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The CWC-AES Dual-Use Mode

Document Type Expired Internet-Draft (cfrg RG)
Expired & archived
Author Tadayoshi Kohno
Last updated 2003-06-03
RFC stream Internet Research Task Force (IRTF)
Intended RFC status (None)
Additional resources Mailing list discussion
Stream IRTF state (None)
Consensus boilerplate Unknown
Document shepherd (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


The CWC dual-use mode is a fast, parallelizable, provably secure and patent-free mode of operation for providing both encryption and message integrity. In this document we specify CWC for the AES block cipher, though its principles can easily be applied to other block ciphers.


Tadayoshi Kohno

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