[Openid-specs-ab] Issue #1600: OP Metadata Basic Information (openid/connect)

[Thomas Bellebaum]

New issue 1600: OP Metadata Basic Information
https://bitbucket.org/openid/connect/issues/1600/op-metadata-basic-information

Thomas Bellebaum:

OpenID4VCI defines new OP Metadata to convey a display name \(in multiple languages\) for the issuer. This mechanism may be of independent interest to retrieve information about an OAuth 2.0 Authorization Server or an OpenID Provider.

There are also some other values which one might like to include here. Ideas:

* A logo for the OP
* A preferred “Login with X” graphic
* A link to the identity provider’s homepage
* …

Note the similarity of some of these to the client metadata values `logo_uri` or `client_uri`. In fact, some values like `policy_uri` already have analogues in the server metadata \(`op_policy_uri`\).

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