The customers don't care about the particular method, they just know what they want to accomplish and try to suggest how they think it may work. It's beside the

The customers don't care about the particular method, they just know what they want to accomplish and try to suggest how they think it may work. It's beside the point and somewhat obtuse to go into detail explaining why a particular way doesn't work. A much better way to respond to this request would be 'Yes! Here's a one time/time limited password generator that will do what you want'.