Re: [MMUSIC] 4572 update: forbid weak hashes?

Martin Thomson <martin.thomson@gmail.com> Thu, 07 April 2016 21:13 UTC

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Date: Thu, 07 Apr 2016 18:13:34 -0300
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From: Martin Thomson <martin.thomson@gmail.com>
To: Roman Shpount <roman@telurix.com>
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Cc: "mmusic@ietf.org" <mmusic@ietf.org>, Paul Kyzivat <pkyzivat@alum.mit.edu>
Subject: Re: [MMUSIC] 4572 update: forbid weak hashes?
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On 7 April 2016 at 17:55, Roman Shpount <roman@telurix.com> wrote:
> If I understand your proposal correctly this will cause DTLS association for
> RTCP to be rejected since it did not match a single SHA-256 fingerprint.
> This is definitely undesirable.

Well, the entity generating the SDP is not constrained by the hashes
that the two devices support, is it?

But, assuming that it is, then my original text did have the property
you describe.