We use cookies to understand how the site is used and to improve it. You can accept them, or carry on with them switched off.
Also known as: Pretty Good Privacy, OpenPGP, GnuPG
Pretty Good Privacy, a public-key system released in 1991 for encrypting and signing messages, later formalised as the OpenPGP standard and implemented today mainly by GnuPG. On Usenet it mattered less for encryption than for signatures: control messages, moderated-group approvals, and periodic FAQ postings carried PGP signatures so that servers and readers could confirm an authorised sender before acting.
Browse all terms in Privacy & Security, or see the full Usenet glossary.