The OCB Authenticated-Encryption Algorithm

Document Type Replaced Internet-Draft (individual)
Last updated 2013-02-11 (latest revision 2012-07-16)
Replaced by draft-irtf-cfrg-ocb
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This Internet-Draft is no longer active.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.)