VeriPriv: a privacy preserving attribute verification protocol for decentralized authentication.

Authors

Mohammed Alshawki, Yuping Yan, Fatemeh Stodt, Christoph Reich, Peter Ligeti

Published in

Cluster computing. Volume 29. Issue 15. Pages 874. Epub Oct 22, 2026.

Abstract

Attribute-based verification becomes more and more popular compared with identity-based authentication from the privacy point of view. Users can be authenticated by pieces of attributes rather than the whole identity. Attribute-based anonymous credential systems enable a user to prove possession of a given set of attributes to a verifier, without revealing information about other attributes. However, the challenge lies in how to securely prove the possession of attributes. In our paper, we propose a decentralized zero-knowledge protocol for attribute verification. There are three attribute verification modes, namely 1-out-of-n, n-out-of-n, and the Combined Verification Mode. The first two modes represent the "OR" and "AND" gates, while the Combined Verification Mode supports an OR of non-empty groups of AND attributes. We prove the security properties of the protocol in the security analysis. Meanwhile, we also outline some of the use-cases and applications of the proposed protocol, such as Internet of Things(IoT), federated learning and data validation.

PMID:
42920744
Bibliographic data and abstract were imported from PubMed on 24 Oct 2026.

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