RFC 2437 · INFORMATIONAL · 1998
SUN · 14 JUN 2026
PKCS #1: RSA Cryptography Specifications Version 2.0
Overview
RFC 2437, “PKCS #1: RSA Cryptography Specifications Version 2.0”, is an Informational document published in October 1998 by B. Kaliski, J. Staddon. It obsoletes RFC 2313. It has been obsoleted by RFC 3447 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This memo is the successor to RFC 2313. This document provides recommendations for the implementation of public-key cryptography based on the RSA algorithm. This memo provides information for the Internet community.
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 2437 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1998
- RFC 2436 Collaboration between ISOC/IETF and ITU-T
- RFC 2438 Advancement of MIB specifications on the IETF Standards Track
- RFC 2435 RTP Payload Format for JPEG-compressed Video
- RFC 2439 BGP Route Flap Damping
- RFC 2434 Guidelines for Writing an IANA Considerations Section in RFCs
- RFC 2440 OpenPGP Message Format
- RFC 2433 Microsoft PPP CHAP Extensions
- RFC 2441 Working with Jon, Tribute delivered at UCLA, October 30, 1998