A Privacy-Preserving Biometric Authentication System with Binary Classification in a Zero Knowledge Proof Protocol

Quang Nhat Tran, Benjamin Peter Turnbull, Min Wang, Jiankun Hu

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Biometric authentication is, over time, becoming an indispensable complementary component to traditional authentication methods that use passwords and tokens. As a result, the research interest in the protection techniques for the biometric template has also grown considerably. In this paper, we present a light-weight AI-based biometric authentication that operates based on the binary representation of a biometric instance. In details, a binary classifier will be trained using the binary strings that represent the intraclass and interclass biometric subjects. The Support Vector Machine and Multi-layer Perceptron Neural Network are chosen as the classifier to evaluate the fingerprint-based and iris-based authentication capability. Afterward, the authenticated biometric string is fed to a hash function to produce a hash value, which is to be used in a Zero-Knowledge-Proof Protocol for the purpose of privacy preservation. In order to improve the recognition of the classifier, we devise a simple yet efficient strategy to enhance the discriminativeness of the binary strings and name it the Composite Features Retrieval. We evaluated the proposed method with the four publicly available fingerprint datasets FVC2002-DB1, FVC2002-DB2, FVC2002-DB3, and FVC2004-DB2 and the iris dataset UBIRISv1. The promising performance shows this method's capability.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalIEEE Open Journal of the Computer Society
Volume3
DOIs
Publication statusPublished - 2022
Externally publishedYes

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