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/*************************************************
* PK Algorithm Core Header File *
* (C) 1999-2007 The Botan Project *
*************************************************/
#ifndef BOTAN_PK_CORE_H__
#define BOTAN_PK_CORE_H__
#include <botan/bigint.h>
#include <botan/dl_group.h>
#include <botan/blinding.h>
#include <botan/pk_ops.h>
namespace Botan {
/*************************************************
* IF Core *
*************************************************/
class IF_Core
{
public:
BigInt public_op(const BigInt&) const;
BigInt private_op(const BigInt&) const;
IF_Core& operator=(const IF_Core&);
IF_Core() { op = 0; }
IF_Core(const IF_Core&);
IF_Core(const BigInt&, const BigInt&,
const BigInt& = 0, const BigInt& = 0, const BigInt& = 0,
const BigInt& = 0, const BigInt& = 0, const BigInt& = 0);
~IF_Core() { delete op; }
private:
IF_Operation* op;
Blinder blinder;
};
/*************************************************
* DSA Core *
*************************************************/
class DSA_Core
{
public:
SecureVector<byte> sign(const byte[], u32bit, const BigInt&) const;
bool verify(const byte[], u32bit, const byte[], u32bit) const;
DSA_Core& operator=(const DSA_Core&);
DSA_Core() { op = 0; }
DSA_Core(const DSA_Core&);
DSA_Core(const DL_Group&, const BigInt&, const BigInt& = 0);
~DSA_Core() { delete op; }
private:
DSA_Operation* op;
};
/*************************************************
* NR Core *
*************************************************/
class NR_Core
{
public:
SecureVector<byte> sign(const byte[], u32bit, const BigInt&) const;
SecureVector<byte> verify(const byte[], u32bit) const;
NR_Core& operator=(const NR_Core&);
NR_Core() { op = 0; }
NR_Core(const NR_Core&);
NR_Core(const DL_Group&, const BigInt&, const BigInt& = 0);
~NR_Core() { delete op; }
private:
NR_Operation* op;
};
/*************************************************
* ElGamal Core *
*************************************************/
class 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&, const BigInt& = 0);
~ELG_Core() { delete op; }
private:
ELG_Operation* op;
Blinder blinder;
u32bit p_bytes;
};
/*************************************************
* DH Core *
*************************************************/
class DH_Core
{
public:
BigInt agree(const BigInt&) const;
DH_Core& operator=(const DH_Core&);
DH_Core() { op = 0; }
DH_Core(const DH_Core&);
DH_Core(const DL_Group&, const BigInt&);
~DH_Core() { delete op; }
private:
DH_Operation* op;
Blinder blinder;
};
}
#endif
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