[Openid-specs-ab] Issue #1544: Requesting multiple credentials (openid/connect)

[David Chadwick]

New issue 1544: Requesting multiple credentials
https://bitbucket.org/openid/connect/issues/1544/requesting-multiple-credentials

David Chadwick:

An issuer may issue multiple credentials to its users e.g. a bank issues Visa and Mastercards, a university issues multiple types of degree certificates to students. The current spec allows the issuer to publish these different types in its metadata, but the protocol requires the client to make multiple round trips in order to retrieve the credentials.

It is more efficient for the wallet to make a request for multiple credentials in one request to the credential endpoint rather than multiple requests. This can be achieved by allowing the request argument to be a set of the current set of parameters.