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99 lines
2.1 KiB
99 lines
2.1 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file EC.h
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* @author Alex Leverington <nessence@gmail.com>
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* @date 2014
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*
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* Shared EC classes and functions.
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*/
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#pragma once
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#include "CryptoPP.h"
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#include "Common.h"
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namespace dev
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{
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namespace crypto
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{
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/// ECDSA Signature
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using Signature = FixedHash<65>;
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/// Secret nonce from trusted key exchange.
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using Nonce = h256;
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/// Public key with nonce corresponding to trusted key exchange.
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typedef std::pair<Nonce,Public> PublicTrust;
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/// Recover public key from signature.
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//Public recover(Signature const& _sig, h256 _messageHash);
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/// Encrypts text (in place).
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void encrypt(Public const& _k, bytes& _text);
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/// Encrypt _text into _cipher.
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//void encrypt(Public const& _k, bytesConstRef& _text, bytesRef& _cipher);
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/// Decrypts text (in place).
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void decrypt(Secret const& _k, bytes& _text);
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class SecretKeyRef
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{
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public:
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/// Creates random secret
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SecretKeyRef();
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/// Creates from secret (move).
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SecretKeyRef(Secret _s): m_secret(_s) {}
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/// Retrieve the secret key.
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Secret sec() const { return m_secret; }
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/// Retrieve the public key.
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Public pub() const;
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/// Retrieve the associated address of the public key.
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Address address() const;
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private:
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Secret m_secret;
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};
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/**
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* @brief EC KeyPair
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* @deprecated
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*/
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class ECKeyPair
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{
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friend class ECDHETKeyExchange;
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public:
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static ECKeyPair create();
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private:
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ECKeyPair() {};
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std::map<Address,PublicTrust> m_trustEgress;
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std::set<Nonce> m_trustIngress;
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};
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}
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}
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