Patent ID: 8533122

Claim:
A portable device, comprising: one or more processors; a first wireless interface; a second wireless interface; a non-transitory computer readable medium comprising executable instructions that, when executed by the one or more processors, cause the one or more processors to perform the steps of: receiving, via said first wireless interface, an account information request signal from a merchant machine; transmitting, via said first wireless interface, a response message to said merchant machine, said response message comprising said account information for said merchant machine; encrypting a first message using a first encryption key, said first message comprising a requesting to get information about a financial account configured in said portable device; mapping, by a packet filter, said encrypted first message to a pre-established non-GBR bearer; generating a fourth message by encrypting said encrypted first message for an additional time employing a third encryption key; transmitting on said non-GBR bearer, via said second wireless interface, said fourth message on a first plurality of subcarriers of an OFDM wireless network; receiving on said pre-established non-GBR bearer, via said second wireless interface, a second encrypted message on a second plurality of subcarriers of said OFDM wireless network; decrypting said second encrypted message using a fourth decryption key, said second encrypted message comprising said financial account information; decrypting said decrypted second message using a second decryption key, and store said financial account information; and sending to a display at least a portion of said financial account information.