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Re: [TLS] early IANA code point assignment request for draft-ietf-tls-ecdhe-psk-aead

Martin Thomson <martin.thomson@gmail.com> Fri, 12 August 2016 06:29 UTC

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From: Martin Thomson <martin.thomson@gmail.com>
Date: Fri, 12 Aug 2016 16:29:00 +1000
Message-ID: <CABkgnnVYt_-SwRbO3Jm0ngpOEccL4UNV6wvgZFMco1G9z0uwfw@mail.gmail.com>
To: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Subject: Re: [TLS] early IANA code point assignment request for draft-ietf-tls-ecdhe-psk-aead
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Looking at those emails, I am prompted to wonder if anyone can justify
the existence of a ciphersuite with a double-sized key and half-sized
authentication tag.  RFC 6655 doesn't really explain how that is a
useful thing.

On 10 August 2016 at 19:33, Nikos Mavrogiannopoulos <nmav@redhat.com> wrote:
> On Tue, 2016-08-09 at 14:45 -0400, Sean Turner wrote:
>> All,
>>
>> We've received a request for early IANA assignments for the 6 cipher
>> suites listed in https://datatracker.ietf.org/doc/draft-ietf-tls-ecdh
>> e-psk-aead/.  Please respond before August 23rd if you have concerns
>> about early code point assignment for these cipher suites.
>
> I have previously raised an issue [0] on these ciphersuites. The same
> requirement was noted also by Peter Dettman as something special in
> [1]. However, there has been no reaction from the authors (now in CC).
>
> regards,
> Nikos
>
> [0]. https://mailarchive.ietf.org/arch/msg/tls/4PZsc_Dy-aT299BYrlBKvZs0BOQ
> [1]. https://mailarchive.ietf.org/arch/msg/tls/onEkdgH30eZgWs8v5Rp-CUqCHds
>
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