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Re: [Cfrg] draft-housley-ccm-mode-00.txt

To: cfrg@ietf.org
Subject: Re: [Cfrg] draft-housley-ccm-mode-00.txt
From: daw@mozart.cs.berkeley.edu (David Wagner)
Date: 15 Aug 2002 19:09:10 GMT
Distribution: isaac
List-Id: Crypto Forum Research Group <cfrg.ietf.org>
Newsgroups: isaac.lists.ietf-cfrg
Organization: University of California, Berkeley
References: <5.1.0.14.2.20020815104520.03521ac8@exna07.securitydynamics.com>
Sender: cfrg-admin@ietf.org

Hi Russ,

Thanks for the advance notice.  As you write your Internet-Draft, can I
encourage you to write a comparison (advantages, disadvantages) between
CCM and the less fancy encrypt-then-authenticate generic composition of
CBC mode encryption and CBC-MAC authentication (suitably modified to be
secure for variable-length messages)?

-- David

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References:
- [Cfrg] draft-housley-ccm-mode-00.txt
  - From: Housley, Russ

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