公开(公告)号：US20190222561A1

公开(公告)日：2019-07-18

申请号：US16245395

申请日：2019-01-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Younghun JEONG ,  Intae JEON ,  Jiyeon CHOI

IPC: H04L29/06 ,  H04W12/00

CPC classification number: H04L63/0428 ,  H04L63/0876 ,  H04W12/0013

Abstract: A user terminal device is provided. The user terminal device includes a storage configured to store identification information of an external electronic device sharing a predetermined encryption scheme; a communicator comprising communication circuitry; and a processor configured to control the user terminal device to: encrypt a request input in an encryption mode based on the predetermined encryption scheme, transmit the encrypted request including the identification information of the electronic device to an external server through the communicator, and decrypt and provide an encrypted response based on the predetermined encryption scheme, based on the encrypted response to the encrypted request being obtained from the server.