PPS is a specification for email programs to follow to exchange public keys and encrypt mail. There is no PPS ``program, though. Each email system may find its own way to impliment PPS, and may have different criteria for the user-interface.
Passive Privacy System
The Passive Privacy System Home Page
2024-06-30
Science, Math, Applications, Communication Theory - Passive Privacy System. PPS is a specification for email programs to follow to exchange public keys and encrypt mail.