AUTHENTICATION APPARATUS, AUTHENTICATION METHOD, AND COMPUTER PROGRAM AND RECORDING MEDIUM APPLIED TO SAME

摘要

Disclosed are an authentication apparatus, an authentication method, and a computer program and a recording medium applied to the same. According to the present invention, the authentication apparatus which is included in a user device or connected to a user device includes a memory and at least one processor. The processor specifies changed information when use information of the user device is changed by the use of the user device by a user or by an external factor which is not the use by the user, and generates information for authentication based on the changed information.;COPYRIGHT KIPO 2019