Protecting Secret Keys with Fuzzy Fingerprint Vault Based on a 3D Geometric Hash Table

  • Authors:
  • Sungju Lee;Daesung Moon;Seunghwan Jung;Yongwha Chung

  • Affiliations:
  • Department of Computer and Information Science, Korea University, Korea;Biometrics Technology Research Team, ETRI, Daejeon, Korea;Department of Computer and Information Science, Korea University, Korea;Department of Computer and Information Science, Korea University, Korea

  • Venue:
  • ICANNGA '07 Proceedings of the 8th international conference on Adaptive and Natural Computing Algorithms, Part II
  • Year:
  • 2007

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Abstract

Biometrics-based user authentication has several advantages over traditional password-based systems for standalone authentication applications such as home networks. This is also true for new authentication architectures known as crypto-biometricsystems, where cryptography and biometrics are merged to achieve high security and user convenience at the same time. Recently, a cryptographic construct, called fuzzy vault, has been proposed for crypto-biometric systems. In this paper, we propose an approach to provide both the automatic alignment of fingerprint data and higher security by using a 3D geometric hash table. Based on the experimental results, we confirm that the proposed approach of using the 3D geometric hash table with the idea of the fuzzy vaultcan perform the fingerprint verification securely even with one thousand chaff data included.