| CPC G07C 9/257 (2020.01) [G07C 9/10 (2020.01)] | 13 Claims |
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1. A server device comprising:
a memory storing instructions; and
at least one processor configured to execute the instructions to:
manage a database storing a plurality of entries, each of the plurality of entries being associated with each of a plurality of users and including biometric information about each of the plurality of users; and
process an authentication request from each of a plurality of terminals including a gate device at a last stage in a series of procedures with reference to the database, the authentication request being processed using one-to-N collation processing by referring to the plurality of entries in the database,
wherein in response to a first user who has succeeded in authentication passes through the gate device, the at least one processor invalidates an entry of the first user stored in the database, and
wherein an invalidated entry stored in the database is not referred to in the one-to-N collation processing.
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