Abstract
We analyze the model where the outcomes of biometric measurements of a person are expressed by a ternary vector whose components equal to a special symbol * are considered as information that the corresponding parameters are non–significant. The 0 and 1 components show the types of significant parameters.
The authentication of a person on the basis on significant parameters is reduced to the decoding of data transmitted over a binary–input and ternary–output channel. A special authentication algorithm that differs from the maximum likelihood decoding and forces an attacker to use the so–called “fair gambling strategy” is proposed.
This work was partially supported by the DFG.
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Balakirsky, V.B., Vinck, A.J.H. (2011). Biometric Authentication Based on Significant Parameters. In: Vielhauer, C., Dittmann, J., Drygajlo, A., Juul, N.C., Fairhurst, M.C. (eds) Biometrics and ID Management. BioID 2011. Lecture Notes in Computer Science, vol 6583. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-19530-3_2
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DOI: https://doi.org/10.1007/978-3-642-19530-3_2
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