Selective disclosure of claims from multiple digital credentials

• URL: http://arxiv.org/abs/2402.15447v2
• Date: Thu, 23 May 2024 11:26:39 GMT
• Title: Selective disclosure of claims from multiple digital credentials
• Authors: Šeila Bećirović Ramić, Irfan Prazina, Damir Pozderac, Razija Turčinhodžić Mulahasanović, Saša Mrdović,
• Abstract summary: This paper presents a novel approach to selective disclosure that combines Merkle hash trees and Boneh-Lynn-Shacham signatures. Besides selective disclosure, we enable issuing credentials signed by multiple issuers using this approach.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Digital credentials represent a cornerstone of digital identity on the Internet. To achieve privacy, certain functionalities in credentials should be implemented. One is selective disclosure, which allows users to disclose only the claims or attributes they want. This paper presents a novel approach to selective disclosure that combines Merkle hash trees and Boneh-Lynn-Shacham (BLS) signatures. Combining these approaches, we achieve selective disclosure of claims in a single credential and creation of a verifiable presentation containing selectively disclosed claims from multiple credentials signed by different parties. Besides selective disclosure, we enable issuing credentials signed by multiple issuers using this approach.

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