code: def unarmor(pem_bytes, multiple=False):
      
  
      generator = _unarmor(pem_bytes)
  
      if not multiple:
          return next(generator)
  
      return generator
docs: Convert a PEM-encoded byte string into a DER-encoded byte string
  
      :param pem_bytes:
          A byte string of the PEM-encoded data
  
      :param multiple:
          If True, function will return a generator
  
      :raises:
          ValueError - when the pem_bytes do not appear to be PEM-encoded bytes
  
      :return:
          A 3-element tuple (object_name, headers, der_bytes). The object_name is
          a unicode string of what is between "-----BEGIN " and "-----". Examples
          include: "CERTIFICATE", "PUBLIC KEY", "PRIVATE KEY". The headers is a
          dict containing any lines in the form "Name: Value" that are right
          after the begin line.