An Information-Theoretic Analysis of Revocability and Reusability in Secure Biometrics

Secure biometric systems are designed to allow authentication without requiring a reference biometric sample to be stored in the clear at the access control device. Instead, a template extracted from the reference biometric is stored on the device. An enrolled user can be authenticated by the template combined with a legitimate test biometric. However, an attacker who infiltrates the device only discovers the template, which reveals little or no information about the true biometric.

Provided by: Mitsubishi Electric Research Laboratories Topic: Security Date Added: Feb 2011 Format: PDF

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