I do not understand the reason for Bernard's objection.  I looked at the 
minutes, and I do not find any rationale there.  Can you help?

Russ


> On Mar 9, 2020, at 5:59 AM, John Mattsson <john.matts...@ericsson.com> wrote:
> 
> Hi Russ,
> 
> Sorry for the late reply. I actually brought up your draft 
> [ID-ietf-tls-tls13-cert-with-extern-psk] during my EMU presentation at IETF 
> 106 as something that should probably be in EAP-TLS. Bernard Aboba then 
> expressed a very strong opinion that [ID-ietf-tls-tls13-cert-with-extern-psk] 
> should absolutely not be included in the EAP-TLS Type-Code 0x0D. After this 
> the WG decided as a way forward to specify EAP-TLS with PSK authentication in 
> a new draft.
> 
> Given these strong opinions from Bernard Aboba, and the wish to publish 
> draft-ietf-emu-eap-tls13 soon. I think the best way forward would be specify 
> the use of [ID-ietf-tls-tls13-cert-with-extern-psk] in the same new draft as 
> EAP-TLS with PSK authentication. Does that sound like an acceptable way 
> forward?
> 
> Cheers,
> John
> 
> -----Original Message-----
> From: Russ Housley <hous...@vigilsec.com>
> Date: Monday, 13 January 2020 at 18:29
> To: John Mattsson <john.matts...@ericsson.com>
> Cc: EMU WG <emu@ietf.org>
> Subject: Late WGLC Comment on draft-ietf-emu-eap-tls13
> 
>    John:
> 
>    Section 2.1.1 says:
> 
>       Pre-Shared Key (PSK) authentication SHALL NOT be used except
>       for resumption.
> 
>    I would rather this say:
> 
>       Pre-Shared Key (PSK) authentication SHALL NOT be used except
>       for resumption or in conjunction with the "tls_cert_with_extern_psk"
>       extension [ID-ietf-tls-tls13-cert-with-extern-psk].
> 
>    Russ
> 
> 
> 

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