Pretty Good Privacy

Email and file encryption program released by Phil Zimmermann in 1991. Instead of a central certificate authority, users vouch for each other's keys, the model its 1992 manual named the web of trust.

Part of threads Central against decentralized proposes; Who vouches for it? proposes

created by

• Phil Zimmermann person b. 1954 [src]

Sources

• https://en.wikipedia.org/wiki/Pretty_Good_Privacy
• https://en.wikipedia.org/wiki/Web_of_trust