At the information theoretic level, isn't everything? The only thing that makes this more like a 'key' is that there is a simple test for it. More complex confi

At the information theoretic level, isn't everything? The only thing that makes this more like a 'key' is that there is a simple test for it. More complex configurations of obscurity are not really brute-forceable, just discoverable. That was less clear than I'd have like.