secure_vector<uint8_t> m_state;
43 size_t m_position = 0;
44 };
45
46 }
47
48 #endif
Botan::CBC_MAC
Definition: cbc_mac.h:19
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
Definition: alg_id.cpp:13
Botan::CBC_MAC::key_spec
Key_Length_Specification key_spec() const override
Definition: cbc_mac.h:27
Botan::CBC_MAC::output_length
size_t output_length() const override
Definition: cbc_mac.h:24
Botan::BlockCipher
Definition: block_cipher.h:19