RFC 1424 · HISTORIC · 1993
SUN · 14 JUN 2026
Privacy Enhancement for Internet Electronic Mail: Part IV: Key Certification and Related Services
Overview
RFC 1424, “Privacy Enhancement for Internet Electronic Mail: Part IV: Key Certification and Related Services”, is a Historic document published in February 1993 by B. Kaliski. The canonical text is published by the RFC Editor.
Abstract
This document describes three types of service in support of Internet Privacy-Enhanced Mail (PEM) [1-3]: key certification, certificate- revocation list (CRL) storage, and CRL retrieval. [STANDARDS-TRACK]
What “Historic” means
A specification that has been superseded or is otherwise no longer recommended for use.
Read this RFC
The canonical text of RFC 1424 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 1993
- RFC 1423 Privacy Enhancement for Internet Electronic Mail: Part III: Algorithms, Modes, and Identifiers
- RFC 1425 SMTP Service Extensions
- RFC 1422 Privacy Enhancement for Internet Electronic Mail: Part II: Certificate-Based Key Management
- RFC 1426 SMTP Service Extension for 8bit-MIMEtransport
- RFC 1421 Privacy Enhancement for Internet Electronic Mail: Part I: Message Encryption and Authentication Procedures
- RFC 1427 SMTP Service Extension for Message Size Declaration
- RFC 1420 SNMP over IPX
- RFC 1428 Transition of Internet Mail from Just-Send-8 to 8bit-SMTP/MIME