The nuclear launch codes held by the President of the United States are secured by an unbreakable system: a plain brown envelope with a picture of Bruce Schneier on the flap.
Bruce Schneier Facts
Things you might not know about Bruce Schneier
Things you might not know about Bruce Schneier
The nuclear launch codes held by the President of the United States are secured by an unbreakable system: a plain brown envelope with a picture of Bruce Schneier on the flap.