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/*************************************************
* ANSI X9.19 MAC Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_ANSI_X919_MAC_H__
#define BOTAN_ANSI_X919_MAC_H__
#include <botan/base.h>
namespace Botan {
/**
* DES/3DES-based MAC from ANSI X9.19
*/
class BOTAN_DLL ANSI_X919_MAC : public MessageAuthenticationCode
{
public:
void clear() throw();
std::string name() const;
MessageAuthenticationCode* clone() const;
ANSI_X919_MAC(BlockCipher*);
~ANSI_X919_MAC();
private:
void add_data(const byte[], u32bit);
void final_result(byte[]);
void key(const byte[], u32bit);
BlockCipher* e;
BlockCipher* d;
SecureBuffer<byte, 8> state;
u32bit position;
};
}
#endif
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