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A comment on Fake fingerprints can imitate real ones in biometric systems. Parent comment

Re:Fake fingerprints can imitate real ones in biometric systems by Phemist on Thursday November 15, 2018 @05:01PM (#18463852)
Re the hash value. Are you aware of fuzzy commitment[1]? It is a crypto scheme for protecting and/or deriving encryption keys from data that is subject to noise (such as in biometrics). If you can derive encryption keys, you can also derive hashes.

[1] https://dl.acm.org/citation.cfm?id=319714

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