Patent ID: 9509515
Filing Date: 2016-11-29
CPC Classification: H04L,H04W

Claim Text:
1. A method for registering a 1st device-to-device (D2D) communication device in a server, the method comprising: transmitting, by the 1st D2D communication device, digital signature information of the 1st D2D communication device to a mobile terminal via D2D communication; receiving, by the 1st D2D communication device, when the digital signature information is successfully authenticated in the server, server public encryption information, from the mobile terminal via D2D communication; and transmitting, by the 1st D2D communication device, device information of the 1st D2D communication device, which is encrypted using the server public encryption information, to the server, and registering the 1st D2D communication device in the server.