mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-24 16:38:15 +00:00
131 lines
4.6 KiB
Python
131 lines
4.6 KiB
Python
# This file is part of the TREZOR project.
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#
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# Copyright (C) 2012-2016 Marek Palatinus <slush@satoshilabs.com>
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# Copyright (C) 2012-2016 Pavol Rusnak <stick@satoshilabs.com>
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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 as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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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 GNU Lesser General Public License
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# along with this library. If not, see <http://www.gnu.org/licenses/>.
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import unittest
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import common
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from trezorlib import messages as proto
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from mnemonic import Mnemonic
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class TestDeviceResetSkipBackup(common.TrezorTest):
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def test_reset_device_skip_backup(self):
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external_entropy = b'zlutoucky kun upel divoke ody' * 2
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strength = 128
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ret = self.client.call_raw(proto.ResetDevice(
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display_random=False,
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strength=strength,
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passphrase_protection=False,
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pin_protection=False,
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language='english',
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label='test',
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skip_backup=True
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))
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# Provide entropy
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self.assertIsInstance(ret, proto.EntropyRequest)
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internal_entropy = self.client.debug.read_reset_entropy()
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ret = self.client.call_raw(proto.EntropyAck(entropy=external_entropy))
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self.assertIsInstance(ret, proto.Success)
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# Check if device is properly initialized
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resp = self.client.call_raw(proto.Initialize())
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self.assertTrue(resp.initialized)
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self.assertTrue(resp.needs_backup)
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# Generate mnemonic locally
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entropy = common.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 = self.client.call_raw(proto.BackupDevice())
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mnemonic = []
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for _ in range(strength // 32 * 3):
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self.assertIsInstance(ret, proto.ButtonRequest)
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mnemonic.append(self.client.debug.read_reset_word())
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self.client.debug.press_yes()
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self.client.call_raw(proto.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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self.assertEqual(mnemonic, expected_mnemonic)
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mnemonic = []
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for _ in range(strength // 32 * 3):
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self.assertIsInstance(ret, proto.ButtonRequest)
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mnemonic.append(self.client.debug.read_reset_word())
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self.client.debug.press_yes()
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resp = self.client.call_raw(proto.ButtonAck())
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self.assertIsInstance(resp, proto.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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self.assertEqual(mnemonic, expected_mnemonic)
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# start backup again - should fail
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ret = self.client.call_raw(proto.BackupDevice())
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self.assertIsInstance(ret, proto.Failure)
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def test_reset_device_skip_backup_break(self):
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external_entropy = b'zlutoucky kun upel divoke ody' * 2
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strength = 128
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ret = self.client.call_raw(proto.ResetDevice(
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display_random=False,
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strength=strength,
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passphrase_protection=False,
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pin_protection=False,
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language='english',
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label='test',
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skip_backup=True
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))
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# Provide entropy
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self.assertIsInstance(ret, proto.EntropyRequest)
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ret = self.client.call_raw(proto.EntropyAck(entropy=external_entropy))
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self.assertIsInstance(ret, proto.Success)
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# Check if device is properly initialized
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resp = self.client.call_raw(proto.Initialize())
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self.assertTrue(resp.initialized)
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self.assertTrue(resp.needs_backup)
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# start Backup workflow
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ret = self.client.call_raw(proto.BackupDevice())
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# send Initialize -> break workflow
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ret = self.client.call_raw(proto.Initialize())
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self.assertIsInstance(resp, proto.Features)
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# start backup again - should fail
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ret = self.client.call_raw(proto.BackupDevice())
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self.assertIsInstance(ret, proto.Failure)
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def test_initialized_device_backup_fail(self):
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self.setup_mnemonic_nopin_nopassphrase()
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ret = self.client.call_raw(proto.BackupDevice())
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self.assertIsInstance(ret, proto.Failure)
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