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62 lines
1.7 KiB
62 lines
1.7 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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* ECDSA, ECIES
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*/
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#pragma once
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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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void toPublic(Secret const& _s, Public& o_public);
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h256 kdf(Secret const& _priv, h256 const& _hash);
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/// Encrypts text (in place).
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void encrypt(Public const& _k, bytes& io_cipher);
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/// Decrypts text (in place).
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void decrypt(Secret const& _k, bytes& io_text);
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/// Returns siganture of message.
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Signature sign(Secret const& _k, bytesConstRef _message);
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/// Returns compact siganture of message hash.
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Signature sign(Secret const& _k, h256 const& _hash);
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/// Verify compact signature (public key is extracted from message).
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bool verify(Signature const& _signature, bytesConstRef _message);
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/// Verify signature.
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bool verify(Public const& _p, Signature const& _sig, bytesConstRef _message, bool _hashed = false);
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/// Recovers public key from compact signature. Uses libsecp256k1.
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Public recover(Signature _signature, bytesConstRef _message);
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bool verifySecret(Secret const& _s, Public const& _p);
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}
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}
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