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trezor-firmware/tests/device_tests/test_debuglink.py

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# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2019 SatoshiLabs and contributors
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#
# 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.
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#
# 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
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from trezorlib import debuglink, device, messages, misc
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from trezorlib.debuglink import SessionDebugWrapper as Session
from trezorlib.debuglink import TrezorClientDebugLink as Client
from trezorlib.tools import parse_path
from trezorlib.transport import udp
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from ..common import MNEMONIC12
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@pytest.mark.models("legacy")
def test_layout(client: Client):
layout = client.debug.state().layout
assert len(layout) == 1024
@pytest.mark.models("legacy")
@pytest.mark.setup_client(mnemonic=MNEMONIC12)
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def test_mnemonic(session: Session):
session.ensure_unlocked()
mnemonic = session.client.debug.state().mnemonic_secret
assert mnemonic == MNEMONIC12.encode()
@pytest.mark.models("legacy")
@pytest.mark.setup_client(mnemonic=MNEMONIC12, pin="1234", passphrase="")
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def test_pin(session: Session):
resp = session.call_raw(
messages.GetAddress(address_n=parse_path("m/44'/0'/0'/0/0"))
)
assert isinstance(resp, messages.PinMatrixRequest)
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with session.client as client:
state = client.debug.state()
assert state.pin == "1234"
assert state.matrix != ""
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pin_encoded = client.debug.encode_pin("1234")
resp = session.call_raw(messages.PinMatrixAck(pin=pin_encoded))
assert isinstance(resp, messages.PassphraseRequest)
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resp = session.call_raw(messages.PassphraseAck(passphrase=""))
assert isinstance(resp, messages.Address)
@pytest.mark.models("core")
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def test_softlock_instability(session: Session):
if session.session_version == Session.THP_V2:
raise Exception("THIS NEEDS TO BE CHANGED FOR THP")
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def load_device():
debuglink.load_device(
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session,
mnemonic=MNEMONIC12,
pin="1234",
passphrase_protection=False,
label="test",
)
# start from a clean slate:
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resp = session.client.debug.reseed(0)
if isinstance(resp, messages.Failure) and not isinstance(
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session.client.transport, udp.UdpTransport
):
pytest.xfail("reseed only supported on emulator")
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device.wipe(session)
entropy_after_wipe = misc.get_entropy(session, 16)
session.refresh_features()
# configure and wipe the device
load_device()
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session.client.debug.reseed(0)
device.wipe(session)
assert misc.get_entropy(session, 16) == entropy_after_wipe
session.refresh_features()
load_device()
# the device has PIN -> lock it
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session.call(messages.LockDevice())
session.client.debug.reseed(0)
# wipe_device should succeed with no need to unlock
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device.wipe(session)
# the device is now trying to run the lockscreen, which attempts to unlock.
# If the device actually called config.unlock(), it would use additional randomness.
# That is undesirable. Assert that the returned entropy is still the same.
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assert misc.get_entropy(session, 16) == entropy_after_wipe