&quot;Deproliferation&quot; is impossible. It&#x27;s not like banning guns. It&#x27;s like banning the idea of how a gun works from ever being communicated, burning every book that contains the concept, erasing it from all electronic records, and strictly monitoring anyone with chemistry or metallurgy knowledge.<p>All you need to write an encryption program is an explanation of the concept behind a single algorithm, someone with math smarts, and almost any computer.