Re: [TLS] Binder key labels for imported PSKs

Rob Sayre <sayrer@gmail.com> Wed, 06 November 2019 02:08 UTC

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From: Rob Sayre <sayrer@gmail.com>
Date: Tue, 5 Nov 2019 18:08:17 -0800
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To: "Salz, Rich" <rsalz@akamai.com>
Cc: Sean Turner <sean@sn3rd.com>, TLS List <tls@ietf.org>
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Subject: Re: [TLS] Binder key labels for imported PSKs
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On Tue, Nov 5, 2019 at 6:03 PM Salz, Rich <rsalz@akamai.com>; wrote:

> > Do people agree that we want to prevent PSK Importers from being
> confused with standard OOB PSKs and that we should do this by changing the
> label used in the computation of the PSK binder key?
>
> Obviously.
>

For the slower folks on the list, such as myself, could someone explain why
confusing these two types of PSKs would be bad?

thanks,
Rob