A Simple Auditable Fingerprint Authentication Scheme Using Smart-Contracts

Xiaohu Zhou, Yousif Hafedh, Yonghao Wang, Vitor Jesus*

*Corresponding author for this work

Research output: Chapter in Book/Published conference outputChapter

Abstract

Biometric authentication, and notably using fingerprints, are now common. Despite its usability, biometrics have however a caveat which is the impossibility of revocation: once the raw fingerprint is breached, and depending on the technology of the reader, it is impossible to stop an illegitimate authentication. This places a focus on auditing both to detect fraud and to have clear indications that the fingerprint has been breached. In this paper we show how to take advantage of the immutability property of Blockchains to design an auditable protocol based on Diffie-Hellman key exchange with applications to fingerprint authentication.
Original languageEnglish
Title of host publicationSmart Blockchain
Subtitle of host publicationSmartBlock 2018
EditorsM. Qiu
PublisherSpringer
Pages86–92
ISBN (Electronic)978-3-030-05764-0
ISBN (Print)9783030057633
DOIs
Publication statusPublished - 7 Dec 2018

Publication series

NameLecture Notes in Computer Science
PublisherSpringer
Volume11373

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