C++ KeyPair类代码示例

KeyPair KeyManager::presaleSecret(std::string const& _json, function<string(bool)> const& _password)
{
	js::mValue val;
	json_spirit::read_string(_json, val);
	auto obj = val.get_obj();
	string p = _password(true);
	if (obj["encseed"].type() == js::str_type)
	{
		auto encseed = fromHex(obj["encseed"].get_str());
		KeyPair k;
		for (bool gotit = false; !gotit;)
		{
			gotit = true;
			k = KeyPair::fromEncryptedSeed(&encseed, p);
			if (obj["ethaddr"].type() == js::str_type)
			{
				Address a(obj["ethaddr"].get_str());
				Address b = k.address();
				if (a != b)
				{
					if ((p = _password(false)).empty())
						BOOST_THROW_EXCEPTION(PasswordUnknown());
					else
						gotit = false;
				}
			}
		}
		return k;
	}
	else
		BOOST_THROW_EXCEPTION(Exception() << errinfo_comment("encseed type is not js::str_type"));
}

void MixClient::resetState(std::map<Secret, u256> _accounts, Secret _miner)
{
	WriteGuard l(x_state);
	Guard fl(x_filtersWatches);
	m_filters.clear();
	m_watches.clear();

	m_stateDB = OverlayDB();
	SecureTrieDB<Address, MemoryDB> accountState(&m_stateDB);
	accountState.init();

	m_userAccounts.clear();
	std::map<Address, Account> genesisState;
	for (auto account: _accounts)
	{
		KeyPair a = KeyPair(account.first);
		m_userAccounts.push_back(a);
		genesisState.insert(std::make_pair(a.address(), Account(account.second, Account::NormalCreation)));
	}

	dev::eth::commit(genesisState, static_cast<MemoryDB&>(m_stateDB), accountState);
	h256 stateRoot = accountState.root();
	m_bc.reset();
	m_bc.reset(new MixBlockChain(m_dbPath, stateRoot));
	m_state = eth::State(m_stateDB, BaseState::PreExisting, KeyPair(_miner).address());
	m_state.sync(bc());
	m_startState = m_state;
	WriteGuard lx(x_executions);
	m_executions.clear();
}

std::string WebThreeStubServerBase::shh_newIdentity()
{
//	cnote << this << m_ids;
	KeyPair kp = KeyPair::create();
	m_ids[kp.pub()] = kp.secret();
	return toJS(kp.pub());
}

bool KeyPair::Encrypt(Ciphertext& out, Digest key) {
	KeyPair temp;
	temp.Keygen();
	memcpy(out, &temp.publicKey[1], sizeof(out));
	if (!ecdh_shared_secret(publicKey, temp.privateKey, key.Byte)) return false;
	blake2b(key, sizeof(key), 0, 0, key, sizeof(key));
	return true;
}

void NewAccount::create()
{
	QDialog d;
	Ui::NewAccount u;
	u.setupUi(&d);
	u.keysPath->setText(QString::fromStdString(getDataDir("web3/keys")));

	auto updateStatus = [&]()
	{
		bool useMaster = u.useMaster->isChecked();
		u.password->setEnabled(!useMaster);
		u.confirm->setEnabled(!useMaster);
		u.hint->setEnabled(!useMaster);
		u.status->setText("");
		bool ok = (useMaster || (!u.password->text().isEmpty() && u.password->text() == u.confirm->text()));
		if (!ok)
			u.status->setText("Passphrases must match");
		if (u.keyName->text().isEmpty())
		{
			ok = false;
			u.status->setText("Name must not be empty");
		}
		u.create->setEnabled(ok);
	};

	connect(u.useMaster, &QCheckBox::toggled, [&]() { updateStatus(); });
	connect(u.useOwn, &QCheckBox::toggled, [&]() { updateStatus(); });
	connect(u.password, &QLineEdit::textChanged, [&]() { updateStatus(); });
	connect(u.keyName, &QLineEdit::textChanged, [&]() { updateStatus(); });
	connect(u.confirm, &QLineEdit::textChanged, [&]() { updateStatus(); });

