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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 add_data(const byte input[], u32bit length);
void final_result(byte output[]);
/**
* Run the hash's compression function over a set of blocks
* @param blocks the input
* @param block_n the number of blocks
*/
virtual void compress_n(const byte blocks[], u32bit block_n) = 0;
void clear();
virtual void copy_out(byte[]) = 0;
virtual void write_count(byte[]);
private:
SecureVector<byte> buffer;
u64bit count;
u32bit position;
const bool BIG_BYTE_ENDIAN, BIG_BIT_ENDIAN;
const u32bit COUNT_SIZE;
};
}
#endif
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