Patent ID: 9717004
Date: 2017-07-25
CPC Classifications: H04L,H04W

Claim:
1. A method operational at a user device, the method comprising: receiving and storing, at a memory circuit, a shared key from an application service provider; determining, at a processing circuit, that a wireless wide area communication network provides application-specific access to an application service provided by the application service provider; transmitting, via a wireless communication interface, a registration request, which includes a device identifier and an application identifier associated with the application service, to the application service provider using a data connection through a packet data network of the wireless wide area communication network that bypasses authentication by at least one of a home subscriber service (HSS) and/or authentication authorization accounting (AAA) of the wireless wide area communication network; receiving, from the wireless wide area communication network, authentication information derived at the application service provider that is based in part on the shared key, the authentication information received via the wireless communication interface; performing, at the processing circuit, authentication and key agreement with the wireless wide area communication network based on the authentication information and the stored shared key; and communicating, via the wireless communication interface, with the application service after authentication and key agreement is successfully performed.