Honda Motor Co., Ltd.
Onboard authentication device, authentication method, and storage medium

Abstract:

An onboard authentication device (60) includes: a communication unit (62) configured to receive key information; an existing electronic key determining unit (65C) configured to determine whether the key information received by the communication unit matches registered information; and an execution unit (65D, 65F) configured to execute a registration process of registering a second electronic key in the onboard authentication device or an invalidation process of invalidating the first electronic key registered in the onboard authentication device at a first time in a case that the existing electronic key determining unit determines the received key information matches the key information of the first electronic key and to execute the registration process or the invalidation process at a second time later than the first time in a case that the existing electronic key determining unit determines the received key information does not match the key information of the first electronic key.