So, a brute force password attack would mean trying every combination of keys until you hit upon the proper combination for a password.

Here’s the stupidest, but cool in a bloody-minded sort of way, use a possible OpenSCAD randomizing function:

A script that generates a pile of random keys so you can brute force attack a lock.1

1. See?!  I can think of a frivolous use for anything! [↩]