# This file is part of the Trezor project. # # Copyright (C) 2012-2019 SatoshiLabs and contributors # # This library is free software: you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License version 3 # as published by the Free Software Foundation. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Lesser General Public License for more details. # # You should have received a copy of the License along with this library. # If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>. import pytest from mnemonic import Mnemonic from trezorlib import device, messages as proto from ..common import generate_entropy def reset_device(client, strength): # No PIN, no passphrase external_entropy = b"zlutoucky kun upel divoke ody" * 2 ret = client.call_raw( proto.ResetDevice( display_random=False, strength=strength, passphrase_protection=False, pin_protection=False, language="en-US", label="test", ) ) assert isinstance(ret, proto.ButtonRequest) client.debug.press_yes() ret = client.call_raw(proto.ButtonAck()) # Provide entropy assert isinstance(ret, proto.EntropyRequest) internal_entropy = client.debug.state().reset_entropy ret = client.call_raw(proto.EntropyAck(entropy=external_entropy)) # Generate mnemonic locally entropy = generate_entropy(strength, internal_entropy, external_entropy) expected_mnemonic = Mnemonic("english").to_mnemonic(entropy) mnemonic = [] for _ in range(strength // 32 * 3): assert isinstance(ret, proto.ButtonRequest) mnemonic.append(client.debug.read_reset_word()) client.debug.press_yes() client.call_raw(proto.ButtonAck()) mnemonic = " ".join(mnemonic) # Compare that device generated proper mnemonic for given entropies assert mnemonic == expected_mnemonic mnemonic = [] for _ in range(strength // 32 * 3): assert isinstance(ret, proto.ButtonRequest) mnemonic.append(client.debug.read_reset_word()) client.debug.press_yes() resp = client.call_raw(proto.ButtonAck()) assert isinstance(resp, proto.Success) mnemonic = " ".join(mnemonic) # Compare that second pass printed out the same mnemonic once again assert mnemonic == expected_mnemonic # Check if device is properly initialized resp = client.call_raw(proto.Initialize()) assert resp.initialized is True assert resp.needs_backup is False assert resp.pin_protection is False assert resp.passphrase_protection is False # Do pin & passphrase-protected action, PassphraseRequest should NOT be raised resp = client.call_raw(proto.GetAddress()) assert isinstance(resp, proto.Address) @pytest.mark.skip_t2 class TestMsgResetDevice: @pytest.mark.setup_client(uninitialized=True) def test_reset_device_128(self, client): reset_device(client, 128) @pytest.mark.setup_client(uninitialized=True) def test_reset_device_192(self, client): reset_device(client, 192) @pytest.mark.setup_client(uninitialized=True) def test_reset_device_256_pin(self, client): external_entropy = b"zlutoucky kun upel divoke ody" * 2 strength = 256 ret = client.call_raw( proto.ResetDevice( display_random=True, strength=strength, passphrase_protection=True, pin_protection=True, language="en-US", label="test", ) ) # Do you want ... ? assert isinstance(ret, proto.ButtonRequest) client.debug.press_yes() ret = client.call_raw(proto.ButtonAck()) # Entropy screen #1 assert isinstance(ret, proto.ButtonRequest) client.debug.press_yes() ret = client.call_raw(proto.ButtonAck()) # Entropy screen #2 assert isinstance(ret, proto.ButtonRequest) client.debug.press_yes() ret = client.call_raw(proto.ButtonAck()) assert isinstance(ret, proto.PinMatrixRequest) # Enter PIN for first time pin_encoded = client.debug.encode_pin("654") ret = client.call_raw(proto.PinMatrixAck(pin=pin_encoded)) assert isinstance(ret, proto.PinMatrixRequest) # Enter PIN for second time pin_encoded = client.debug.encode_pin("654") ret = client.call_raw(proto.PinMatrixAck(pin=pin_encoded)) # Provide entropy assert isinstance(ret, proto.EntropyRequest) internal_entropy = client.debug.state().reset_entropy ret = client.call_raw(proto.EntropyAck(entropy=external_entropy)) # Generate mnemonic locally entropy = generate_entropy(strength, internal_entropy, external_entropy) expected_mnemonic = Mnemonic("english").to_mnemonic(entropy) mnemonic = [] for _ in range(strength // 32 * 3): assert isinstance(ret, proto.ButtonRequest) mnemonic.append(client.debug.read_reset_word()) client.debug.press_yes() client.call_raw(proto.ButtonAck()) mnemonic = " ".join(mnemonic) # Compare that device generated proper mnemonic for given entropies assert mnemonic == expected_mnemonic mnemonic = [] for _ in range(strength // 32 * 3): assert isinstance(ret, proto.ButtonRequest) mnemonic.append(client.debug.read_reset_word()) client.debug.press_yes() resp = client.call_raw(proto.ButtonAck()) assert isinstance(resp, proto.Success) mnemonic = " ".join(mnemonic) # Compare that second pass printed out the same mnemonic once again assert mnemonic == expected_mnemonic # Check if device is properly initialized resp = client.call_raw(proto.Initialize()) assert resp.initialized is True assert resp.needs_backup is False assert resp.pin_protection is True assert resp.passphrase_protection is True # Do passphrase-protected action, PassphraseRequest should be raised resp = client.call_raw(proto.GetAddress()) assert isinstance(resp, proto.PassphraseRequest) client.call_raw(proto.Cancel()) @pytest.mark.setup_client(uninitialized=True) def test_failed_pin(self, client): # external_entropy = b'zlutoucky kun upel divoke ody' * 2 strength = 128 ret = client.call_raw( proto.ResetDevice( display_random=True, strength=strength, passphrase_protection=True, pin_protection=True, language="en-US", label="test", ) ) # Do you want ... ? assert isinstance(ret, proto.ButtonRequest) client.debug.press_yes() ret = client.call_raw(proto.ButtonAck()) # Entropy screen #1 assert isinstance(ret, proto.ButtonRequest) client.debug.press_yes() ret = client.call_raw(proto.ButtonAck()) # Entropy screen #2 assert isinstance(ret, proto.ButtonRequest) client.debug.press_yes() ret = client.call_raw(proto.ButtonAck()) assert isinstance(ret, proto.PinMatrixRequest) # Enter PIN for first time pin_encoded = client.debug.encode_pin("1234") ret = client.call_raw(proto.PinMatrixAck(pin=pin_encoded)) assert isinstance(ret, proto.PinMatrixRequest) # Enter PIN for second time pin_encoded = client.debug.encode_pin("6789") ret = client.call_raw(proto.PinMatrixAck(pin=pin_encoded)) assert isinstance(ret, proto.Failure) def test_already_initialized(self, client): with pytest.raises(Exception): device.reset(client, False, 128, True, True, "label", "en-US")