@classmethod<EOL><INDENT>def new(cls, gen: Generator, sign_key: SignKey) -> '<STR_LIT>':<DEDENT>
logger = logging.getLogger(__name__)<EOL>logger.debug("<STR_LIT>")<EOL>c_instance = c_void_p()<EOL>do_call(cls.new_handler, gen.c_instance, sign_key.c_instance, byref(c_instance))<EOL>res = cls(c_instance)<EOL>logger.debug("<STR_LIT>", res)<EOL>return res<EOL>
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