1. A secure pattern recognition method comprising: (a) receiving data and generating a probe by converting the received data into a template for pattern recognition; (b) accessing a gallery that is a template registered and stored in advance; (c) determining a region to which the probe belongs and obtaining a region associated value from the region; and (d) determining whether or not the probe and the gallery are classified into the same class by comparing the probe and the gallery using the region associated value.