[11514] in cryptography@c2.net mail archive
CCM Mode
daemon@ATHENA.MIT.EDU (Housley, Russ)
Thu Aug 15 20:44:38 2002
From: "Housley, Russ" <rhousley@rsasecurity.com>
To: cryptography@wasabisystems.com
Date: Thu, 15 Aug 2002 12:34:41 -0400
I would like to draw your attention to a relatively new document:
http://ftp.ietf.org/internet-drafts/draft-housley-ccm-mode-00.txt
It contains a specification for an authenticated encryption mode. It was
designed fro use with AES, but, of course, it will work with any 128-bit
block cipher.
The authors have submitted it to NIST for consideration as a FIPS
mode. You can learn more about CCM and the other proposed modes at the
NIST web site ( see http://csrc.nist.gov/encryption/modes/proposedmodes/ ).
IEEE 802.11 has chosen to make CCM the mandatory to implement AES mode for
wireless LAN encryption. IEEE 802.15 has also chosen CCM for use with
personal area networks. In my opinion, this success is due to the lack of
a patent (or pending patent from the authors) on CCM. I suspect that most
of the members of this list are aware that other candidate authenticated
encryption modes are encumbered.
It is my intention to publish draft-housley-ccm-mode-00.txt as an
Informational RFC.
Russ
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