Re: [AVT] Media over DTLS

[Mark Baugher <mbaugher at cisco.com>]

On Mar 2, 2006, at 3:59 PM, Eric Rescorla wrote:

> Hi,
>
> AVT working group members may be interested in the following suite
> of drafts, which define a method for securing multimedia (especially)
> RTP traffic using DTLS:
>
> http://www.ietf.org/internet-drafts/draft-fischl-sipping-media- 
> dtls-00.txt
> http://www.ietf.org/internet-drafts/draft-tschofenig-avt-rtp- 
> dtls-00.txt
> http://www.ietf.org/internet-drafts/draft-fischl-mmusic-sdp- 
> dtls-00.txt
> http://www.ietf.org/internet-drafts/draft-modadugu-dtls-short-00.txt
> http://www.ietf.org/internet-drafts/draft-rescorla-tls-partial-00.txt
> http://www.ietf.org/internet-drafts/draft-ietf-tls-ctr-00.txt
>
> Why is this interesting? SIP does not have a scheme for key  
> negotiation
> of media encryption that works with early media and forking.

This is not true.  RFC 3830 does.

Mark
> This set of
> drafts addresses these issues. Instead of inventing a new key
> negotiation protocol, it uses DTLS for key establishment and algorithm
> negotiation while having the same on-the-wire packet format as SRTP.
>
> HTML versions can be found at:
>
> http://scm.sipfoundry.org/rep/ietf-drafts/ekr/{draft}.html
>
> The draft of most interest to this WG is probably
> draft-tschofenig-avt-rtp-dtls-00 but you may find it helpful to read
> draft-fischl-sipping-media-dtls-00 first for background.
>
> -Ekr
>
>
>
>
>
> _______________________________________________
> Audio/Video Transport Working Group
> avt at ietf.org
> https://www1.ietf.org/mailman/listinfo/avt

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