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/*************************************************
* Public Key Operations Header File *
* (C) 1999-2008 The Botan Project *
*************************************************/
#ifndef BOTAN_PK_OPS_H__
#define BOTAN_PK_OPS_H__
#include <botan/bigint.h>
#include <botan/dl_group.h>
namespace Botan {
/*************************************************
* IF Operation *
*************************************************/
class IF_Operation
{
public:
virtual BigInt public_op(const BigInt&) const = 0;
virtual BigInt private_op(const BigInt&) const = 0;
virtual IF_Operation* clone() const = 0;
virtual ~IF_Operation() {}
};
/*************************************************
* DSA Operation *
*************************************************/
class DSA_Operation
{
public:
virtual bool verify(const byte[], u32bit,
const byte[], u32bit) const = 0;
virtual SecureVector<byte> sign(const byte[], u32bit,
const BigInt&) const = 0;
virtual DSA_Operation* clone() const = 0;
virtual ~DSA_Operation() {}
};
/*************************************************
* NR Operation *
*************************************************/
class NR_Operation
{
public:
virtual SecureVector<byte> verify(const byte[], u32bit) const = 0;
virtual SecureVector<byte> sign(const byte[], u32bit,
const BigInt&) const = 0;
virtual NR_Operation* clone() const = 0;
virtual ~NR_Operation() {}
};
/*************************************************
* ElGamal Operation *
*************************************************/
class ELG_Operation
{
public:
virtual SecureVector<byte> encrypt(const byte[], u32bit,
const BigInt&) const = 0;
virtual BigInt decrypt(const BigInt&, const BigInt&) const = 0;
virtual ELG_Operation* clone() const = 0;
virtual ~ELG_Operation() {}
};
/*************************************************
* DH Operation *
*************************************************/
class DH_Operation
{
public:
virtual BigInt agree(const BigInt&) const = 0;
virtual DH_Operation* clone() const = 0;
virtual ~DH_Operation() {}
};
}
#endif
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