ETSI 119 476-3 : Electronic Signatures and Trust Infrastructures (ESI); Selective disclosure and zero-knowledge proofs applied to Electronic Attestation of Attributes; Part 3: EUDI Wallet Unit Attestation (WUA) and Wallet Instance Attestation (WIA)

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Formal name

ETSI 119 476-3 : Electronic Signatures and Trust Infrastructures (ESI); Selective disclosure and zero-knowledge proofs applied to Electronic Attestation of Attributes; Part 3: EUDI Wallet Unit Attestation (WUA) and Wallet Instance Attestation (WIA)

Overview

Specify the following:

• The transfer of WUAs and WIAs between the EUDIW and the issuing party (i.e., either PID Provider or Attestation Provider).
• The format of WUAs and WIAs including its encoding and integrity protection mechanism.
• The content of WUAs and WIAs.
• The life cycle of WUAs and WIAs.
• The revocation mechanism for WUAs and WIAs.

Work Plan

• ETSI: https://portal.etsi.org/webapp/WorkProgram/Report_WorkItem.asp?WKI_ID=74932
• The EC is following up with ETSI on the development of this standard, as a continuant to the publication of EC TS03.

Updates

• ETSI, 2025-12-09: Proposed work item to produce of interim version Q1 2026.

Alerts

There are no open alerts.

References

ETSI: https://portal.etsi.org/webapp/WorkProgram/Report_WorkItem.asp?WKI_ID=74932