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Re: [MMUSIC] [rtcweb] Draft new: draft-wang-mmusic-encrypted-ice-candidates

Justin Uberti <juberti@google.com> Wed, 13 November 2019 21:12 UTC

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From: Justin Uberti <juberti@google.com>
Date: Wed, 13 Nov 2019 13:12:19 -0800
Message-ID: <CAOJ7v-3sFH1d31wD8t2mo_F_Jkm2wZdzgKg3KqTEgW813aDW4A@mail.gmail.com>
To: Roman Shpount <roman@telurix.com>
Cc: "mmusic@ietf.org" <mmusic@ietf.org>, Alex Drake <alexdrake@google.com>, "rtcweb@ietf.org" <rtcweb@ietf.org>, Christer Holmberg <christer.holmberg@ericsson.com>, Qingsi Wang <qingsi@google.com>
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Subject: Re: [MMUSIC] [rtcweb] Draft new: draft-wang-mmusic-encrypted-ice-candidates
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agreed, there is some discussion on this in
https://github.com/tQsW/encrypted-ice-candidates/issues/13.

On Wed, Nov 13, 2019 at 12:49 PM Roman Shpount <roman@telurix.com> wrote:

> On Wed, Nov 13, 2019 at 3:33 PM Justin Uberti <juberti=
> 40google.com@dmarc.ietf.org> wrote:
>
>> Because the network is managed, key distribution is much less complicated
>> than it otherwise would be in the general case. I would suggest we focus on
>> solving this specific problem and, if successful, we can see if we can take
>> this solution further.
>>
>
> I agree that since network is managed, solution is much simpler, but we
> still might need to deal with some key distribution issues, specifically
> procedure for key upgrade within the network. During such upgrade one keys
> is typically used for encryption but multiple set of keys can be used to
> decrypt the candidate (due to key propagation delay through the network).
> One option is to try all available keys and only discard the candidate if
> it cannot be decoded using any available key.
> _____________
> Roman Shpount
>

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