docs: def encrypt(self, data, pad=None, padmode=None):
  		"""encrypt(data, [pad], [padmode]) -> bytes
  
  		data : Bytes to be encrypted
  		pad  : Optional argument for encryption padding. Must only be one byte
  		padmode : Optional argument for overriding the padding mode.
  
  		The data must be a multiple of 8 bytes and will be encrypted
  		with the already specified key. Data does not have to be a
  		multiple of 8 bytes if the padding character is supplied, or
  		the padmode is set to PAD_PKCS5, as bytes will then added to
  		ensure the be padded data is a multiple of 8 bytes.
  		"""
  		data = self._guardAgainstUnicode(data)
  		if pad is not None:
  			pad = self._guardAgainstUnicode(pad)
  		data = self._padData(data, pad, padmode)
  		return self.crypt(data, des.ENCRYPT)