[Cryptography] improved identification of non-targets

[Paul Wouters]

On Sat, 11 Jan 2020, John Denker via cryptography wrote:

> There have been outrageously many incidents of people shooting
> down airliners without really meaning to.

You are forgetting the airlines that should be shot down.  How to
identify the difference between the two?  The only difference is which
humans are operating them. I don't think you can fix this by adding a
technical box to the system.

Paul