一图说明如何用IRIS进行加密和解密

https://cn.community.intersystems.com/post/%E4%B8%80%E5%9B%BE%E8%AF%B4%E6%98%8E%E5%A6%82%E4%BD%95%E7%94%A8iris%E8%BF%9B%E8%A1%8C%E5%8A%A0%E5%AF%86%E5%92%8C%E8%A7%A3%E5%AF%86