RFC 4982 · PROPOSED STANDARD · 2007
MON · 14 SEP 2026
Support for Multiple Hash Algorithms in Cryptographically Generated Addresses
Overview
RFC 4982, “Support for Multiple Hash Algorithms in Cryptographically Generated Addresses”, is a Proposed Standard document published in July 2007 by M. Bagnulo, J. Arkko. It updates RFC 3972. The canonical text is published by the RFC Editor.
Abstract
This document analyzes the implications of recent attacks on commonly used hash functions on Cryptographically Generated Addresses (CGAs) and updates the CGA specification to support multiple hash algorithms. [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 4982 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2007
- RFC 4981 Survey of Research towards Robust Peer-to-Peer Networks: Search Methods
- RFC 4983 Fibre Channel Registered State Change Notification MIB
- RFC 4980 Analysis of Multihoming in Network Mobility Support
- RFC 4984 Report from the IAB Workshop on Routing and Addressing
- RFC 4979 IANA Registration for Enumservice 'XMPP'
- RFC 4985 Internet X.509 Public Key Infrastructure Subject Alternative Name for Expression of Service Name
- RFC 4978 The IMAP COMPRESS Extension
- RFC 4986 Requirements Related to DNS Security Trust Anchor Rollover