Re: [TLS] proposal to encrypt ContentType for TLS 1.3

Martin Thomson <martin.thomson@gmail.com> Sat, 05 July 2014 00:38 UTC

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Date: Fri, 4 Jul 2014 17:38:16 -0700
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From: Martin Thomson <martin.thomson@gmail.com>
To: Eric Rescorla <ekr@rtfm.com>
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Subject: Re: [TLS] proposal to encrypt ContentType for TLS 1.3
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On Jul 4, 2014 5:12 PM, "Eric Rescorla" <ekr@rtfm.com> wrote:
> - Protocol enforcement devices which expect to see a stream of records.
> - RFC 5764 elements which multiplex STUN, SRTP, and DTLS and
>   use the first byte for this purpose.

If we want to lose the redundant version number, then these problems need
to be solved. Agree that an update to dtls-srtp should be easy, but the
former is potentially troublesome. An experiment could be expensive, do we
know what is likely here?