Authentication method and system KU Leuven
The present invention relates to an authentication method comprising an enrolment stage comprising: o receiving fuzzy data from a noisy authentication factor, and fixed authentication data, o generating a secret string independently from said received fuzzy data and said received fixed authentication data, o deriving metadata from the fuzzy data and the secret string and helper data from the secret string and the metadata, o encrypting the helper data using the fixed authentication data as encryption key, o outputting the encrypted helper data as public data, and an authentication stage ...