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/*
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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 SecretStore.h
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*/
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#pragma once
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#include <functional>
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#include <mutex>
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#include <libdevcore/FixedHash.h>
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#include "Common.h"
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#include "FileSystem.h"
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namespace dev
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{
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class SecretStore
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{
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public:
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SecretStore();
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~SecretStore();
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bytes secret(h128 const& _uuid, std::function<std::string()> const& _pass) const;
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h128 importSecret(bytes const& _s, std::string const& _pass);
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void kill(h128 const& _uuid);
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// Clear any cached keys.
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void clearCache() const;
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private:
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void save(std::string const& _keysPath = getDataDir("web3") + "/keys");
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void load(std::string const& _keysPath = getDataDir("web3") + "/keys");
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static std::string encrypt(bytes const& _v, std::string const& _pass);
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static bytes decrypt(std::string const& _v, std::string const& _pass);
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mutable std::unordered_map<h128, bytes> m_cached;
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std::unordered_map<h128, std::pair<std::string, std::string>> m_keys;
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};
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}
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