98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
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// Copyright (c) 2012-2014, The CryptoNote developers, The Bytecoin developers
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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//
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// Bytecoin 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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#include "LegacyKeysImporter.h"
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#include <vector>
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#include <system_error>
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#include "cryptonote_core/Currency.h"
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#include "cryptonote_core/account.h"
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#include "cryptonote_core/AccountKVSerialization.h"
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#include "file_io_utils.h"
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#include "serialization/binary_utils.h"
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#include "storages/portable_storage.h"
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#include "storages/portable_storage_template_helper.h"
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#include "wallet/wallet_errors.h"
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#include "wallet/WalletSerializer.h"
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#include "wallet/WalletUserTransactionsCache.h"
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#include "wallet/WalletErrors.h"
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namespace {
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struct keys_file_data {
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crypto::chacha8_iv iv;
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std::string account_data;
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BEGIN_SERIALIZE_OBJECT()
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FIELD(iv)
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FIELD(account_data)
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END_SERIALIZE()
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};
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bool verify_keys(const crypto::secret_key& sec, const crypto::public_key& expected_pub) {
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crypto::public_key pub;
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bool r = crypto::secret_key_to_public_key(sec, pub);
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return r && expected_pub == pub;
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}
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void loadKeysFromFile(const std::string& filename, const std::string& password, cryptonote::account_base& account) {
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keys_file_data keys_file_data;
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std::string buf;
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bool r = epee::file_io_utils::load_file_to_string(filename, buf);
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THROW_WALLET_EXCEPTION_IF(!r, tools::error::file_read_error, filename);
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r = ::serialization::parse_binary(buf, keys_file_data);
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THROW_WALLET_EXCEPTION_IF(!r, tools::error::wallet_internal_error, "internal error: failed to deserialize \"" + filename + '\"');
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crypto::chacha8_key key;
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crypto::cn_context cn_context;
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crypto::generate_chacha8_key(cn_context, password, key);
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std::string account_data;
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account_data.resize(keys_file_data.account_data.size());
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crypto::chacha8(keys_file_data.account_data.data(), keys_file_data.account_data.size(), key, keys_file_data.iv, &account_data[0]);
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const ::cryptonote::account_keys& keys = account.get_keys();
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cryptonote::AccountBaseSerializer<false> accountSerializer(account);
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r = epee::serialization::load_t_from_binary(accountSerializer, account_data);
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r = r && verify_keys(keys.m_view_secret_key, keys.m_account_address.m_viewPublicKey);
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r = r && verify_keys(keys.m_spend_secret_key, keys.m_account_address.m_spendPublicKey);
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THROW_WALLET_EXCEPTION_IF(!r, tools::error::invalid_password);
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}
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}
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namespace cryptonote {
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void importLegacyKeys(const std::string& legacyKeysFilename, const std::string& password, std::ostream& destination) {
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cryptonote::account_base account;
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try {
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loadKeysFromFile(legacyKeysFilename, password, account);
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} catch (tools::error::invalid_password&) {
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throw std::system_error(make_error_code(cryptonote::error::WRONG_PASSWORD));
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}
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CryptoNote::WalletUserTransactionsCache transactionsCache;
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std::string cache;
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CryptoNote::WalletSerializer importer(account, transactionsCache);
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importer.serialize(destination, password, false, cache);
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}
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} //namespace cryptonote
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