Re: [TLS] AES-OCB in TLS [New Version Notification for draft-zauner-tls-aes-ocb-03.txt]

Eric Rescorla <ekr@rtfm.com> Mon, 01 June 2015 12:30 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Mon, 1 Jun 2015 05:29:52 -0700
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To: Aaron Zauner <azet@azet.org>
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Cc: Phillip Rogaway <rogaway@cs.ucdavis.edu>, TLS Mailing List <tls@ietf.org>, Charanjit Jutla <csjutla@us.ibm.com>
Subject: Re: [TLS] AES-OCB in TLS [New Version Notification for draft-zauner-tls-aes-ocb-03.txt]
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On Mon, Jun 1, 2015 at 5:06 AM, Aaron Zauner <azet@azet.org> wrote:
>
>  * I'd also like to get rid of ECDSA ciphersuites alltogether, ideally
>    leaving a few real-world, high-performance ciphersuites to use
>

I don't understand this point: ECDSA cipher suites are the ones with the
best performance at present.

-Ekr



> Thoughts and feedback apprechiated, diff, HTML et cetera can be accessed
> via the quoted mail below.
>
> GitHub: https://github.com/azet/draft-zauner-tls-aes-ocb
>
> Thanks,
> Aaron
>
> internet-drafts@ietf.org wrote:
> > A new version of I-D, draft-zauner-tls-aes-ocb-03.txt
> > has been successfully submitted by Aaron Zauner and posted to the
> > IETF repository.
> >
> > Name:         draft-zauner-tls-aes-ocb
> > Revision:     03
> > Title:                AES-OCB (Offset Codebook Mode) Ciphersuites for
> Transport Layer Security (TLS)
> > Document date:        2015-06-01
> > Group:                Individual Submission
> > Pages:                7
> > URL:
> https://www.ietf.org/internet-drafts/draft-zauner-tls-aes-ocb-03.txt
> > Status:
> https://datatracker.ietf.org/doc/draft-zauner-tls-aes-ocb/
> > Htmlized:       https://tools.ietf.org/html/draft-zauner-tls-aes-ocb-03
> > Diff:
> https://www.ietf.org/rfcdiff?url2=draft-zauner-tls-aes-ocb-03
> >
> > Abstract:
> >    This memo describes the use of the Advanced Encryption Standard (AES)
> >    in the Offset Codebook Mode (OCB) of operation within Transport Layer
> >    Security (TLS) and Datagram TLS (DTLS) to provide confidentiality and
> >    data origin authentication.  The AES-OCB algorithm is highly
> >    parallelizable, provable secure and can be efficiently implemented in
> >    software and hardware providing high performance.  Furthermore, use
> >    of AES-OCB in TLS is exempt from past IPR claims by various parties.
> >
> >
> >
> >
> > Please note that it may take a couple of minutes from the time of
> submission
> > until the htmlized version and diff are available at tools.ietf.org.
> >
> > The IETF Secretariat
> >
>
>
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