Patent ID: 8887253

Claim:
A method of operating a converged personal network service (CPNS) gateway apparatus for assigning a CPNS user key to a terminal, the method comprising: transmitting a registration request message including user information to a server; transmitting an installation request message including the user information to the terminal; generating a trigger message including first authentication data; transmitting the trigger message including the first authentication data to the terminal; receiving a key assignment request message including second authentication data from the terminal in response to the trigger message, wherein the key assignment request message is received according to an evaluation result of the trigger message including the first authentication data, and the second authentication data is generated on the basis of the user information; transmitting the received key assignment request message to the server; receiving a key assignment response message including a user key for the terminal from the server in response to the key assignment request message, wherein the key assignment response message is received according to an evaluation result of the second authentication data using the user information in the server; and transmitting the received key assignment response message to the terminal.