mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-15 20:19:23 +00:00
207 lines
8.1 KiB
Python
207 lines
8.1 KiB
Python
import unittest
|
|
import common
|
|
import hashlib
|
|
|
|
from trezorlib 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[:strength / 8]
|
|
|
|
if len(entropy_stripped) * 8 != strength:
|
|
raise Exception("Entropy length mismatch")
|
|
|
|
return entropy_stripped
|
|
|
|
class TestDeviceReset(common.TrezorTest):
|
|
def test_reset_device(self):
|
|
# No PIN, no passphrase
|
|
external_entropy = '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()
|
|
ret = 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)
|
|
|
|
mnemonic = []
|
|
for _ in range(strength/32*3):
|
|
self.assertIsInstance(ret, proto.ButtonRequest)
|
|
mnemonic.append(self.client.debug.read_reset_word())
|
|
self.client.debug.press_yes()
|
|
self.client.call_raw(proto.ButtonAck())
|
|
|
|
mnemonic = ' '.join(mnemonic)
|
|
|
|
# Compare that device generated proper mnemonic for given entropies
|
|
self.assertEqual(mnemonic, expected_mnemonic)
|
|
|
|
mnemonic = []
|
|
for _ in range(strength/32*3):
|
|
self.assertIsInstance(ret, proto.ButtonRequest)
|
|
mnemonic.append(self.client.debug.read_reset_word())
|
|
self.client.debug.press_yes()
|
|
resp = self.client.call_raw(proto.ButtonAck())
|
|
|
|
self.assertIsInstance(resp, proto.Success)
|
|
|
|
mnemonic = ' '.join(mnemonic)
|
|
|
|
# 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 = '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()
|
|
ret = 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)
|
|
|
|
mnemonic = []
|
|
for _ in range(strength/32*3):
|
|
self.assertIsInstance(ret, proto.ButtonRequest)
|
|
mnemonic.append(self.client.debug.read_reset_word())
|
|
self.client.debug.press_yes()
|
|
self.client.call_raw(proto.ButtonAck())
|
|
|
|
mnemonic = ' '.join(mnemonic)
|
|
|
|
# Compare that device generated proper mnemonic for given entropies
|
|
self.assertEqual(mnemonic, expected_mnemonic)
|
|
|
|
mnemonic = []
|
|
for _ in range(strength/32*3):
|
|
self.assertIsInstance(ret, proto.ButtonRequest)
|
|
mnemonic.append(self.client.debug.read_reset_word())
|
|
self.client.debug.press_yes()
|
|
resp = self.client.call_raw(proto.ButtonAck())
|
|
|
|
self.assertIsInstance(resp, proto.Success)
|
|
|
|
mnemonic = ' '.join(mnemonic)
|
|
|
|
# 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)
|
|
|
|
# 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()
|