Re: [TLS] SAS extension?

As Pasi says, this is quite doable technically, but I
wonder about applicability.

SAS-type systems only work well if you have a trustworthy channel to
use to communicate the short authenticator. What did you have in mind
using for that channel?

-Ekr

At Wed, 30 Jul 2008 21:39:52 +0300,
<Pasi.Eronen@nokia.com> wrote:
> There have been some earlier efforts, but AFAIK they're
> not actively worked on:
> 
> http://tools.ietf.org/html/draft-fischl-sipping-media-dtls-01
> (Section 8.5)
> 
> https://svn.resiprocate.org/rep/ietf-drafts/ekr/draft-mcgrew-tls-sas.txt
> 
> You might want to contact the authors of those drafts
> to discuss more (well, many of them are probably subscribed
> to this mailing list, too :).
> 
> Best regards,
> Pasi
> 
> > -----Original Message-----
> > From: Peter Saint-Andre
> > Sent: 29 July, 2008 23:20
> > To: tls@ietf.org
> > Subject: [TLS] SAS extension?
> > 
> > In the XMPP community we are defining a way to use TLS for end-to-end 
> > encryption. We'd love to use short authentication strings (SAS) for 
> > identity verification. As far as I can see no one has worked on a TLS 
> > extension for SAS. Is there interest in doing so? I'd be 
> > happy to help write an I-D on this topic, but I'm not a TLS or 
> > security expert so it might not be appropriate for me to lead the 
> > effort.
> > 
> > Thanks!
> > 
> > Peter
> > 
> > --
> > Peter Saint-Andre
> > https://stpeter.im/
> > 
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