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/*
* PK Filters
* (C) 1999-2009 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_PK_FILTERS_H__
#define BOTAN_PK_FILTERS_H__
#include <botan/filter.h>
#include <botan/pubkey.h>
namespace Botan {
/*
* PK_Encryptor Filter
*/
class BOTAN_DLL PK_Encryptor_Filter : public Filter
{
public:
void write(const byte[], u32bit);
void end_msg();
PK_Encryptor_Filter(PK_Encryptor* c,
RandomNumberGenerator& rng_ref) :
cipher(c), rng(rng_ref) {}
~PK_Encryptor_Filter() { delete cipher; }
private:
PK_Encryptor* cipher;
RandomNumberGenerator& rng;
SecureVector<byte> buffer;
};
/*
* PK_Decryptor Filter
*/
class BOTAN_DLL PK_Decryptor_Filter : public Filter
{
public:
void write(const byte[], u32bit);
void end_msg();
PK_Decryptor_Filter(PK_Decryptor* c) : cipher(c) {}
~PK_Decryptor_Filter() { delete cipher; }
private:
PK_Decryptor* cipher;
SecureVector<byte> buffer;
};
/*
* PK_Signer Filter
*/
class BOTAN_DLL PK_Signer_Filter : public Filter
{
public:
void write(const byte[], u32bit);
void end_msg();
PK_Signer_Filter(PK_Signer* s,
RandomNumberGenerator& rng_ref) :
signer(s), rng(rng_ref) {}
~PK_Signer_Filter() { delete signer; }
private:
PK_Signer* signer;
RandomNumberGenerator& rng;
};
/*
* PK_Verifier Filter
*/
class BOTAN_DLL PK_Verifier_Filter : public Filter
{
public:
void write(const byte[], u32bit);
void end_msg();
void set_signature(const byte[], u32bit);
void set_signature(const MemoryRegion<byte>&);
PK_Verifier_Filter(PK_Verifier* v) : verifier(v) {}
PK_Verifier_Filter(PK_Verifier*, const byte[], u32bit);
PK_Verifier_Filter(PK_Verifier*, const MemoryRegion<byte>&);
~PK_Verifier_Filter() { delete verifier; }
private:
PK_Verifier* verifier;
SecureVector<byte> signature;
};
}
#endif
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