RFC 3156 · PROPOSED STANDARD · 2001
MON · 15 JUN 2026
MIME Security with OpenPGP
Overview
RFC 3156, “MIME Security with OpenPGP”, is a Proposed Standard document published in August 2001 by M. Elkins, D. Del Torto, R. Levien, T. Roessler. It updates RFC 2015. The canonical text is published by the RFC Editor.
Abstract
This document describes how the OpenPGP Message Format can be used to provide privacy and authentication using the Multipurpose Internet Mail Extensions (MIME) security content types described in RFC 1847. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 3156 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2001
- RFC 3155 End-to-end Performance Implications of Links with Errors
- RFC 3157 Securely Available Credentials - Requirements
- RFC 3154 Requirements and Functional Architecture for an IP Host Alerting Protocol
- RFC 3158 RTP Testing Strategies
- RFC 3153 PPP Multiplexing
- RFC 3159 Structure of Policy Provisioning Information
- RFC 3152 Delegation of IP6.ARPA
- RFC 3160 The Tao of IETF - A Novice's Guide to the Internet Engineering Task Force