3 ms·

What are the other options?

• dnautics 10y ago
  Elliptic curve
• daxfohl 10y ago
  Couriers, duh: http://www.dailykos.com/story/2016/7/29/1554321/-Trump-thinks-US-military-should-communicate-via-courier-no-seriously http://www.dailykos.com/story/2016/7/29/1554321/-Trump-think...
• gnarbarian 10y ago
  One time pad.
  • w8rbt 10y ago
    One time pads are still used by governments. They can easily control the hard parts (secure pad distribution and operational procedure).