def send_unencrypted(self, message, wait_for_response=True):
self.rx_unencrypted = []
self.rx_unencr_seg = ''
if ((False == self.connected) or (None == self.ps_gdio_handle)):
log.debug('BLE adapter error: not connected')
else:
message = utils.add_crc(message)
log.debug('send unencrypted: ' + hexlify(message))
message = self._format_tx(message)
self.device.char_write_handle_long(self.ps_gdio_handle, message,
self.chunk_size, True)
def _inject_error_encrypted(self,
error_id,
cmd_id=0xFFFF,
auth_id=0xFFFFFFFF):
error = error_id
cmd_id = cmd_id
message = cmd.error_bridge(error, cmd_id)
decrypted = utils.pack_u32(auth_id) + message
decrypted = utils.add_crc(decrypted)
return auth_id, message, decrypted
def encrypt_tx(auth_id, message, key, nonce=''):
auth_id = utils.pack_u32(auth_id)
pdata = auth_id + message
pdata = utils.add_crc(pdata)
encrypted = encrypt(pdata, key, nonce)
nonce = encrypted[:24]
pdata = encrypted[24:]
length = len(pdata)
length = utils.pack_u16(length)
message = nonce + auth_id + length + pdata
return message
def _inject_error_unencrypted(self, error_id, cmd_id=0xFFFF):
error = error_id
message = cmd.error_bridge(error, cmd_id)
message = utils.add_crc(message)
return message
def pdata(cmd_id, message):
message = cmd_id + message
message = utils.add_crc(message)
return message