Re: scope of derive

Dean Willis <[email protected]>
Newsgroups gmane.ietf.sip
Message-ID <[email protected]>
On Dec 11, 2008, at 2:46 PM, Elwell, John wrote:

>>
> [JRE] I am not sure you need RFC 4474 end-to-end - you just need
> something end-to-end that binds the fingerprint of the DTLS-SRTP
> certificate to a substantial part of the SIP message, but that need  
> not
> include the entire SDP.


I don't disagree about what we MIGHT need, but what we DO need, given  
what we wrote into the dtls-srtp spec, is RFC 4474 all the way to the  
UAS.

All of these go together in explaining why we have no deployments of  
RFC 4474 and no deployments of DTLS-SRTP worth mentioning.

Apparently, people prefer public discourse with anonymous/unidentified  
parties. Given what I hear about college sex lives these days, I  
shouldn't be surprised.

--
Dean

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