Systematic Construction of Iris-Based Fuzzy Commitment Schemes

As a result of the growing interest in biometrics a new field of research has emerged entitled Biometric Cryptosystems . Only a small amount of work, which additionally tends to be custom-built according to the specific application context, has been published in this area. This work provides a systematic treatment of how to construct biometric cryptosystems based on iris biometrics. A cryptographic primitive called Fuzzy Commitment Scheme is adopted to different types of iris recognition algorithms to hide and retrieve a cryptographic key in and out of a biometric template. Experimental results confirm the soundness of the approach.

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