He rocketed to privacy stardom over two decades ago with the release of PGP, the first widely available program that made it easy to encrypt e-mail. Now Phil Zimmermann wants to do the same thing for phone calls.
Zimmermann's new company, Silent Circle, plans to release a beta version of an iPhone and Android app in late July that encrypts phone calls and other communications. A final version is scheduled to follow in late September.
This time around, Zimmermann is facing not the possibility of prison time on charges of violating encryption export laws, but a more traditional challenge: … Read more