> Once somebody writes a tool to unravel the obscurity, it is simple and fast for everybody to break the security.
Yes, it has a lower bound. But that tool has a high obscurity level itself. So the lower bound on breaking the security is finding someone who can write that tool.
Not great, but decent to buy time, as I said before :)
There is a difference. Once somebody writes a tool to unravel the obscurity, it is simple and fast for everybody to break the security.
Not so with encryption (if used properly, with changing keys, one-time passwords, etc.)