Secure sketches for protecting biometric templates

Yagiz Sutcu, Qiming Li, Nasir Memon

Research output: Chapter in Book/Report/Conference proceedingChapter


As biometric technologies are becoming pervasive, it is imperative to protect the users of these technologies from misuse of their biometric data. However, unlike user credentials in traditional security systems, such as passwords or tokens, biometric features cannot be consistently sampled, and the matching process can be complex. Furthermore, the consequences of losing biometric data can be far more severe than passwords or tokens. Secure sketches, a recently developed cryptographic primitive, allow noisy data to be restored using some helper-data, while providing bounds on how much sensitive information such helper-data would reveal when obtained by malicious parties. In this chapter, we discuss security threats on the use of biometric templates in security systems, and how secure sketches can be used to address these threats under various circumstances.

Original languageEnglish (US)
Title of host publicationSecurity and Privacy in Biometrics
PublisherSpringer-Verlag London Ltd
Number of pages36
ISBN (Electronic)9781447152309
ISBN (Print)9781447152293
StatePublished - Jan 1 2013

ASJC Scopus subject areas

  • General Computer Science


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