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/*************************************************
* Basic Filters Header File *
* (C) 1999-2007 The Botan Project *
*************************************************/
#ifndef BOTAN_BASEFILT_H__
#define BOTAN_BASEFILT_H__
#include <botan/filter.h>
namespace Botan {
/*************************************************
* Chain *
*************************************************/
class Chain : public Fanout_Filter
{
public:
void write(const byte input[], u32bit length) { send(input, length); }
Chain(Filter* = 0, Filter* = 0, Filter* = 0, Filter* = 0);
Chain(Filter*[], u32bit);
};
/*************************************************
* Fork *
*************************************************/
class Fork : public Fanout_Filter
{
public:
void write(const byte input[], u32bit length) { send(input, length); }
void set_port(u32bit n) { Fanout_Filter::set_port(n); }
Fork(Filter*, Filter*, Filter* = 0, Filter* = 0);
Fork(Filter*[], u32bit);
};
/*************************************************
* Keyed Filter *
*************************************************/
class Keyed_Filter : public Filter
{
public:
virtual void set_key(const SymmetricKey&);
virtual void set_iv(const InitializationVector&) {}
virtual bool valid_keylength(u32bit) const;
Keyed_Filter() { base_ptr = 0; }
protected:
SymmetricAlgorithm* base_ptr;
};
}
#endif
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