	updateStatus();
	if (d.exec() == QDialog::Accepted)
	{
		KeyManager::NewKeyType v = (KeyManager::NewKeyType)u.keyType->currentIndex();
		KeyPair p = KeyManager::newKeyPair(v);
		QString s = u.keyName->text();
		if (u.useMaster->isChecked())
			aleth()->keyManager().import(p.secret(), s.toStdString());
		else
		{
			std::string hint = u.hint->toPlainText().toStdString();
			std::string password = u.password->text().toStdString();
			aleth()->keyManager().import(p.secret(), s.toStdString(), password, hint);
		}

		aleth()->noteKeysChanged();
	}
}

	void endecryptTest()
	{
		const unsigned int bitLength = 128;
		KeyPair pair = RSA::makeKeyPair(bitLength);
		
		PublicKey pubKey = pair.getPublicKey();
		PrivateKey privKey = pair.getPrivateKey();

		RSA cipher(pubKey, privKey);
		MPInteger plaintext("12fbff45836b");
		MPInteger ciphertext = cipher.encrypt(plaintext);
		MPInteger decrypttext = cipher.decrypt(ciphertext);

		CPPUNIT_ASSERT(plaintext == decrypttext);
	}

NodeTable::NodeTable(ba::io_service& _io, KeyPair _alias, uint16_t _udp):
	m_node(Node(_alias.pub(), bi::udp::endpoint())),
	m_secret(_alias.sec()),
	m_io(_io),
	m_socket(new NodeSocket(m_io, *this, _udp)),
	m_socketPointer(m_socket.get()),
	m_bucketRefreshTimer(m_io),
	m_evictionCheckTimer(m_io)
{
	for (unsigned i = 0; i < s_bins; i++)
	{
		m_state[i].distance = i;
		m_state[i].modified = chrono::steady_clock::now() - chrono::seconds(1);
	}
	
	m_socketPointer->connect();
	doRefreshBuckets(boost::system::error_code());
}

int stateTest()
{
	KeyPair me = sha3("Gav Wood");
	KeyPair myMiner = sha3("Gav's Miner");
//	KeyPair you = sha3("123");

	Defaults::setDBPath("/tmp");

	Overlay stateDB = State::openDB();
	BlockChain bc;
	State s(myMiner.address(), stateDB);

	cout << bc;

	// Sync up - this won't do much until we use the last state.
	s.sync(bc);

	cout << s;

	// Mine to get some ether!
	s.commitToMine(bc);
	while (s.mine(100).completed) {}
	bc.attemptImport(s.blockData(), stateDB);

	cout << bc;

	s.sync(bc);

	cout << s;

	// Inject a transaction to transfer funds from miner to me.
	bytes tx;
	{
		Transaction t;
		t.nonce = s.transactionsFrom(myMiner.address());
		t.value = 1000;			// 1e3 wei.
		t.receiveAddress = me.address();
		t.sign(myMiner.secret());
		assert(t.sender() == myMiner.address());
		tx = t.rlp();
	}
	s.execute(tx);

	cout << s;

	// Mine to get some ether and set in stone.
	s.commitToMine(bc);
	while (s.mine(100).completed) {}
	bc.attemptImport(s.blockData(), stateDB);

	cout << bc;

	s.sync(bc);

	cout << s;

	return 0;
}

int main()
{
	KeyPair u = KeyPair::create();
	KeyPair cb = KeyPair::create();
	OverlayDB db;
	State s(cb.address(), db, BaseState::Empty);
	cnote << s.rootHash();
	s.addBalance(u.address(), 1 * ether);
	Address c = s.newContract(1000 * ether, compileLLL("(suicide (caller))"));
	s.commit();
	State before = s;
	cnote << "State before transaction: " << before;
	Transaction t(0, 10000, 10000, c, bytes(), 0, u.secret());
	cnote << "Transaction: " << t;
	cnote << s.balance(c);
	s.execute(LastHashes(), t.rlp());
	cnote << "State after transaction: " << s;
	cnote << before.diff(s);
}

