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trezor-firmware/tests/device_tests/test_reset_recovery_slip39_basic.py
2021-02-05 10:44:09 +01:00

149 lines
5.3 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>.
import itertools
from unittest import mock
import pytest
from trezorlib import btc, device, messages
from trezorlib.messages import BackupType, ButtonRequestType as B
from trezorlib.tools import parse_path
from ..common import click_through, read_and_confirm_mnemonic, recovery_enter_shares
EXTERNAL_ENTROPY = b"zlutoucky kun upel divoke ody" * 2
MOCK_OS_URANDOM = mock.Mock(return_value=EXTERNAL_ENTROPY)
@pytest.mark.skip_t1
@pytest.mark.setup_client(uninitialized=True)
@mock.patch("os.urandom", MOCK_OS_URANDOM)
def test_reset_recovery(client):
mnemonics = reset(client)
address_before = btc.get_address(client, "Bitcoin", parse_path("44'/0'/0'/0/0"))
for share_subset in itertools.combinations(mnemonics, 3):
device.wipe(client)
selected_mnemonics = share_subset
recover(client, selected_mnemonics)
address_after = btc.get_address(client, "Bitcoin", parse_path("44'/0'/0'/0/0"))
assert address_before == address_after
def reset(client, strength=128):
all_mnemonics = []
# per SLIP-39: strength in bits, rounded up to nearest multiple of 10, plus 70 bits
# of metadata, split into 10-bit words
word_count = ((strength + 9) // 10) + 7
def input_flow():
# 1. Confirm Reset
# 2. Backup your seed
# 3. Confirm warning
# 4. shares info
# 5. Set & Confirm number of shares
# 6. threshold info
# 7. Set & confirm threshold value
# 8. Confirm show seeds
yield from click_through(client.debug, screens=8, code=B.ResetDevice)
# show & confirm shares
for h in range(5):
# mnemonic phrases
btn_code = yield
assert btn_code == B.ResetDevice
mnemonic = read_and_confirm_mnemonic(client.debug, words=word_count)
all_mnemonics.append(mnemonic)
# Confirm continue to next share
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
# safety warning
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
with client:
client.set_expected_responses(
[
messages.ButtonRequest(code=B.ResetDevice),
messages.EntropyRequest(),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.Success),
messages.Success(),
messages.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",
backup_type=BackupType.Slip39_Basic,
)
# Check if device is properly initialized
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.pin_protection is False
assert client.features.passphrase_protection is False
return all_mnemonics
def recover(client, shares):
debug = client.debug
def input_flow():
yield # Confirm Recovery
debug.press_yes()
# run recovery flow
yield from recovery_enter_shares(debug, shares)
with client:
client.set_input_flow(input_flow)
ret = device.recover(client, pin_protection=False, label="label")
# Workflow successfully ended
assert ret == messages.Success(message="Device recovered")
assert client.features.pin_protection is False
assert client.features.passphrase_protection is False