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Privacy Enhancing Technologies in Biometrics

Privacy Enhancing Technologies in Biometrics
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Author(s): Patrizio Campisi (Università degli Studi Roma TRE, Italy), Emanuele Maiorana (Università degli Studi Roma TRE, Italy)and Alessandro Neri (Università degli Studi Roma TRE, Italy)
Copyright: 2010
Pages: 22
Source title: Handbook of Research on Computational Forensics, Digital Crime, and Investigation: Methods and Solutions
Source Author(s)/Editor(s): Chang-Tsun Li (University of Warwick, UK)
DOI: 10.4018/978-1-60566-836-9.ch001

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Abstract

The wide diffusion of biometric based authentication systems, which has been witnessed in the last few years, has raised the need to protect both the security and the privacy of the employed biometric templates. In fact, unlike passwords or tokens, biometric traits cannot be revoked or reissued and, if compromised, they can disclose unique information about the user’s identity. Moreover, since biometrics represent personal information, they can be used to acquire data which can be used to discriminate people because of religion, health, sex, gender, personal attitudes, and so forth. In this chapter, the privacy requirements, the major threats to privacy, and the best practices to employ in order to deploy privacy sympathetic systems, are discussed within the biometric framework. An overview of state of the art on privacy enhancing technologies, applied to biometric based authentication systems, is presented.

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