Ban Who?
An interesting thought is that in Australia and other places it is a criminal act to write a virus or code that is a software attack mechanism.
Since the NSA acknowledges they wrote this shit, they did it in direct contravention of the law of countries with which the US does have an extradition treaty.
Does this not make the NSA a criminal conspiracy?
Regardless, it clearly demonstrates that the argument for government backdoors is false. It has just been demonstrated that master key will not be kept secret and publishing it would have catastrophic results.