NodeTable::NodeTable(ba::io_service& _io, KeyPair const& _alias, NodeIPEndpoint const& _endpoint, bool _enabled):
	m_node(Node(_alias.pub(), _endpoint)),
	m_secret(_alias.sec()),
	m_socket(new NodeSocket(_io, *this, (bi::udp::endpoint)m_node.endpoint)),
	m_socketPointer(m_socket.get()),
	m_timers(_io)
{
	for (unsigned i = 0; i < s_bins; i++)
		m_state[i].distance = i;
	
	if (!_enabled)
		return;
	
	try
	{
		m_socketPointer->connect();
		doDiscovery();
	}
	catch (std::exception const& _e)
	{
		clog(NetWarn) << "Exception connecting NodeTable socket: " << _e.what();
		clog(NetWarn) << "Discovery disabled.";
	}
}

	void keyCreateTest()
	{
		const unsigned int bitLength = 256;
		KeyPair pair = RSA::makeKeyPair(bitLength);
		
		CPPUNIT_ASSERT(
			pair.getPublicKey().getEncryptExponent().getBitLength() == 17);
		CPPUNIT_ASSERT(
			pair.getPublicKey().getModulus() ==
			pair.getPrivateKey().getModulus());
		
		PublicKey pubKey = pair.getPublicKey();
		PrivateKey privKey = pair.getPrivateKey();
	}

string WebThreeStubServerBase::shh_newIdentity()
{
	KeyPair kp = KeyPair::create();
	m_shhIds[kp.pub()] = kp.secret();
	return toJS(kp.pub());
}

bool AccountManager::execute(int argc, char** argv)
{
	if (string(argv[1]) == "wallet")
	{
		if (3 < argc && string(argv[2]) == "import")
		{
			if (!openWallet())
				return false;
			string file = argv[3];
			string name = "presale wallet";
			string pw;
			KeyPair k;
			try
			{
				k = m_keyManager->presaleSecret(
					contentsString(file),
					[&](bool){ return (pw = getPassword("Enter the passphrase for the presale key: "));}
				);
			}
			catch (Exception const& _e)
			{
				if (auto err = boost::get_error_info<errinfo_comment>(_e))
					cout << "  Decryption failed: " << *err << endl;
				else
					cout << "  Decryption failed: Unknown reason." << endl;
				return false;
			}
			m_keyManager->import(k.secret(), name, pw, "Same passphrase as used for presale key");
			cout << "  Address: {" << k.address().hex() << "}" << endl;
		}
		else
			streamWalletHelp(cout);
		return true;
	}
	else if (string(argv[1]) == "account")
	{
		if (argc < 3 || string(argv[2]) == "list")
		{
			openWallet();
			if (m_keyManager->store().keys().empty())
				cout << "No keys found." << endl;
			else
			{
				vector<u128> bare;
				AddressHash got;
				int k = 0;
				for (auto const& u: m_keyManager->store().keys())
				{
					if (Address a = m_keyManager->address(u))
					{
						got.insert(a);
						cout << "Account #" << k << ": {" << a.hex() << "}" << endl;
						k++;
					}
					else
						bare.push_back(u);
				}
				for (auto const& a: m_keyManager->accounts())
					if (!got.count(a))
					{
						cout << "Account #" << k << ": {" << a.hex() << "}" << " (Brain)" << endl;
						k++;
					}
				for (auto const& u: bare)
				{
					cout << "Account #" << k << ": " << toUUID(u) << " (Bare)" << endl;
					k++;
				}
			}
		}
		else if (2 < argc && string(argv[2]) == "new")
		{
			openWallet();
			string name;
			string lock;
			string lockHint;
			lock = createPassword("Enter a passphrase with which to secure this account:");
			auto k = makeKey();
			h128 u = m_keyManager->import(k.secret(), name, lock, lockHint);
			cout << "Created key " << toUUID(u) << endl;
			cout << "  ICAP: " << ICAP(k.address()).encoded() << endl;
			cout << "  Address: {" << k.address().hex() << "}" << endl;
		}
		else if (3 < argc && string(argv[2]) == "import")
		{
			openWallet();
			h128 u = m_keyManager->store().importKey(argv[3]);
			if (!u)
			{
				cerr << "Error: reading key file failed" << endl;
				return false;
			}
			string pw;
			bytesSec s = m_keyManager->store().secret(u, [&](){ return (pw = getPassword("Enter the passphrase for the key: ")); });
			if (s.empty())
			{
				cerr << "Error: couldn't decode key or invalid secret size." << endl;
				return false;
			}
			else
//.........这里部分代码省略.........

