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

Claim 6:
7. The vehicle digital key sharing service method of claim 1, further comprising a step of deleting or changing a shared digital key through a dedicated application, wherein the step of deleting or changing the digital key comprises: checking, by a master terminal, a digital key sharing list through the dedicated application; performing a primary authentication process for a door key sharing service using an identity verification means stored in a secure world through the dedicated application of the master terminal; performing a secondary authentication process for a door key sharing service using a compound authentication method in which authentication is performed via an identity verification means in the management server through the dedicated application of the master terminal;
receiving, by the master terminal, a request signal for deleting or changing a predetermined digital key in the digital key sharing list and requesting the management server to delete or change the corresponding digital key; and changing or deleting, by the management server, a digital key of a shared terminal which has shared a digital key requested to be deleted or changed.