Re: [Ace] Key IDs ... RE: WGLC on draft-ietf-ace-cwt-proof-of-possession-02

2018-06-27 Thread Hannes Tschofenig
Samuel, Jim, We have two cases in ACE-OAuth: 1) Client provides a key (or a reference to a key) to the AS. It wants the AS to include that key into the PoP token. The key is the long version of the key id*. 2) Client asks the AS to get a token. In this case the AS creates a key

Re: [Ace] Key IDs ... RE: WGLC on draft-ietf-ace-cwt-proof-of-possession-02

2018-06-27 Thread Hannes Tschofenig
Hi Jim, It sounds like we need some high bandwidth face-to-face time on this issue in Montreal. This is an interesting issue and IMHO reaches outside the CWT PoP document. Ciao Hannes -Original Message- From: Jim Schaad [mailto:i...@augustcellars.com] Sent: 26 June 2018 18:57 To:

Re: [Ace] Key IDs ... RE: WGLC on draft-ietf-ace-cwt-proof-of-possession-02

2018-06-27 Thread Jim Schaad
From: Samuel Erdtman Sent: Wednesday, June 27, 2018 8:18 AM To: Jim Schaad Cc: Hannes Tschofenig ; Benjamin Kaduk ; Mike Jones ; draft-ietf-ace-cwt-proof-of-possess...@ietf.org; ace@ietf.org Subject: Re: [Ace] Key IDs ... RE: WGLC on draft-ietf-ace-cwt-proof-of-possession-02 Jim,

Re: [Ace] Key IDs ... RE: WGLC on draft-ietf-ace-cwt-proof-of-possession-02

2018-06-27 Thread Samuel Erdtman
Jim, are you saying that if the client can pick the key identifier and if it has seen a key identifier of another client it could request a PoP token with the observed key-id and the observed subject but with an new key. I guess this is a potential scenario that could be worth mentioning in