@startuml participant WalletInstance as "Wallet Instance" participant CV as "Relying Party" participant TA as "Trust Anchor / Intermediate" WalletInstance ->> CV: request a protected resource CV -->> WalletInstance: signed credential presentation request WalletInstance ->> WalletInstance: decode and evaluates the request alt If Trust Chain is provided within the request and no internet connection WalletInstance ->> WalletInstance: statically validate the Trust Chain using Trust Anchor's public keys else WalletInstance ->> CV: Fetch RP's Entity Configuration\n at .well-known/openid-federation CV ->> WalletInstance: Return Entity Configuration WalletInstance ->> CV: Extract Authority Hints from RP's Configuration CV ->> WalletInstance: Provide Authority Hints loop for each Authority Hint WalletInstance ->> TA: Fetch Entity Configuration -> get federation_fetch_api URL TA ->> WalletInstance: Fetch Subordinate Statement WalletInstance ->> WalletInstance: Validate the previous statement\nusing the Federation Entity Keys\nprovided in the Subordinate Statement end end WalletInstance ->> WalletInstance: Validate Trust Chain alt If Trust Chain is valid and unexpired WalletInstance ->> WalletInstance: Proceed with Federation Process else WalletInstance ->> WalletInstance: Abort Process with Error end WalletInstance ->> WalletInstance: Applies Policies WalletInstance ->> WalletInstance: Derive RP's final metadata @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art