On 9/25/13, Greg Rose <ggr@seer-grog.net> wrote:

Even under the much-relaxed export laws of the US, deriving spreading information cryptographically is a prohibited export. Which isn't to say it is not a good idea.

The US only applies to itself. Further, over the air, it's noise, the crypto is undetectable and unprovable. And it's (guerilla) software, not physical commercial product. Nor is this the old 'FCC says you can't encrypt ham bands' argument/tech.