PDL ABSTRACT

Secure Continuous Biometric-Enhanced Authentication

Carnegie Mellon University Technical Report CMU-CS-00-134, May 2000.

Andrew J. Klosterman and Gregory R. Ganger

Dept. of Electrical and Computer Engineering
Carnegie Mellon University
Pittsburgh, PA 15213

http://www.pdl.cmu.edu/

Biometrics have the potential to solidify person-authentication by examining "unforgeable" features of individuals. This paper explores issues involved with effective integration of biometric-enhanced authentication into computer systems and design options for addressing them. Because biometrics are not secrets, systems must not use them like passwords; otherwise, biometric-based authentication will reduce security rather than increase it. A novel biometric-enhanced authentication system, based on a trusted camera that continuously uses face recognition to verify identity, is described and evaluated in the context of Linux. With cryptographically-signed messages and continuous authentication, the difficulty of bypassing desktop authentication can be significantly increased.

FULL PAPER: pdf / postscript

 

 

 

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