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/*
* ElGamal Core
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_ELGAMAL_CORE_H__
#define BOTAN_ELGAMAL_CORE_H__
#include <botan/elg_op.h>
#include <botan/blinding.h>
#include <botan/dl_group.h>
namespace Botan {
/*
* ElGamal Core
*/
class BOTAN_DLL ELG_Core
{
public:
SecureVector<byte> encrypt(const byte[], u32bit, const BigInt&) const;
SecureVector<byte> decrypt(const byte[], u32bit) const;
ELG_Core& operator=(const ELG_Core&);
ELG_Core() { op = 0; }
ELG_Core(const ELG_Core&);
ELG_Core(const DL_Group&, const BigInt&);
ELG_Core(RandomNumberGenerator&, const DL_Group&,
const BigInt&, const BigInt&);
~ELG_Core() { delete op; }
private:
ELG_Operation* op;
Blinder blinder;
u32bit p_bytes;
};
}
#endif
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