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unit test fixes openid4vp update/siop clean up
… for attestation-based authentication
… for improved key management
vkanellopoulos
approved these changes
Dec 4, 2025
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Summary
Introduces support for Wallet Instance Attestation (WIA) and Wallet Unit Attestation (WUA), enabling attestation-based client authentication with OpenID4VCI issuers per EUDI Wallet specifications.
Update OpenId4Vp library to 0.12.0
New Features
Wallet Provider Integration (
eu.europa.ec.eudi.wallet.providerpackage)WalletAttestationsProvider- Interface for retrieving WIA (client auth) and WUA (key attestation) from Wallet Provider backendsWalletKeyManager- Manages cryptographic keys for attestation, with default Android Keystore implementationWalletAttestationKey- Represents attestation keys with signing capabilitiesDefaultWalletKeyManager- Android Keystore-backed implementation usingnoBackupFilesDirfor secure storageSecureAreaWalletKeyManager- Generic SecureArea-based implementationWalletKeyManager
withWalletKeyManager()Client Authentication
Breaking changes
OpenId4VciManagerit is now mandatory to setwithClientAuthenticationTypeeither withOpenId4VciManager.ClientAuthenticationType.AttestationBasedor
OpenId4VciManager.ClientAuthenticationType.None("wallet-dev").OpenId4VciManager.ClientAuthenticationType.AttestationBased, an instance ofWalletAttestationsProviderhas to be set during theEudiWalletinstantiation.withClientId("wallet-dev")has been removed, use 1 of the above 2 configurations.