ECDHE.h

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/*
 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/>.
 */
#pragma once

#include "Common.h"

namespace dev
{
namespace crypto
{

class ECDHE
{
public:
        ECDHE(): m_ephemeral(KeyPair::create()) {};

        Public pubkey() { return m_ephemeral.pub(); }
        
        Secret seckey() { return m_ephemeral.secret(); }
        
        void agree(Public const& _remoteEphemeral, Secret& o_sharedSecret) const;
        
protected:
        KeyPair m_ephemeral;                                    
        mutable Public m_remoteEphemeral;               
};

}
}