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A hash-based scheme for the protection of user information in biometric systems

  • Qi Han*
  • , Qiong Li
  • , Yuridia Gonzalez
  • , Xia Mu Niu
  • *Corresponding author for this work
  • Fraunhofer Institute for Computer Graphics Research
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

The issue of the protection of user biometric templates is an important part of the biometric system security. A hash-based scheme for the protection of user information is investigated from the point of view of one-way function. By involving an adaptive non-uniform quantizing template, the contradiction between the fuzziness of the biometric information and the sensitivity of the hash function has been solved. Then a protecting scheme based on hash function is implemented which avoids the storage of user biometric images or templates direct. The analysis of the quantizing template and the hash function demonstrates the security of the scheme, and the simulation shows the feasibility of the scheme.

Original languageEnglish
Pages (from-to)2331-2335
Number of pages5
JournalTien Tzu Hsueh Pao/Acta Electronica Sinica
Volume33
Issue numberSUPPL.
StatePublished - Dec 2005

Keywords

  • Biometric recognition
  • Hash function
  • Quantizing template
  • Security of user information

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