Your information sent to your friends is encrypted by your friend's public key. No one else (not even Ripplex Inc.) can read the transmitted information.

The information you disclosed is sent from your PC to your friends. The information is encrypted with your friend's public key and nobody but your friend can retrieve the information. Recipient's private key is used to recover your information which was encrypted in your PC. No one else, not even Ripplex Inc. can access your encrypted information.