Re: [OAUTH-WG] Guidance for which key to use for JWE encryption? (draft-ietf-oauth-jwsreq-19)

Filip Skokan <panva.ip@gmail.com> Fri, 26 July 2019 12:07 UTC

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From: Filip Skokan <panva.ip@gmail.com>
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Date: Fri, 26 Jul 2019 14:07:02 +0200
Cc: Танги Ле Пенс <tangui.lepense=40mail.ru@dmarc.ietf.org>, oauth <OAuth@ietf.org>
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To: Brian Campbell <bcampbell=40pingidentity.com@dmarc.ietf.org>
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Subject: Re: [OAUTH-WG] Guidance for which key to use for JWE encryption? (draft-ietf-oauth-jwsreq-19)
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Any use:enc, without “use” or “key_ops” or keyops:encrypt/deriveKey that works with a supported algorithm, or one with the JWA “alg”. 

Odesláno z iPhonu

26. 7. 2019 v 14:01, Brian Campbell <bcampbell=40pingidentity.com@dmarc.ietf.org>:

> I'd say this one->* any "enc" key published by the AS on its jwks_uri?
> 
>> On Thu, Jul 25, 2019 at 3:50 PM Танги Ле Пенс <tangui.lepense=40mail.ru@dmarc.ietf.org> wrote:
>> Dear all,
>> 
>> draft-ietf-oauth-jwsreq-19 gives guidance on which key use to verify a 
>> JWS' signature (the client's key) 
>> (https://tools.ietf.org/html/draft-ietf-oauth-jwsreq-19#section-6.2).
>> 
>> However there no such guidance for JWE encryption:
>> 
>> * any "enc" key published by the AS on its jwks_uri?
>> 
>> * one specific key of the ones listed at the server's jwks_uri? If so, 
>> how to indicate which one in particular?
>> 
>> * out-of-band configuration?
>> 
>> And should it be part of the specification?
>> 
>> Regards,
>> 
>> -- 
>> 
>> Tangui
>> 
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