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1. (WO2017155704) WWAN-WLAN AGGREGATION SECURITY

Pub. No.:    WO/2017/155704    International Application No.:    PCT/US2017/019203
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Fri Feb 24 00:59:59 CET 2017
IPC: H04W 12/08
H04W 36/14
H04W 36/00
H04W 84/04
H04W 12/06
Applicants: QUALCOMM INCORPORATED
Inventors: PALANIGOUNDER, Anand
MALINEN, Jouni
Title: WWAN-WLAN AGGREGATION SECURITY
Abstract:
One feature pertains to a method for secure wireless communication at an apparatus of a network. The method includes receiving a user equipment identifier identifying a user equipment and a cryptographic key from a wireless wide area network node, and using the cryptographic key as a pairwise master key (PMK). A PMK identifier (PMKID) is generated based on the PMK and the two are stored at the network. A PMK security association is initialized by associating the PMK with at least the PMKID and an access point identifier identifying an access point of the apparatus. An association request is received that includes a PMKID from the user equipment, and it's determined that the PMKID received from the user equipment matches the PMKID stored. A key exchange is initiated with the user equipment based on the PMK to establish a wireless local area network security association with the user equipment.