Re: [OAUTH-WG] [UNVERIFIED SENDER] Re: PAR: pushed requests must become JWTs

Benjamin Kaduk <kaduk@mit.edu> Tue, 14 January 2020 04:46 UTC

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Date: Mon, 13 Jan 2020 20:46:27 -0800
From: Benjamin Kaduk <kaduk@mit.edu>
To: Justin Richer <jricher@mit.edu>
Cc: Vladimir Dzhuvinov <vladimir@connect2id.com>, oauth <oauth@ietf.org>, Nat Sakimura <nat@sakimura.org>, "Richard Backman, Annabelle" <richanna=40amazon.com@dmarc.ietf.org>
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Subject: Re: [OAUTH-WG] [UNVERIFIED SENDER] Re: PAR: pushed requests must become JWTs
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On Mon, Jan 13, 2020 at 12:32:41PM -0500, Justin Richer wrote:
> To be clear, I’m not saying we suggest a particular form, and I agree that we shouldn’t specify that “it’s a JWT” or something of that nature. But if we call the result of PAR “thing X” and the target of request_uri “thing X” in JAR, then we’re compatible without saying what “thing X” needs to be in all cases. 
> 

That seems fair.  What properties would a given "thing X" need to have in
order to work, though -- uniqueness over a specific period of time?
Unpredictability?  More?

-Ben