Patent ID: 11968525
Assignee: KSMARTECH CO., LTD
Field: Digital communication (Electrical engineering)
Classification: CPC H  B  G | IPC B  G  H

Claim 8:
9. A vehicle digital key sharing service system comprising:
a management server configured to manage registration, issuance, and disposal of a digital key for a digital key sharing service including locking and unlocking of a door of a vehicle device;
a mobile terminal configured to receive a terminal digital key issued through authentication by the authentication server, store the terminal digital key in a secure world, and share the digital key with a shared terminal by setting an authority restriction;
the vehicle device configured to receive a vehicle digital key issued through authentication by the management server and store the vehicle digital key therein;
wherein the mobile terminal includes a master terminal configured to set restriction on unlock authority for the vehicle device through identification verification and authentication in response to receiving an input selection of a menu for sharing a digital key through a dedicated application and share a digital key to which a restriction value is applied with a shared terminal and the shared terminal configured to share the digital key with the master terminal; and
wherein: the master terminal forwards the digital key to the shared terminal via the management server or directly accesses the shared terminal to forward the digital key to the shared terminal in a short-range wireless communication manner when the digital key to which the restriction value is applied is shared with the shared terminal and the restriction value includes a usable period, the number of usable times, a usable area, and re-sharable information.