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1. (WO2018016713) METHOD FOR SECURITY OF USER EQUIPMENT CONNECTION IDENTIFIER IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

Pub. No.:    WO/2018/016713    International Application No.:    PCT/KR2017/002935
Publication Date: Fri Jan 26 00:59:59 CET 2018 International Filing Date: Tue Mar 21 00:59:59 CET 2017
IPC: H04W 12/08
H04W 12/10
H04W 12/04
Applicants: LG ELECTRONICS INC.
엘지전자(주)
Inventors: KIM, Joonwoong
김준웅
Title: METHOD FOR SECURITY OF USER EQUIPMENT CONNECTION IDENTIFIER IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR
Abstract:
A method for security of a user equipment (UE) identifier used when a network connection is established in a wireless communication system according to an embodiment of the present invention may comprise the steps of: transmitting, to a mobile network operator (MNO), a request for a temporary key used to encrypt the identifier and a ticket for authenticating the authority to access the identifier; receiving the temporary key and the ticket from the MNO; verifying the validity of the ticket; transmitting the ticket to a pseudonym certification authority (PCA) when the ticket is valid; receiving, from the PCA, a subpool which corresponds to the ticket and is encrypted using the temporary key, wherein the encrypted subpool includes a pair of the identifier and the encryption key; and acquiring the identifier by decrypting the encrypted identifier subpool using the temporary key.