Re: [rtcweb] Encryption mandate (and offer/answer)

Randell Jesup <randell-ietf@jesup.org> Wed, 07 September 2011 22:29 UTC

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Date: Wed, 07 Sep 2011 18:28:19 -0400
From: Randell Jesup <randell-ietf@jesup.org>
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To: Jonathan Lennox <jonathan@vidyo.com>
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Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Encryption mandate (and offer/answer)
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On 9/7/2011 4:18 PM, Jonathan Lennox wrote:
> On Sep 7, 2011, at 3:20 PM, Randell Jesup wrote:
>> You could make forced-encryption the default, and allow the application
>> control over whether to allow it is turned off for specific cases, like
>> a PSTN call, or under the server's control.  Signalling is secure, so it
>> could even use a direct optional downgrade from SAVP* to AVP* (i.e.
>> similar to the best-effort-strp draft)
> This has implications for the parallel thread about the use of SDP offer/answer.
>
> The solution MMUSIC has standardized for best-effort SRTP is SDP CapNeg, RFC 5939.  Do we want to require CapNeg support in browsers?

Yeah, ok, I'm not going there.  :-)  It's probably not needed for this 
use-case anyways.

-- 
Randell Jesup
randell-ietf@jesup.org