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trezor-firmware/tests/device_tests/reset_recovery/test_reset_backup.py
2023-05-11 21:02:21 +02:00

139 lines
4.3 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 pytest
from shamir_mnemonic import shamir
from trezorlib import device
from trezorlib.debuglink import TrezorClientDebugLink as Client
from trezorlib.messages import BackupType
from ...common import WITH_MOCK_URANDOM
from ...input_flows import (
InputFlowBip39Backup,
InputFlowResetSkipBackup,
InputFlowSlip39AdvancedBackup,
InputFlowSlip39BasicBackup,
)
def backup_flow_bip39(client: Client) -> bytes:
with client:
IF = InputFlowBip39Backup(client)
client.set_input_flow(IF.get())
device.backup(client)
assert IF.mnemonic is not None
return IF.mnemonic.encode()
def backup_flow_slip39_basic(client: Client):
with client:
IF = InputFlowSlip39BasicBackup(client, False)
client.set_input_flow(IF.get())
device.backup(client)
groups = shamir.decode_mnemonics(IF.mnemonics[:3])
ems = shamir.recover_ems(groups)
return ems.ciphertext
def backup_flow_slip39_advanced(client: Client):
with client:
IF = InputFlowSlip39AdvancedBackup(client, False)
client.set_input_flow(IF.get())
device.backup(client)
mnemonics = IF.mnemonics[0:3] + IF.mnemonics[5:8] + IF.mnemonics[10:13]
groups = shamir.decode_mnemonics(mnemonics)
ems = shamir.recover_ems(groups)
return ems.ciphertext
VECTORS = [
(BackupType.Bip39, backup_flow_bip39),
(BackupType.Slip39_Basic, backup_flow_slip39_basic),
(BackupType.Slip39_Advanced, backup_flow_slip39_advanced),
]
@pytest.mark.skip_t1
@pytest.mark.parametrize("backup_type, backup_flow", VECTORS)
@pytest.mark.setup_client(uninitialized=True)
def test_skip_backup_msg(client: Client, backup_type, backup_flow):
with WITH_MOCK_URANDOM, client:
device.reset(
client,
skip_backup=True,
passphrase_protection=False,
pin_protection=False,
backup_type=backup_type,
)
assert client.features.initialized is True
assert client.features.needs_backup is True
assert client.features.unfinished_backup is False
assert client.features.no_backup is False
assert client.features.backup_type is backup_type
secret = backup_flow(client)
client.init_device()
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.unfinished_backup is False
assert client.features.backup_type is backup_type
assert secret is not None
state = client.debug.state()
assert state.mnemonic_type is backup_type
assert state.mnemonic_secret == secret
@pytest.mark.skip_t1
@pytest.mark.parametrize("backup_type, backup_flow", VECTORS)
@pytest.mark.setup_client(uninitialized=True)
def test_skip_backup_manual(client: Client, backup_type, backup_flow):
with WITH_MOCK_URANDOM, client:
IF = InputFlowResetSkipBackup(client)
client.set_input_flow(IF.get())
device.reset(
client,
pin_protection=False,
passphrase_protection=False,
backup_type=backup_type,
)
assert client.features.initialized is True
assert client.features.needs_backup is True
assert client.features.unfinished_backup is False
assert client.features.no_backup is False
assert client.features.backup_type is backup_type
secret = backup_flow(client)
client.init_device()
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.unfinished_backup is False
assert client.features.backup_type is backup_type
assert secret is not None
state = client.debug.state()
assert state.mnemonic_type is backup_type
assert state.mnemonic_secret == secret