Security of Biometric Authentication Systems -- Extended Version
A full version of the paper presented at conference Computer Information Systems and Industrial Management Applications 2010 June 2010, 27 pages.
Available as Postscript,
This technical report outlines our views of actual security
of biometric authentication and encryption systems.
The attractiveness of some novel approaches like cryptographic key
generation from biometric data is in some respect understandable,
yet so far has lead to various shortcuts and compromises on
The report starts with an introductory section that is followed by a
section about variability of biometric characteristics, with a
particular attention paid to biometrics used in large systems.
The following sections then discuss the potential for biometric
authentication systems, and for the use of biometrics in support of
cryptographic applications as they are typically used in computer