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/**
* MDx Hash Function
* (C) 1999-2008 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_MDX_BASE_H__
#define BOTAN_MDX_BASE_H__
#include <botan/hash.h>
namespace Botan {
/**
* MDx Hash Function Base Class
*/
class BOTAN_DLL MDx_HashFunction : public HashFunction
{
public:
MDx_HashFunction(u32bit, u32bit, bool, bool, u32bit = 8);
virtual ~MDx_HashFunction() {}
protected:
void clear() throw();
SecureVector<byte> buffer;
u64bit count;
u32bit position;
private:
void add_data(const byte[], u32bit);
void final_result(byte output[]);
// these are mutually recurisve unless one is overridden
// (backwards compatability hack)
virtual void compress_n(const byte block[], u32bit block_n) = 0;
//virtual void hash(const byte[]);
virtual void copy_out(byte[]) = 0;
virtual void write_count(byte[]);
const bool BIG_BYTE_ENDIAN, BIG_BIT_ENDIAN;
const u32bit COUNT_SIZE;
};
}
#endif
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