公开(公告)号：US20170150349A1

公开(公告)日：2017-05-25

申请号：US15319537

申请日：2015-06-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mi-suk HUH ,  Hee-kwan LEE ,  Seog-chung SEO

IPC: H04W12/04 ,  H04L9/32 ,  H04W12/06

CPC classification number: H04W12/04 ,  H04L9/3242 ,  H04L63/123 ,  H04L2209/80 ,  H04W12/003 ,  H04W12/06 ,  H04W12/10

Abstract: Provided is a method, performed by a first device, of sharing a key, the method including: determining a communication method for exchanging a key between the first device and a second device, based on pre-set channel ranking information; receiving a key of the second device from the second device by using the determined communication method; and authenticating the received key of the second device.

公开(公告)号：US20170208045A1

公开(公告)日：2017-07-20

申请号：US15468567

申请日：2017-03-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Mi-suk HUH ,  Hee-kwan LEE ,  Kwang-pyo CHOI ,  Chan-yul KIM ,  Seog-chung SEO

IPC: H04L29/06 ,  H04L9/14 ,  H04L9/32 ,  H04L9/08 ,  H04L9/30

CPC classification number: H04L63/0428 ,  H04L9/0822 ,  H04L9/0825 ,  H04L9/0841 ,  H04L9/0861 ,  H04L9/14 ,  H04L9/30 ,  H04L9/3242 ,  H04L9/3247 ,  H04L63/061 ,  H04L63/0869

Abstract: The present disclosure relates to technologies for a sensor network, machine-to-machine (M2M) communication, machine type communication (MTC), and an Internet of Things (IoT) network. The present disclosure may be used in intelligence services based on such technologies (smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail business, and security and safety-related services). Provided is a method of transmitting encrypted data for preventing identification of transmitting and receiving devices, from a first device to a second device, the method including: generating an encryption key for encrypting data; generating key identification information by using the generated encryption key and encrypting the data; and transmitting a data set including the encrypted data and the key identification information to the second device.

公开(公告)号：US20180227279A1

公开(公告)日：2018-08-09

申请号：US15747184

申请日：2016-07-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Se-il KIM ,  Dong-chan KIM ,  Mi-suk HUH

IPC: H04L29/06 ,  H04L9/14 ,  H04W12/04 ,  H04L9/08

Abstract: Disclosed is a method of performing, by a first device, short-range wireless communication with a second device, the method including receiving, from the second device, second authentication information encrypted using first authentication information of the first device, decrypting the encrypted second authentication information by using the first authentication information, determining a secret key based on the decrypted second authentication information, and performing communication between the first device and the second device by using the determined secret key.

公开(公告)号：US20180192460A1

公开(公告)日：2018-07-05

申请号：US15740069

申请日：2016-05-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Mi-suk HUH

IPC: H04W76/14 ,  H04W76/23 ,  H04W8/00 ,  H04W92/18 ,  H04W88/04 ,  H04W12/04 ,  H04W4/02

CPC classification number: H04W76/14 ,  H04W4/023 ,  H04W8/005 ,  H04W12/003 ,  H04W12/00503 ,  H04W72/0406 ,  H04W76/10 ,  H04W76/23 ,  H04W84/18 ,  H04W88/02 ,  H04W88/04 ,  H04W92/18

Abstract: A method performed by a first device to establish a connection to a second device includes: obtaining identification information of the second device by using a first communication method; obtaining the identification information of the second device by using a second communication method; obtaining first distance information regarding the second device based on characteristics of the first communication method and the second communication method; and determining whether to transmit a connection request to the second device based on the obtained first distance information.