RFC 2634 · PROPOSED STANDARD · 1999
WED · 29 JUL 2026
Enhanced Security Services for S/MIME
Overview
RFC 2634, “Enhanced Security Services for S/MIME”, is a Proposed Standard document published in June 1999 by P. Hoffman. It has since been updated by RFC 5035. The canonical text is published by the RFC Editor.
Abstract
This document describes four optional security service extensions for S/MIME. [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 2634 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1999
- RFC 2633 S/MIME Version 3 Message Specification
- RFC 2635 DON'T SPEW A Set of Guidelines for Mass Unsolicited Mailings and Postings
- RFC 2632 S/MIME Version 3 Certificate Handling
- RFC 2636 Wireless Device Configuration via ACAP
- RFC 2631 Diffie-Hellman Key Agreement Method
- RFC 2637 Point-to-Point Tunneling Protocol
- RFC 2630 Cryptographic Message Syntax
- RFC 2638 A Two-bit Differentiated Services Architecture for the Internet