Re: [Lake] FW: New Version Notification for draft-selander-lake-edhoc-01.txt

John Mattsson <john.mattsson@ericsson.com> Sun, 15 March 2020 18:12 UTC

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From: John Mattsson <john.mattsson@ericsson.com>
To: Michael Richardson <mcr+ietf@sandelman.ca>
CC: "lake@ietf.org" <lake@ietf.org>
Thread-Topic: [Lake] FW: New Version Notification for draft-selander-lake-edhoc-01.txt
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Date: Sun, 15 Mar 2020 18:12:11 +0000
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Subject: Re: [Lake] FW: New Version Notification for draft-selander-lake-edhoc-01.txt
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Michael Richardson <mcr+ietf@sandelman.ca> wrote    
    
>I might need a glossy photos with circles and arrows and a paragraph on the
>back, but I think I understand.

I hope to provide a nice slides during the virtual interim. It allows the Initiator to authenticate with a certificate with a signature key while the Responder authenticates with a RPK containing a DH key, or vice versa.
    
>> - Party U and V were renamed Initiator and Responder.
>
>IKEv2 gets into this silly terminology where it winds up having an "Initial Initiator"
>due to the way that it rekeys and some other considerations.  Let's not repeat that.
>I kinda liked U/V myself.

That's a good point. Currently the document have nothing of that, but maybe we would slip into such things in the future when taking about resumption...  We changed as we got a comment that Initiator and Responder may be easier to understand. I am fine with changing back to some fixed names like U/V, Alice/Bob, or something else. 

BTW, One change I forgot to mention is:

- As required by the LAKE requirements, the set of cryptographic algorithms used in the EDHOC and OSCORE are now independent of each other. For example, this allows for different tag lengths to be used in EDHOC and OSCORE.