RFC 7253 · INFORMATIONAL · 2014
SUN · 14 JUN 2026
The OCB Authenticated-Encryption Algorithm
Overview
RFC 7253, “The OCB Authenticated-Encryption Algorithm”, is an Informational document published in May 2014 by T. Krovetz, P. Rogaway. The canonical text is published by the RFC Editor.
Abstract
This document specifies OCB, a shared-key blockcipher-based encryption scheme that provides confidentiality and authenticity for plaintexts and authenticity for associated data. This document is a product of the Crypto Forum Research Group (CFRG).
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
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