Patent ID: 7593717
Filing Date: 2009-09-22
Classification: H04L,H04W

Abstract:
1. A method comprising: Determining, at a device, a private key for a first network based on at least one security value associated with a second network, wherein the private key refers to a key that, once calculated, is not shared with another device, wherein the second network is a cellular network and the first network is a wireless local area network, and wherein determining the private key comprises determining the private key based on a shared secret data key associated with the cellular network; and establishing a plurality of sessions between a mobile terminal and the first network using the private key, wherein determining the private key based on the shared secret data key comprises applying a root key, an electronic serial number associated with the mobile terminal, and a network-supplied random value to a Cellular Authentication and Voice Encryption (CAVE) algorithm to generate the private key.