Re: [TLS] Last Call: <draft-ietf-tls-ecdhe-psk-aead-03.txt> (ECDHE_PSK with AES-GCM and AES-CCM Cipher Suites for Transport Layer Security (TLS)) to Proposed Standard

Hi,

Thanks Tim and Uri for the comment. At least wikipedia considers them as
equivalent. I am fine either way, but leave it  as pfs unless there is a
consensus to change it to forward secrecy. If having fs seems important to
you please let us know asap!

Yours,
Daniel

On Thu, May 18, 2017 at 5:01 PM, Blumenthal, Uri - 0553 - MITLL <
uri@ll.mit.edu> wrote:

> It is a mathematical cryptographic term, and as such is incontrovertible.
>
> I say leave it in.
>
> Regards,
> Uri
>
> Sent from my iPhone
>
> > On May 18, 2017, at 16:58, Timothy Jackson <tjackson@mobileiron.com>
> wrote:
> >
> > One small nit.
> >
> >> ECDHE provides perfect forward secrecy
> > I thought we had decided to change “perfect forward secrecy” to just
> “forward secrecy” since “perfect” is such a difficult standard to reach?
> >
> > Tim
> > —
> > Tim Jackson | Product Security Architect | MobileIron, Inc.
> >
> > On 5/18/17, 10:45 AM, "TLS on behalf of Daniel Migault" <
> tls-bounces@ietf.org on behalf of daniel.migault@ericsson.com> wrote:
> >
> >    Hi Simon,
> >
> >    Thank you for the review. I believe we have addressed your comments
> in our version 04. Please see my comments inline.
> >
> >    Yours,
> >    Daniel
> >
> >    -----Original Message-----
> >    From: TLS [mailto:tls-bounces@ietf.org] On Behalf Of Simon
> Friedberger
> >    Sent: Thursday, May 04, 2017 5:59 PM
> >    To: ietf@ietf.org
> >    Cc: tls@ietf.org
> >    Subject: Re: [TLS] Last Call: <draft-ietf-tls-ecdhe-psk-aead-03.txt>
> (ECDHE_PSK with AES-GCM and AES-CCM Cipher Suites for Transport Layer
> Security (TLS)) to Proposed Standard
> >
> >    Nits:
> >
> >        RFC 4279 reference is missing.
> >    MGLT: It seems the reference is mentioned in the current version in
> the Normative reference as well  as in the introduction at line 127,  in
> section 3 line 143. In case you meant another reference, please let us know.
> >
> >
> >
> >        "TLS 1.3 and above version, " should probably be "TLS 1.3 and
> above" or "TLS 1.3 and higher versions"
> >    MGLT: Changed to "TLS 1.3 and higher versions"
> >
> >>    On 04/05/17 18:41, The IESG wrote:
> >> The IESG has received a request from the Transport Layer Security WG
> >> (tls) to consider the following document:
> >> - 'ECDHE_PSK with AES-GCM and AES-CCM Cipher Suites for Transport Layer
> >>   Security (TLS)'
> >>  <draft-ietf-tls-ecdhe-psk-aead-03.txt> as Proposed Standard
> >>
> >> The IESG plans to make a decision in the next few weeks, and solicits
> >> final comments on this action. Please send substantive comments to the
> >> ietf@ietf.org mailing lists by 2017-05-18. Exceptionally, comments may
> >> be sent to iesg@ietf.org instead. In either case, please retain the
> >> beginning of the Subject line to allow automated sorting.
> >>
> >> Abstract
> >>
> >>
> >>   This document defines several new cipher suites for the Transport
> >>   Layer Security (TLS) protocol.  The cipher suites are all based on
> >>   the Ephemeral Elliptic Curve Diffie-Hellman with Pre-Shared Key
> >>   (ECDHE_PSK) key exchange together with the Authenticated Encryption
> >>   with Associated Data (AEAD) algorithms AES-GCM and AES-CCM.  PSK
> >>   provides light and efficient authentication, ECDHE provides perfect
> >>   forward secrecy, and AES-GCM and AES-CCM provides encryption and
> >>   integrity protection.
> >>
> >>
> >>
> >>
> >> The file can be obtained via
> >> https://datatracker.ietf.org/doc/draft-ietf-tls-ecdhe-psk-aead/
> >>
> >> IESG discussion can be tracked via
> >> https://datatracker.ietf.org/doc/draft-ietf-tls-ecdhe-psk-aead/ballot/
> >>
> >>
> >> No IPR declarations have been submitted directly on this I-D.
> >>
> >>
> >>
> >>
> >> _______________________________________________
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> >> TLS@ietf.org
> >> https://www.ietf.org/mailman/listinfo/tls
> >
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