diff options
Diffstat (limited to 'src/lib/mac/cbc_mac/cbc_mac.h')
-rw-r--r-- | src/lib/mac/cbc_mac/cbc_mac.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/lib/mac/cbc_mac/cbc_mac.h b/src/lib/mac/cbc_mac/cbc_mac.h new file mode 100644 index 000000000..be25718d9 --- /dev/null +++ b/src/lib/mac/cbc_mac/cbc_mac.h @@ -0,0 +1,49 @@ +/* +* CBC-MAC +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_CBC_MAC_H__ +#define BOTAN_CBC_MAC_H__ + +#include <botan/mac.h> +#include <botan/block_cipher.h> + +namespace Botan { + +/** +* CBC-MAC +*/ +class BOTAN_DLL CBC_MAC : public MessageAuthenticationCode + { + public: + std::string name() const; + MessageAuthenticationCode* clone() const; + size_t output_length() const { return e->block_size(); } + void clear(); + + Key_Length_Specification key_spec() const + { + return e->key_spec(); + } + + /** + * @param cipher the underlying block cipher to use + */ + CBC_MAC(BlockCipher* cipher); + ~CBC_MAC(); + private: + void add_data(const byte[], size_t); + void final_result(byte[]); + void key_schedule(const byte[], size_t); + + BlockCipher* e; + secure_vector<byte> state; + size_t position; + }; + +} + +#endif |