Slice-based architecture for biometrics: prototype illustration on privacy preserving voice verification

  • Authors:
  • Bon K. Sy

  • Affiliations:
  • Computer Science Department, Queens College and University Graduate Center, City University of New York, NY

  • Venue:
  • BTAS'09 Proceedings of the 3rd IEEE international conference on Biometrics: Theory, applications and systems
  • Year:
  • 2009

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Abstract

This research investigates slice-based architecture for biometrics. A service slice is an aggregation of resources for a specific biometric objective; e.g., speaker verification. Slice-based architecture is attractive as a framework for modeling service-oriented biometric applications. In order for it to be usable, slice-based architecture must adequately address privacy, security, and standard based interoperability. We propose to incorporate secure computation mechanism and BioAPI standard into slice-based architecture. We discuss why secure computation is information-theoretic secure, and how it can be used to realize a private computation for the exchange of biometric data between two parties in slice-based architecture. For proof-of-concept, open source software is developed for realizing a privacy preserving voice verification prototype based on slice-based architecture, and will be released for experimentation by the public. The result of our initial experimentation is reported.