@classmethod<EOL><INDENT>def new(cls, ver_key: VerKey, 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, ver_key.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 proof of possession that corresponds to the given ver key and sign key.
:param: ver_key - Ver Key
:param: sign_key - Sign Key
:return: BLS proof of possession