def test_reset_device_skip_backup_break(self):

        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',
            skip_backup=True
        ))

        # Provide entropy
        self.assertIsInstance(ret, proto.EntropyRequest)
        ret = self.client.call_raw(proto.EntropyAck(entropy=external_entropy))
        self.assertIsInstance(ret, proto.Success)

        # Check if device is properly initialized
        resp = self.client.call_raw(proto.Initialize())
        self.assertTrue(resp.initialized)
        self.assertTrue(resp.needs_backup)

        # start Backup workflow
        ret = self.client.call_raw(proto.BackupDevice())

        # send Initialize -> break workflow
        ret = self.client.call_raw(proto.Initialize())
        self.assertIsInstance(resp, proto.Features)

        # start backup again - should fail
        ret = self.client.call_raw(proto.BackupDevice())
        self.assertIsInstance(ret, proto.Failure)
    def test_failed_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(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_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()
        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_skip_backup(self):

        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',
            skip_backup=True
        ))

        # 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))
        self.assertIsInstance(ret, proto.Success)

        # Check if device is properly initialized
        resp = self.client.call_raw(proto.Initialize())
        self.assertTrue(resp.initialized)
        self.assertTrue(resp.needs_backup)

        # Generate mnemonic locally
        entropy = common.generate_entropy(strength, internal_entropy, external_entropy)
        expected_mnemonic = Mnemonic('english').to_mnemonic(entropy)

        # start Backup workflow
        ret = self.client.call_raw(proto.BackupDevice())

        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)

        # start backup again - should fail
        ret = self.client.call_raw(proto.BackupDevice())
        self.assertIsInstance(ret, proto.Failure)