Computer Science – Cryptography and Security
Scientific paper
2010-08-04
Computer Science
Cryptography and Security
This article represents the full paper of a short version to appear in the Proceedings of BIOSIG 2010 (copyright of Gesellscha
Scientific paper
The fuzzy vault is an error tolerant authentication method that ensures the privacy of the stored reference data. Several publications have proposed the application of the fuzzy vault to fingerprints, but the results of subsequent analyses indicate that a single finger does not contain sufficient information for a secure implementation. In this contribution, we present an implementation of a fuzzy vault based on minutiae information in several fingerprints aiming at a security level comparable to current cryptographic applications. We analyze and empirically evaluate the security, efficiency, and robustness of the construction and several optimizations. The results allow an assessment of the capacity of the scheme and an appropriate selection of parameters. Finally, we report on a practical simulation conducted with ten users.
Ihmor Heinrich
Korte Ulrike
Merkle Johannes
Niesing Matthias
Schwaiger Michael
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