int main(int argc, char** argv)
{
	unsigned short listenPort = 30303;
	string remoteHost;
	unsigned short remotePort = 30303;
	string dbPath;
	bool mining = false;
	unsigned peers = 5;
#if ETH_JSONRPC
	int jsonrpc = 8080;
#endif
	string publicIP;
	bool upnp = true;
	string clientName;

	// Init defaults
	Defaults::get();

	// Our address.
	KeyPair us = KeyPair::create();
	Address coinbase = us.address();

	string configFile = getDataDir() + "/config.rlp";
	bytes b = contents(configFile);
	if (b.size())
	{
		RLP config(b);
		us = KeyPair(config[0].toHash<Secret>());
		coinbase = config[1].toHash<Address>();
	}
	else
	{
		RLPStream config(2);
		config << us.secret() << coinbase;
		writeFile(configFile, config.out());
	}

	for (int i = 1; i < argc; ++i)
	{
		string arg = argv[i];
		if ((arg == "-l" || arg == "--listen" || arg == "--listen-port") && i + 1 < argc)
			listenPort = (short)atoi(argv[++i]);
		else if ((arg == "-u" || arg == "--public-ip" || arg == "--public") && i + 1 < argc)
			publicIP = argv[++i];
		else if ((arg == "-r" || arg == "--remote") && i + 1 < argc)
			remoteHost = argv[++i];
		else if ((arg == "-p" || arg == "--port") && i + 1 < argc)
			remotePort = (short)atoi(argv[++i]);
		else if ((arg == "-n" || arg == "--upnp") && i + 1 < argc)
		{
			string m = argv[++i];
			if (isTrue(m))
				upnp = true;
			else if (isFalse(m))
				upnp = false;
			else
			{
				cerr << "Invalid UPnP option: " << m << endl;
				return -1;
			}
		}
		else if ((arg == "-c" || arg == "--client-name") && i + 1 < argc)
			clientName = argv[++i];
		else if ((arg == "-a" || arg == "--address" || arg == "--coinbase-address") && i + 1 < argc)
			coinbase = h160(fromHex(argv[++i]));
		else if ((arg == "-s" || arg == "--secret") && i + 1 < argc)
			us = KeyPair(h256(fromHex(argv[++i])));
		else if ((arg == "-d" || arg == "--path" || arg == "--db-path") && i + 1 < argc)
			dbPath = argv[++i];
		else if ((arg == "-m" || arg == "--mining") && i + 1 < argc)
		{
			string m = argv[++i];
			if (isTrue(m))
				mining = true;
			else if (isFalse(m))
				mining = false;
			else
			{
				cerr << "Unknown mining option: " << m << endl;
			}
		}
#if ETH_JSONRPC
		else if ((arg == "-j" || arg == "--json-rpc"))
			jsonrpc = jsonrpc ? jsonrpc : 8080;
		else if (arg == "--json-rpc-port" && i + 1 < argc)
			jsonrpc = atoi(argv[++i]);
#endif
		else if ((arg == "-v" || arg == "--verbosity") && i + 1 < argc)
			g_logVerbosity = atoi(argv[++i]);
		else if ((arg == "-x" || arg == "--peers") && i + 1 < argc)
			peers = atoi(argv[++i]);
		else if (arg == "-h" || arg == "--help")
			help();
		else if (arg == "-V" || arg == "--version")
			version();
		else
			remoteHost = argv[i];
	}

	if (!clientName.empty())
//.........这里部分代码省略.........

void Main::on_create_clicked()
{
	KeyPair p = KeyPair::create();
	QString s = QString::fromStdString("The new secret key is:\n" + asHex(p.secret().asArray()) + "\n\nAddress:\n" + asHex(p.address().asArray()));
	QMessageBox::information(this, "Create Key", s, QMessageBox::Ok);
}