code: def new(cls, gen: Generator, sign_key: SignKey) -> 'VerKey':
          
          logger = logging.getLogger(__name__)
          logger.debug("VerKey::new: >>>")
  
          c_instance = c_void_p()
          do_call(cls.new_handler, gen.c_instance, sign_key.c_instance, byref(c_instance))
  
          res = cls(c_instance)
  
          logger.debug("VerKey::new: <<< res: %r", res)
          return res
docs: Creates and returns BLS ver key that corresponds to the given generator and sign key.
          :param: gen - Generator
          :param: sign_key - Sign Key
          :return: BLS verification key