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The OCB Authenticated-Encryption Algorithm

Document type: Replaced Internet-Draft (individual)
Replaced by: draft-irtf-cfrg-ocb
Document stream: No stream defined
Last updated: 2013-02-11 (latest revision 2012-07-16)
Intended RFC status: Unknown
Other versions: (expired, archived): plain text, pdf, html

Stream State:No stream defined
Document shepherd: No shepherd assigned

IESG State: Replaced by draft-irtf-cfrg-ocb
Responsible AD: (None)
Send notices to: No addresses provided

This Internet-Draft is no longer active.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


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)