OIDC Federation

Hierarchical OIDC federation for eIDAS 2.

Definition

OIDC Federation uses Entity Statements (JWT signed by each entity) linked into a Trust Chain back to a common Trust Anchor. Dynamic metadata discovered via /.well-known/openid-federation endpoint. Trust Marks for specific qualifications. Strong adoption EU eIDAS 2 EUDIW (EU Digital Identity Wallet), Italian SPID, Sweden BankID infrastructure modernization.

Origin

OpenID Foundation, draft 2017, version 1.0 final December 2023.

Usage

EU Digital Identity Wallet (EUDIW) eIDAS 2 selects OIDC Federation as reference federation framework.

Related terms

• OIDC — standard base.
• eIDAS 2 EUDIW — cas usage flagship.
• Trust Chain — concept central.