/*
 This file is part of cpp-ethereum.
 
 cpp-ethereum is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
 
 cpp-ethereum is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
 */
/** @file CryptoPP.h
 * @author Alex Leverington <nessence@gmail.com>
 * @date 2014
 *
 * CryptoPP wrappers
 */

#pragma once

#include "Common.h"
#include "CryptoHeaders.h"

namespace dev
{
namespace crypto
{

namespace pp
// cryptopp wrappers
{
/// RNG used by CryptoPP
inline CryptoPP::AutoSeededRandomPool& PRNG() { static CryptoPP::AutoSeededRandomPool prng; return prng; }

/// EC curve used by CryptoPP
inline CryptoPP::OID const& secp256k1() { static CryptoPP::OID curve = CryptoPP::ASN1::secp256k1(); return curve; }

Public exportPublicKey(CryptoPP::DL_PublicKey_EC<CryptoPP::ECP> const& _k);
	
/**
 * @brief CryptoPP-specific EC keypair
 */
class ECKeyPair
{
public:
	/// Export address
	Address const& address() const { return m_address; }
	
	/// Export Public key
	Public const& publicKey() const { return m_public; }
	
protected:
	ECKeyPair();
	
	CryptoPP::ECIES<CryptoPP::ECP>::Decryptor m_decryptor;
	
	Address m_address;
	Public m_public;
};
}
}
}