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trezor-firmware/tests/device_tests/test_msg_resetdevice_t2.py
2019-08-12 12:57:25 +02:00

256 lines
8.8 KiB
Python

# 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>.
from unittest import mock
import pytest
from mnemonic import Mnemonic
from trezorlib import device, messages as proto
from trezorlib.messages import ButtonRequestType as B
from .common import TrezorTest, generate_entropy
EXTERNAL_ENTROPY = b"zlutoucky kun upel divoke ody" * 2
@pytest.mark.skip_t1
class TestMsgResetDeviceT2(TrezorTest):
def test_reset_device(self):
words = []
strength = 128
def input_flow():
# Confirm Reset
btn_code = yield
assert btn_code == B.ResetDevice
self.client.debug.press_yes()
# Backup your seed
btn_code = yield
assert btn_code == B.ResetDevice
self.client.debug.press_yes()
# Confirm warning
btn_code = yield
assert btn_code == B.ResetDevice
self.client.debug.press_yes()
# mnemonic phrases
btn_code = yield
assert btn_code == B.ResetDevice
# 12 words, 3 pages
for i in range(3):
words.extend(self.client.debug.read_reset_word().split())
if i < 2:
self.client.debug.swipe_down()
else:
# last page is confirmation
self.client.debug.press_yes()
# check backup words
for _ in range(3):
index = self.client.debug.read_reset_word_pos()
self.client.debug.input(words[index])
# confirm recovery seed check
btn_code = yield
assert btn_code == B.Success
self.client.debug.press_yes()
# confirm success
btn_code = yield
assert btn_code == B.Success
self.client.debug.press_yes()
os_urandom = mock.Mock(return_value=EXTERNAL_ENTROPY)
with mock.patch("os.urandom", os_urandom), self.client:
self.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(),
]
)
self.client.set_input_flow(input_flow)
# No PIN, no passphrase, don't display random
device.reset(
self.client,
display_random=False,
strength=strength,
passphrase_protection=False,
pin_protection=False,
label="test",
language="english",
)
# generate mnemonic locally
internal_entropy = self.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 " ".join(words) == expected_mnemonic
# Check if device is properly initialized
resp = self.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
def test_reset_device_pin(self):
words = []
strength = 128
def input_flow():
# Confirm Reset
btn_code = yield
assert btn_code == B.ResetDevice
self.client.debug.press_yes()
# Enter new PIN
yield
self.client.debug.input("654")
# Confirm PIN
yield
self.client.debug.input("654")
# Confirm entropy
btn_code = yield
assert btn_code == B.ResetDevice
self.client.debug.press_yes()
# Backup your seed
btn_code = yield
assert btn_code == B.ResetDevice
self.client.debug.press_yes()
# Confirm warning
btn_code = yield
assert btn_code == B.ResetDevice
self.client.debug.press_yes()
# mnemonic phrases
btn_code = yield
assert btn_code == B.ResetDevice
# 12 words, 3 pages
for i in range(3):
words.extend(self.client.debug.read_reset_word().split())
if i < 2:
self.client.debug.swipe_down()
else:
# last page is confirmation
self.client.debug.press_yes()
# check backup words
for _ in range(3):
index = self.client.debug.read_reset_word_pos()
self.client.debug.input(words[index])
# confirm recovery seed check
btn_code = yield
assert btn_code == B.Success
self.client.debug.press_yes()
# confirm success
btn_code = yield
assert btn_code == B.Success
self.client.debug.press_yes()
os_urandom = mock.Mock(return_value=EXTERNAL_ENTROPY)
with mock.patch("os.urandom", os_urandom), self.client:
self.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(),
]
)
self.client.set_input_flow(input_flow)
# PIN, passphrase, display random
device.reset(
self.client,
display_random=True,
strength=strength,
passphrase_protection=True,
pin_protection=True,
label="test",
language="english",
)
# generate mnemonic locally
internal_entropy = self.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 " ".join(words) == expected_mnemonic
# Check if device is properly initialized
resp = self.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
def test_failed_pin(self):
# external_entropy = b'zlutoucky kun upel divoke ody' * 2
strength = 128
ret = self.client.call_raw(
proto.ResetDevice(strength=strength, pin_protection=True, label="test")
)
# Confirm Reset
assert isinstance(ret, proto.ButtonRequest)
self.client.debug.press_yes()
ret = self.client.call_raw(proto.ButtonAck())
# Enter PIN for first time
assert isinstance(ret, proto.ButtonRequest)
self.client.debug.input("654")
ret = self.client.call_raw(proto.ButtonAck())
# Enter PIN for second time
assert isinstance(ret, proto.ButtonRequest)
self.client.debug.input("456")
ret = self.client.call_raw(proto.ButtonAck())
assert isinstance(ret, proto.ButtonRequest)
def test_already_initialized(self):
self.setup_mnemonic_nopin_nopassphrase()
with pytest.raises(Exception):
device.reset(self.client, False, 128, True, True, "label", "english")