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152 lines
5.0 KiB
152 lines
5.0 KiB
# 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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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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import pytest
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from mnemonic import Mnemonic
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from trezorlib import messages
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from trezorlib.debuglink import TrezorClientDebugLink as Client
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from ...common import EXTERNAL_ENTROPY, generate_entropy
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pytestmark = pytest.mark.models("legacy")
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STRENGTH = 128
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@pytest.mark.setup_client(uninitialized=True)
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def test_reset_device_skip_backup(client: Client):
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ret = client.call_raw(
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messages.ResetDevice(
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strength=STRENGTH,
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passphrase_protection=False,
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pin_protection=False,
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label="test",
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skip_backup=True,
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)
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)
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assert isinstance(ret, messages.ButtonRequest)
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client.debug.press_yes()
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ret = client.call_raw(messages.ButtonAck())
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# Provide entropy
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assert isinstance(ret, messages.EntropyRequest)
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internal_entropy = client.debug.state().reset_entropy
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ret = client.call_raw(messages.EntropyAck(entropy=EXTERNAL_ENTROPY))
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assert isinstance(ret, messages.Success)
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# Check if device is properly initialized
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ret = client.call_raw(messages.Initialize())
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assert ret.initialized is True
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assert ret.backup_availability == messages.BackupAvailability.Required
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assert ret.unfinished_backup is False
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assert ret.no_backup is False
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# Generate mnemonic locally
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entropy = generate_entropy(STRENGTH, internal_entropy, EXTERNAL_ENTROPY)
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expected_mnemonic = Mnemonic("english").to_mnemonic(entropy)
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# start Backup workflow
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ret = client.call_raw(messages.BackupDevice())
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mnemonic = []
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for _ in range(STRENGTH // 32 * 3):
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assert isinstance(ret, messages.ButtonRequest)
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mnemonic.append(client.debug.read_reset_word())
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client.debug.press_yes()
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client.call_raw(messages.ButtonAck())
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mnemonic = " ".join(mnemonic)
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# Compare that device generated proper mnemonic for given entropies
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assert mnemonic == expected_mnemonic
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mnemonic = []
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for _ in range(STRENGTH // 32 * 3):
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assert isinstance(ret, messages.ButtonRequest)
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mnemonic.append(client.debug.read_reset_word())
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client.debug.press_yes()
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ret = client.call_raw(messages.ButtonAck())
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assert isinstance(ret, messages.Success)
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mnemonic = " ".join(mnemonic)
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# Compare that second pass printed out the same mnemonic once again
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assert mnemonic == expected_mnemonic
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# start backup again - should fail
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ret = client.call_raw(messages.BackupDevice())
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assert isinstance(ret, messages.Failure)
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@pytest.mark.setup_client(uninitialized=True)
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def test_reset_device_skip_backup_break(client: Client):
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ret = client.call_raw(
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messages.ResetDevice(
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strength=STRENGTH,
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passphrase_protection=False,
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pin_protection=False,
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label="test",
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skip_backup=True,
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)
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)
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assert isinstance(ret, messages.ButtonRequest)
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client.debug.press_yes()
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ret = client.call_raw(messages.ButtonAck())
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# Provide entropy
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assert isinstance(ret, messages.EntropyRequest)
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ret = client.call_raw(messages.EntropyAck(entropy=EXTERNAL_ENTROPY))
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assert isinstance(ret, messages.Success)
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# Check if device is properly initialized
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ret = client.call_raw(messages.Initialize())
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assert ret.initialized is True
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assert ret.backup_availability == messages.BackupAvailability.Required
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assert ret.unfinished_backup is False
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assert ret.no_backup is False
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# start Backup workflow
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ret = client.call_raw(messages.BackupDevice())
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# send Initialize -> break workflow
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ret = client.call_raw(messages.Initialize())
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assert isinstance(ret, messages.Features)
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assert ret.initialized is True
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assert ret.backup_availability == messages.BackupAvailability.NotAvailable
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assert ret.unfinished_backup is True
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assert ret.no_backup is False
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# start backup again - should fail
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ret = client.call_raw(messages.BackupDevice())
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assert isinstance(ret, messages.Failure)
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# read Features again
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ret = client.call_raw(messages.Initialize())
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assert isinstance(ret, messages.Features)
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assert ret.initialized is True
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assert ret.backup_availability == messages.BackupAvailability.NotAvailable
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assert ret.unfinished_backup is True
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assert ret.no_backup is False
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def test_initialized_device_backup_fail(client: Client):
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ret = client.call_raw(messages.BackupDevice())
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assert isinstance(ret, messages.Failure)
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