Patent ID: 9172580
Filing Date: 2015-10-27
Classification: H04L,H04W

Abstract:
1. A method of operating a wireless communication device comprising a security portion that stores a plurality of security keys and a communication portion comprising a plurality of transceivers for communicating over one or more wireless networks, the method comprising: in the communication portion, transferring an access request for delivery to a remote data system responsive to data for transfer to the remote data system; in the communication portion, receiving a security challenge transferred by the remote data system, and in response, transferring a security answer for delivery to the remote data system that includes at least one hash result generated in the security portion using at least one of the security keys; in the communication portion, receiving a security grant transferred by the remote data system indicating one of the hash results; in the security portion, selecting at least one of the transceivers based on an association of the transceivers with one of the security keys used to generate the hash result indicated in the security grant; in the communication portion, transferring the data for delivery to the remote data system over a wireless network associated with the selected transceiver.