Patent ID: 8935186
Filing Date: 2015-01-13
Classification: G06Q

Abstract:
1. A method for use in a portable device, comprising: transmitting, via a first wireless interface, an account information of a financial account to a merchant machine; encrypting a first message using a first encryption key, said first message comprising a request to get information about said 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, by said portable device, said encrypted first message for an additional time employing a third encryption key; transmitting on said non-GBR bearer, via a second wireless interface, said fourth message on a first plurality of subcarriers; receiving on said pre-established non-GBR bearer, a second encrypted message on a second plurality of subcarriers; decrypting, by said portable device, said second encrypted message using a fourth decryption key, said second encrypted message comprising said financial account information; decrypting, by said portable device, said decrypted second message using a second decryption key, and storing said financial account information.