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/*************************************************
* Bzip Compressor Header File *
* (C) 1999-2008 The Botan Project *
*************************************************/
#ifndef BOTAN_EXT_BZIP2_H__
#define BOTAN_EXT_BZIP2_H__
#include <botan/filter.h>
namespace Botan {
/*************************************************
* Bzip Compression Filter *
*************************************************/
class Bzip_Compression : public Filter
{
public:
void write(const byte input[], u32bit length);
void start_msg();
void end_msg();
void flush();
Bzip_Compression(u32bit = 9);
~Bzip_Compression() { clear(); }
private:
void clear();
const u32bit level;
SecureVector<byte> buffer;
class Bzip_Stream* bz;
};
/*************************************************
* Bzip Decompression Filter *
*************************************************/
class Bzip_Decompression : public Filter
{
public:
void write(const byte input[], u32bit length);
void start_msg();
void end_msg();
Bzip_Decompression(bool = false);
~Bzip_Decompression() { clear(); }
private:
void clear();
const bool small_mem;
SecureVector<byte> buffer;
class Bzip_Stream* bz;
bool no_writes;
};
}
#endif
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