公开(公告)号：US11455426B2

公开(公告)日：2022-09-27

申请号：US16490485

申请日：2018-01-25

Applicant: LG ELECTRONICS INC.

Inventor： Sangwook Lee ,  Kyusuk Han ,  Junsang Park

IPC: G06F21/62 ,  G06Q50/30 ,  H04L9/32 ,  H04L67/12

Abstract: Disclosed is a vehicle information inquiry method including a logging step of acquiring an event ID for sharing anonymized vehicle information and vehicle travel information corresponding to the event ID from an external device, by a central server, a query step of receiving an inquiry about the event ID and the vehicle travel information corresponding to the event ID from an inquiry server, by the central server, and a responding step of transmitting the vehicle travel information corresponding to the event ID received from the inquiry server to the inquiry server, by the central server.

公开(公告)号：US11449331B2

公开(公告)日：2022-09-20

申请号：US16490514

申请日：2018-01-25

Applicant: LG ELECTRONICS INC.

Inventor： Junsang Park ,  Sangwook Lee ,  Kyusuk Han

IPC: H04L29/06 ,  G06F8/65 ,  G07C5/00 ,  H04L9/32

Abstract: Disclosed is a vehicular update system including a communication device configured to communicate between a server and a controller included in a vehicle, a memory, and a controller configured to, (i) when a public key set including a root public key for verifying a root signature is stored in the memory, acquire the root signature from the server and verify root metadata based on the acquired root signature and the root public key of the public key set pre-stored in the memory, and configured to, (ii) when the public key set is not stored in the memory, acquire, from the server, root metadata including a public key set and a root signature obtained by performing a digital signature on a hash value of the public key set using a root private key, verify the root metadata based on the root public key of the acquired root metadata and the root signature, and store the public key set.

公开(公告)号：US11063751B2

公开(公告)日：2021-07-13

申请号：US16332535

申请日：2017-09-12

Applicant: LG ELECTRONICS INC.

Inventor： Kyusuk Han ,  Hyobin Bae

IPC: H04L9/08 ,  H04L9/32 ,  H04L12/40 ,  H04L29/06

Abstract: A communication system between a plurality of in-vehicle electronic devices protected using a symmetric key method is disclosed. The communication system includes a sender configured to transmit a message including a cyclic authentication code and a group authentication code, and a plurality of receivers configured to separately verify the message based on the cyclic authentication code and the group authentication code at a preset order.