Fuzzy Extractors are Practical

Amey Shukla from the University of Connecticut presents a novel system for biometric key derivation that closes the long-standing gap between the theory and practice of device-level authentication. The talk introduces a practical fuzzy extractor system, "Zeta then Lock," which, combined with an integrated machine learning feature extractor, achieves 105 bits of entropy with a 92% true accept rate for iris biometrics, overcoming the "more errors than entropy" problem that plagued previous designs.