Uri:

Out-of-band distribution is used.  This draft makes no attempt at picking one 
of the many ways to do that.

Russ


> On May 20, 2019, at 3:41 PM, Blumenthal, Uri - 0553 - MITLL <[email protected]> 
> wrote:
> 
> I reviewed this draft (“browsed through” would be a more honest statement). I 
> didn’t spot an obvious problem with it.
>  
> One question that I have after reading it: I understand why one wants to 
> implement this extension, but I don’t see how the two endpoints would arrive 
> at that external PSK.
>  
> From: TLS <[email protected] <mailto:[email protected]>> on behalf of 
> Russ Housley <[email protected] <mailto:[email protected]>>
> Date: Monday, May 20, 2019 at 3:21 PM
> To: Joe Salowey <[email protected] <mailto:[email protected]>>
> Cc: IETF TLS <[email protected] <mailto:[email protected]>>
> Subject: Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with-extern-psk
>  
> TLS 1.3 Extension for Certificate-based Authentication with an External PSK 
> ensures the US Government has a quantum-resistant option for TLS in the 
> interim years until post-quantum algorithms emerge from the NIST process. For 
> this reason, there is an intent to specify this extension in future 
> procurements.
>  
> Russ
>  
> 
> 
>> On May 15, 2019, at 9:20 AM, Joseph Salowey <[email protected] 
>> <mailto:[email protected]>> wrote:
>>  
>> The last call has come and gone without any comment.  Please indicate if you 
>> have reviewed the draft even if you do not have issues to raise so the 
>> chairs can see who has reviewed it.  Also indicate if you have any plans to 
>> implement the draft. 
>>  
>> On Tue, Apr 9, 2019 at 8:51 PM Joseph Salowey <[email protected] 
>> <mailto:[email protected]>> wrote:
>>> This is the working group last call for the "TLS 1.3 Extension for 
>>> Certificate-based Authentication with an External Pre-Shared Key” draft 
>>> available at 
>>> https://datatracker.ietf.org/doc/draft-ietf-tls-tls13-cert-with-extern-psk/ 
>>> <https://datatracker.ietf.org/doc/draft-ietf-tls-tls13-cert-with-extern-psk/>.
>>>  Please review the document and send your comments to the list by 2359 UTC 
>>> on 23 April 2019.
>>>  
>>> Thanks,
>>> Chris, Joe, and Sean
> 
> 
> 
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