There are no plans to introduce client registration metadata for DPoP - the
requirement to use DPoP is more of a property of a resource so I don't
think registration metadata for a client fits very well.


On Tue, Oct 26, 2021 at 8:53 AM Dmitry Telegin <dmitryt=
[email protected]> wrote:

> For dynamically registered clients, there is currently no way to indicate
> the intention to use DPoP. Hence, it's completely up to the AS whether to
> enforce DPoP or not on such clients (for example, using client registration
> policies).
>
> Seems like there is no common approach here; for example, RFC 8705 (OAuth
> 2.0 Mutual-TLS Client Authentication and Certificate-Bound Access Tokens)
> does define client registration metadata (see section 9.5), whilst RFC 7636
> (PKCE) does not. I guess this is due to PKCE being initially conceived as a
> feature that would become mandatory in OAuth 2.1.
>
> Are there any plans to introduce client registration metadata for DPoP?
>
> Regards,
> Dmitry
> Backbase
>
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>

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