Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Client-to-Mixer Audio Level
Justin Uberti <juberti@google.com> Wed, 12 March 2014 04:21 UTC
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From: Justin Uberti <juberti@google.com>
Date: Tue, 11 Mar 2014 21:21:24 -0700
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To: Bernard Aboba <bernard.aboba@gmail.com>
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Cc: "Cullen Jennings (fluffy)" <fluffy@cisco.com>, "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Client-to-Mixer Audio Level
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I agree we need to mandate implementation of encryption for the c2m audio level headers. For actual use, what controls do we want - the ability to offer one of (encrypted, encrypted + unencrypted, none)? On Mon, Mar 10, 2014 at 9:47 PM, Bernard Aboba <bernard.aboba@gmail.com>wrote: > Cullen said: > > "I am opposed to mandating that Client-to-Mixer Audio Level RTP header is > REQUIRED to be encrypted. It means that we can not really build > conferencing system where the mixers do not have access to decrypt the > media." > > [BA] I am also not enthused about mandating encryption of header > extensions. However, in the interest of fairness, it is worth pointing out > that header extensions are optional, so if a particular extension is > encrypted, the mixer can always ignore it (and in this case, thereby do > more work mixing muted audio streams). So my take would be to say SHOULD > encrypt Client-to-MIxer Audio level, but leave this up to negotiation so > that if the mixer doesn't want it encrypted, it can turn that off. > > > On Wed, Mar 5, 2014 at 4:32 AM, Cullen Jennings (fluffy) <fluffy@cisco.com > > wrote: > >> >> I am opposed to mandating that Client-to-Mixer Audio Level RTP header is >> REQUIRED to be encrypted. It means that we can not really build >> conferencing system where the mixers do not have access to decrypt the >> media. >> >> I would like to propose that the JS application can control if the >> header is encrypted or not. >> >> I am aware of the paper that suggests these audio levels can reveal the >> contents of the conversation. There is some element of truth to this. There >> is also some element of truth to the point that if this was true, speech >> recognition system would work better than they do. Encrypting this or not >> is a risk that the application using the header extension needs to >> evaluate, and WebRTC system needs to provide the applications with a >> control surfaces that allows them to use this in the way the applications >> desires. >> >> I will note that an normal application that used this header could decide >> if it was encrypted or not, what is different in RTCWeb is that we are >> building a platform and my view is that this platform should allow the >> applications build on the platform to decide the tradeoffs of risk for >> encrypting this or not. >> >> >> >> >> >> >> _______________________________________________ >> rtcweb mailing list >> rtcweb@ietf.org >> https://www.ietf.org/mailman/listinfo/rtcweb >> > > > _______________________________________________ > rtcweb mailing list > rtcweb@ietf.org > https://www.ietf.org/mailman/listinfo/rtcweb > >
- [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Client-to… Cullen Jennings (fluffy)
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… tim panton
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Cullen Jennings (fluffy)
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Justin Uberti
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… tim panton
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… tim panton
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Cullen Jennings (fluffy)
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Justin Uberti
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Cullen Jennings (fluffy)
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… tim panton
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Justin Uberti
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Sergio Garcia Murillo
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… tim panton
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… John Mattsson
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Jonathan Lennox
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Martin Thomson
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Martin Thomson
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Sergio Garcia Murillo
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Iñaki Baz Castillo
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Matthew Kaufman (SKYPE)
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Sergio Garcia Murillo
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Martin Thomson
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Justin Uberti
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Martin Thomson
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Justin Uberti
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Jonathan Lennox
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Martin Thomson
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Magnus Westerlund
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Cullen Jennings (fluffy)
- [rtcweb] solutions for pervasive survelance Cullen Jennings (fluffy)
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Bernard Aboba
- Re: [rtcweb] draft-ietf-rtcweb-rtp-usage-12 Clien… Justin Uberti