Patent ID: 8819415

Claim:
A method of authenticating a Personal Network Entity (PNE), comprising: transmitting, by a Personal Network GateWay (PN GW) a PNE serial number (SN PNE ) to a Converged Personal Network Service (CPNS) server; storing, by the PN GW, an authentication value chain of a PNE received from the CPNS server and an inherent assignment key (TK PNE ) that is secret information of a corresponding PNE; encrypting, by the PN GW, a selected authentication value from among the authentication value chain by using the TK PNE ; transmitting, by the PN GW, the encrypted authentication value to the corresponding PNE so that the encrypted authentication value is stored in the corresponding PNE; and performing, by the PN GW, an authentication procedure between the corresponding PNE and the CPNS server by using the encrypted authentication value stored in the corresponding PNE.