RFC 6234 · INFORMATIONAL · 2011
WED · 29 JUL 2026
US Secure Hash Algorithms
Overview
RFC 6234, “US Secure Hash Algorithms”, is an Informational document published in May 2011 by D. Eastlake 3rd, T. Hansen. It updates RFC 3174. It obsoletes RFC 4634. The canonical text is published by the RFC Editor.
Abstract
Federal Information Processing Standard, FIPS
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 6234 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2011
- RFC 6233 IS-IS Registry Extension for Purges
- RFC 6235 IP Flow Anonymization Support
- RFC 6232 Purge Originator Identification TLV for IS-IS
- RFC 6236 Negotiation of Generic Image Attributes in the Session Description Protocol
- RFC 6231 An Interactive Voice Response Control Package for the Media Control Channel Framework
- RFC 6237 IMAP4 Multimailbox SEARCH Extension
- RFC 6230 Media Control Channel Framework
- RFC 6238 TOTP: Time-Based One-Time Password Algorithm