EFF and others took the feds to court, with folks like me buying T-shirts to fund the defense, and the feds lost. PGP is legal. It isn't a munition, regardless of what they say. Bits aren't bombs.
/johnny
Senator Schumer already has a bill written to outlaw a gun made by that process. Seriously, he’s already talking about how bad it is with even a picture of the thing and has a bill to shut that down.