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78 lines
2.4 KiB
78 lines
2.4 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 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 <libdevcore/FileSystem.h>
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#include "Common.h"
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namespace dev
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{
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enum class KDF {
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PBKDF2_SHA256,
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Scrypt,
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};
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class SecretStore
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{
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public:
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SecretStore(std::string const& _path = defaultPath());
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~SecretStore();
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bytes secret(h128 const& _uuid, std::function<std::string()> const& _pass, bool _useCache = true) const;
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h128 importKey(std::string const& _file) { auto ret = readKey(_file, false); if (ret) save(); return ret; }
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h128 importKeyContent(std::string const& _content) { auto ret = readKeyContent(_content, std::string()); if (ret) save(); return ret; }
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h128 importSecret(bytes const& _s, std::string const& _pass);
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bool recode(h128 const& _uuid, std::string const& _newPass, std::function<std::string()> const& _pass, KDF _kdf = KDF::Scrypt);
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void kill(h128 const& _uuid);
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std::vector<h128> keys() const { return keysOf(m_keys); }
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// Clear any cached keys.
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void clearCache() const;
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// Doesn't save().
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h128 readKey(std::string const& _file, bool _deleteFile);
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h128 readKeyContent(std::string const& _content, std::string const& _file = std::string());
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void save(std::string const& _keysPath);
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void save() { save(m_path); }
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static std::string defaultPath() { return getDataDir("web3") + "/keys"; }
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private:
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void load(std::string const& _keysPath);
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void load() { load(m_path); }
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static std::string encrypt(bytes const& _v, std::string const& _pass, KDF _kdf = KDF::Scrypt);
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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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std::string m_path;
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};
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}
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