RFC 2841 · HISTORIC · 2000
MON · 15 JUN 2026
IP Authentication using Keyed SHA1 with Interleaved Padding
Overview
RFC 2841, “IP Authentication using Keyed SHA1 with Interleaved Padding”, is a Historic document published in November 2000 by P. Metzger, W. Simpson. It obsoletes RFC 1852. The canonical text is published by the RFC Editor.
Abstract
This document describes the use of keyed SHA1 (Secure Hash Algorithm) with the IP Authentication Header. This memo defines a Historic Document for the Internet community.
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A specification that has been superseded or is otherwise no longer recommended for use.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 2841 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2000
- RFC 2840 TELNET KERMIT OPTION
- RFC 2842 Capabilities Advertisement with BGP-4
- RFC 2839 Internet Kermit Service
- RFC 2843 Proxy-PAR
- RFC 2838 Uniform Resource Identifiers for Television Broadcasts
- RFC 2844 OSPF over ATM and Proxy-PAR
- RFC 2837 Definitions of Managed Objects for the Fabric Element in Fibre Channel Standard
- RFC 2845 Secret Key Transaction Authentication for DNS