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Copy pathtest_msg_resetdevice.py
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218 lines (168 loc) · 8.61 KB
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# This file is part of the TREZOR project.
#
# Copyright (C) 2012-2016 Marek Palatinus <slush@satoshilabs.com>
# Copyright (C) 2012-2016 Pavol Rusnak <stick@satoshilabs.com>
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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 GNU Lesser General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
#
# The script has been modified for KeepKey Device.
import unittest
import common
import hashlib
from keepkeylib import messages_pb2 as proto
from mnemonic import Mnemonic
def generate_entropy(strength, internal_entropy, external_entropy):
'''
strength - length of produced seed. One of 128, 192, 256
random - binary stream of random data from external HRNG
'''
if strength not in (128, 192, 256):
raise Exception("Invalid strength")
if not internal_entropy:
raise Exception("Internal entropy is not provided")
if len(internal_entropy) < 32:
raise Exception("Internal entropy too short")
if not external_entropy:
raise Exception("External entropy is not provided")
if len(external_entropy) < 32:
raise Exception("External entropy too short")
entropy = hashlib.sha256(internal_entropy + external_entropy).digest()
entropy_stripped = entropy[:int(strength / 8)]
if len(entropy_stripped) * 8 != strength:
raise Exception("Entropy length mismatch")
return entropy_stripped
class TestDeviceReset(common.KeepKeyTest):
def test_reset_device(self):
# No PIN, no passphrase
external_entropy = b'zlutoucky kun upel divoke ody' * 2
strength = 128
ret = self.client.call_raw(proto.ResetDevice(display_random=False,
strength=strength,
passphrase_protection=False,
pin_protection=False,
language='english',
label='test'))
# Provide entropy
self.assertIsInstance(ret, proto.EntropyRequest)
internal_entropy = self.client.debug.read_reset_entropy()
resp = self.client.call_raw(proto.EntropyAck(entropy=external_entropy))
# Generate mnemonic locally
entropy = generate_entropy(strength, internal_entropy, external_entropy)
expected_mnemonic = Mnemonic('english').to_mnemonic(entropy)
# Explainer Dialog
self.assertIsInstance(resp, proto.ButtonRequest)
self.client.debug.press_yes()
resp = self.client.call_raw(proto.ButtonAck())
mnemonic = []
while isinstance(resp, proto.ButtonRequest):
mnemonic.append(self.client.debug.read_reset_word())
self.client.debug.press_yes()
resp = self.client.call_raw(proto.ButtonAck())
mnemonic = ' '.join(mnemonic)
# Compare that device generated proper mnemonic for given entropies
self.assertEqual(mnemonic, expected_mnemonic)
self.assertIsInstance(resp, proto.Success)
# Compare that second pass printed out the same mnemonic once again
self.assertEqual(mnemonic, expected_mnemonic)
# Check if device is properly initialized
resp = self.client.call_raw(proto.Initialize())
self.assertFalse(resp.pin_protection)
self.assertFalse(resp.passphrase_protection)
# Do passphrase-protected action, PassphraseRequest should NOT be raised
resp = self.client.call_raw(proto.Ping(passphrase_protection=True))
self.assertIsInstance(resp, proto.Success)
# Do PIN-protected action, PinRequest should NOT be raised
resp = self.client.call_raw(proto.Ping(pin_protection=True))
self.assertIsInstance(resp, proto.Success)
def test_reset_device_pin(self):
external_entropy = b'zlutoucky kun upel divoke ody' * 2
strength = 128
ret = self.client.call_raw(proto.ResetDevice(display_random=True,
strength=strength,
passphrase_protection=True,
pin_protection=True,
language='english',
label='test'))
self.assertIsInstance(ret, proto.ButtonRequest)
self.client.debug.press_yes()
ret = self.client.call_raw(proto.ButtonAck())
self.assertIsInstance(ret, proto.PinMatrixRequest)
# Enter PIN for first time
pin_encoded = self.client.debug.encode_pin('654')
ret = self.client.call_raw(proto.PinMatrixAck(pin=pin_encoded))
self.assertIsInstance(ret, proto.PinMatrixRequest)
# Enter PIN for second time
pin_encoded = self.client.debug.encode_pin('654')
ret = self.client.call_raw(proto.PinMatrixAck(pin=pin_encoded))
# Provide entropy
self.assertIsInstance(ret, proto.EntropyRequest)
internal_entropy = self.client.debug.read_reset_entropy()
resp = self.client.call_raw(proto.EntropyAck(entropy=external_entropy))
# Generate mnemonic locally
entropy = generate_entropy(strength, internal_entropy, external_entropy)
expected_mnemonic = Mnemonic('english').to_mnemonic(entropy)
# Explainer Dialog
self.assertIsInstance(resp, proto.ButtonRequest)
self.client.debug.press_yes()
resp = self.client.call_raw(proto.ButtonAck())
mnemonic = []
while isinstance(resp, proto.ButtonRequest):
mnemonic.append(self.client.debug.read_reset_word())
self.client.debug.press_yes()
resp = self.client.call_raw(proto.ButtonAck())
mnemonic = ' '.join(mnemonic)
# Compare that device generated proper mnemonic for given entropies
self.assertEqual(mnemonic, expected_mnemonic)
self.assertIsInstance(resp, proto.Success)
# Compare that second pass printed out the same mnemonic once again
self.assertEqual(mnemonic, expected_mnemonic)
# Check if device is properly initialized
resp = self.client.call_raw(proto.Initialize())
self.assertTrue(resp.pin_protection)
self.assertTrue(resp.passphrase_protection)
self.client.clear_session()
# Do passphrase-protected action, PassphraseRequest should be raised
resp = self.client.call_raw(proto.Ping(passphrase_protection=True))
self.assertIsInstance(resp, proto.PassphraseRequest)
self.client.call_raw(proto.Cancel())
# Do PIN-protected action, PinRequest should be raised
resp = self.client.call_raw(proto.Ping(pin_protection=True))
self.assertIsInstance(resp, proto.PinMatrixRequest)
self.client.call_raw(proto.Cancel())
def test_failed_pin(self):
external_entropy = 'zlutoucky kun upel divoke ody' * 2
strength = 128
ret = self.client.call_raw(proto.ResetDevice(display_random=True,
strength=strength,
passphrase_protection=True,
pin_protection=True,
language='english',
label='test'))
self.assertIsInstance(ret, proto.ButtonRequest)
self.client.debug.press_yes()
ret = self.client.call_raw(proto.ButtonAck())
self.assertIsInstance(ret, proto.PinMatrixRequest)
# Enter PIN for first time
pin_encoded = self.client.debug.encode_pin(self.pin4)
ret = self.client.call_raw(proto.PinMatrixAck(pin=pin_encoded))
self.assertIsInstance(ret, proto.PinMatrixRequest)
# Enter PIN for second time
pin_encoded = self.client.debug.encode_pin(self.pin6)
ret = self.client.call_raw(proto.PinMatrixAck(pin=pin_encoded))
self.assertIsInstance(ret, proto.Failure)
def test_already_initialized(self):
self.setup_mnemonic_nopin_nopassphrase()
self.assertRaises(Exception, self.client.reset_device, False, 128, True, True, 'label', 'english')
if __name__ == '__main__':
unittest.main()