Samsung Electronics Co., Ltd.

Se-il Kim

Jun-Hyung Kim

Dong-Chan Kim

Dong-Keon Kong

Se-Hoon Kim

Eun-Hui Bae

Mi-suk Huh

Jai-Ick Chun

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.

Method for communication between devices and devices thereof

To solve the problems that may occur due to the leakage of user account information, the present disclosure may manage the security using the device token that is used independently of that of the server, that is generated by a home device, and that can be used for device authentication when a smart phone controls home appliances. With the use of the device token, the present disclosure may solve the problems that the status information of home appliances is exposed by another person or the home appliances are controlled by another person, even though the user account information is leaked.

Authenticating home device using device token issued based on identifier of terminal

Growing community of inventors

Seongnam-si, South Korea

Se-il Kim