Our work focuses on privacy-preserving biometric identification.
The goal is to enable biometric identification of
the sort described above without revealing any information
about the client’s biometric data to the server, and without
disclosing anything about the database to the client (other
than the closest match, if within distance e, or the nonexistence
of any close match). We assume both parties are
semi-honest; namely, they are assumed to execute the protocol as specified but may try to learn additional information
from the transcript of the protocol execution.