# 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 . from unittest import mock import pytest from mnemonic import Mnemonic from trezorlib import device, messages as proto from trezorlib.exceptions import TrezorFailure from trezorlib.messages import ButtonRequestType as B from ..common import ( MNEMONIC12, click_through, generate_entropy, read_and_confirm_mnemonic, ) EXTERNAL_ENTROPY = b"zlutoucky kun upel divoke ody" * 2 @pytest.mark.skip_t1 class TestMsgResetDeviceT2: @pytest.mark.setup_client(uninitialized=True, random_seed=0) def test_reset_device(self, client): mnemonic = None strength = 128 def input_flow(): nonlocal mnemonic # 1. Confirm Reset # 2. Backup your seed # 3. Confirm warning yield from click_through(client.debug, screens=3, code=B.ResetDevice) # mnemonic phrases btn_code = yield assert btn_code == B.ResetDevice mnemonic = read_and_confirm_mnemonic(client.debug, words=12) # confirm recovery seed check btn_code = yield assert btn_code == B.Success client.debug.press_yes() # confirm success btn_code = yield assert btn_code == B.Success client.debug.press_yes() os_urandom = mock.Mock(return_value=EXTERNAL_ENTROPY) with mock.patch("os.urandom", os_urandom), client: client.set_expected_responses( [ proto.ButtonRequest(code=B.ResetDevice), proto.EntropyRequest(), proto.ButtonRequest(code=B.ResetDevice), proto.ButtonRequest(code=B.ResetDevice), proto.ButtonRequest(code=B.ResetDevice), proto.ButtonRequest(code=B.Success), proto.ButtonRequest(code=B.Success), proto.Success(), proto.Features(), ] ) client.set_input_flow(input_flow) # No PIN, no passphrase, don't display random device.reset( client, display_random=False, strength=strength, passphrase_protection=False, pin_protection=False, label="test", language="en-US", ) # generate mnemonic locally internal_entropy = client.debug.state().reset_entropy entropy = generate_entropy(strength, internal_entropy, EXTERNAL_ENTROPY) expected_mnemonic = Mnemonic("english").to_mnemonic(entropy) # Compare that device generated proper mnemonic for given entropies 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 assert resp.backup_type is proto.BackupType.Bip39 # backup attempt fails because backup was done in reset with pytest.raises(TrezorFailure, match="ProcessError: Seed already backed up"): device.backup(client) @pytest.mark.setup_client(uninitialized=True, random_seed=0) def test_reset_device_pin(self, client): mnemonic = None strength = 128 def input_flow(): nonlocal mnemonic # Confirm Reset btn_code = yield assert btn_code == B.ResetDevice client.debug.press_yes() # Enter new PIN yield client.debug.input("654") # Confirm PIN yield client.debug.input("654") # Confirm entropy btn_code = yield assert btn_code == B.ResetDevice client.debug.press_yes() # Backup your seed btn_code = yield assert btn_code == B.ResetDevice client.debug.press_yes() # Confirm warning btn_code = yield assert btn_code == B.ResetDevice client.debug.press_yes() # mnemonic phrases btn_code = yield assert btn_code == B.ResetDevice mnemonic = read_and_confirm_mnemonic(client.debug, words=12) # confirm recovery seed check btn_code = yield assert btn_code == B.Success client.debug.press_yes() # confirm success btn_code = yield assert btn_code == B.Success client.debug.press_yes() os_urandom = mock.Mock(return_value=EXTERNAL_ENTROPY) with mock.patch("os.urandom", os_urandom), client: client.set_expected_responses( [ proto.ButtonRequest(code=B.ResetDevice), proto.ButtonRequest(code=B.Other), proto.ButtonRequest(code=B.Other), proto.ButtonRequest(code=B.ResetDevice), proto.EntropyRequest(), proto.ButtonRequest(code=B.ResetDevice), proto.ButtonRequest(code=B.ResetDevice), proto.ButtonRequest(code=B.ResetDevice), proto.ButtonRequest(code=B.Success), proto.ButtonRequest(code=B.Success), proto.Success(), proto.Features(), ] ) client.set_input_flow(input_flow) # PIN, passphrase, display random device.reset( client, display_random=True, strength=strength, passphrase_protection=True, pin_protection=True, label="test", language="en-US", ) # generate mnemonic locally internal_entropy = client.debug.state().reset_entropy entropy = generate_entropy(strength, internal_entropy, EXTERNAL_ENTROPY) expected_mnemonic = Mnemonic("english").to_mnemonic(entropy) # Compare that device generated proper mnemonic for given entropies 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 @pytest.mark.setup_client(uninitialized=True, random_seed=0) def test_failed_pin(self, client): # external_entropy = b'zlutoucky kun upel divoke ody' * 2 strength = 128 ret = client.call_raw( proto.ResetDevice(strength=strength, pin_protection=True, label="test") ) # Confirm Reset assert isinstance(ret, proto.ButtonRequest) client.debug.press_yes() ret = client.call_raw(proto.ButtonAck()) # Enter PIN for first time assert isinstance(ret, proto.ButtonRequest) client.debug.input("654") ret = client.call_raw(proto.ButtonAck()) # Enter PIN for second time assert isinstance(ret, proto.ButtonRequest) client.debug.input("456") ret = client.call_raw(proto.ButtonAck()) assert isinstance(ret, proto.ButtonRequest) @pytest.mark.setup_client(mnemonic=MNEMONIC12) def test_already_initialized(self, client): with pytest.raises(Exception): device.reset(client, False, 128, True, True, "label", "en-US")