RFC 1991 · INFORMATIONAL · 1996
WED · 29 JUL 2026
PGP Message Exchange Formats
Overview
RFC 1991, “PGP Message Exchange Formats”, is an Informational document published in August 1996 by D. Atkins, W. Stallings, P. Zimmermann. It has been obsoleted by RFC 4880 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This document describes the format of "PGP files", i.e., messages that have been encrypted and/or signed with PGP. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 1991 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1996
- RFC 1990 The PPP Multilink Protocol
- RFC 1992 The Nimrod Routing Architecture
- RFC 1989 PPP Link Quality Monitoring
- RFC 1993 PPP Gandalf FZA Compression Protocol
- RFC 1988 Conditional Grant of Rights to Specific Hewlett-Packard Patents In Conjunction With the Internet Engineering Task Force's Internet- Standard Network Management Framework
- RFC 1994 PPP Challenge Handshake Authentication Protocol
- RFC 1987 Ipsilon's General Switch Management Protocol Specification Version 1.1
- RFC 1995 Incremental Zone Transfer in DNS