RFC 7253 · INFORMATIONAL · 2014
MON · 14 SEP 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
The canonical text of RFC 7253 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 2014
- RFC 7252 The Constrained Application Protocol
- RFC 7254 A Uniform Resource Name Namespace for the Global System for Mobile Communications Association and the International Mobile station Equipment Identity
- RFC 7251 AES-CCM Elliptic Curve Cryptography Cipher Suites for TLS
- RFC 7255 Using the International Mobile station Equipment Identity Uniform Resource Name as an Instance ID
- RFC 7250 Using Raw Public Keys in Transport Layer Security and Datagram Transport Layer Security
- RFC 7256 Multicast Control Extensions for the Access Node Control Protocol
- RFC 7249 Internet Numbers Registries
- RFC 7257 Virtual Private LAN Service Management Information Base