mod_cloud_notify_encrypted: Use new 'util.crypto' on Prosody 13.0 This removes the dependency on lua-luaossl when running on Prosody 13.0 (or trunk) which has util.crypto Compatibility with Prosody 0.12 retained but also the dependency

module:set_global();

local log = _G.log;

module:add_timer(60-os.date("%S"), function (now)
	log("info", "-- MARK --");
	return 90 - ((now + 30) % 60);
end);