The cool thing is that thanks to the NSA and public key cryptography, the chain of authentication goes all the way down the chain of command.
When the guys in the silo get that Emergency Action Message and authenticate it, they can have confidence that it was issued under the authority of the President, or at least the holder of the Presidential biscuit.
The cool thing is that thanks to the NSA and public key cryptography, the chain of authentication goes all the way down the chain of command.
When the guys in the silo get that Emergency Action Message and authenticate it, they can have confidence that it was issued under the authority of the President, or at least the holder of the Presidential biscuit.