The OCB Authenticated-Encryption Algorithm

Document Type Replaced Internet-Draft (individual)
Authors Ted Krovetz  , Phillip Rogaway 
Last updated 2013-02-11 (latest revision 2012-07-16)
Replaced by RFC 7253
Stream (None)
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream Stream state (No stream defined)
Consensus Boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Replaced by draft-irtf-cfrg-ocb
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document specifies OCB, a shared-key blockcipher-based encryption scheme that provides privacy and authenticity for plaintexts and authenticity for associated data.


Ted Krovetz (
Phillip Rogaway (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)