CryptoPP.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
{
static const unsigned c_eciesOverhead = 113;

class Secp256k1PP
{       
public:
        static Secp256k1PP* get();

        void encrypt(Public const& _k, bytes& io_cipher);
        
        void decrypt(Secret const& _k, bytes& io_text);
        
        void encryptECIES(Public const& _k, bytes& io_cipher);
        
        void encryptECIES(Public const& _k, bytesConstRef _sharedMacData, bytes& io_cipher);
        
        bool decryptECIES(Secret const& _k, bytes& io_text);
        
        bool decryptECIES(Secret const& _k, bytesConstRef _sharedMacData, bytes& io_text);
        
        bytes eciesKDF(Secret const& _z, bytes _s1, unsigned kdBitLen = 256);

private:
        Secp256k1PP() = default;
};

}
}