Abstract: A method, non-transitory computer readable medium and transaction management device comprising receiving data encrypted using a public asymmetric key and a symmetric key from a mobile computing device, wherein the public asymmetric key and the symmetric key is shared between the transaction management device and the mobile computing device prior to receiving the data. The received data is decrypted using the received symmetric key and an asymmetric private key, wherein the asymmetric private key is generated by the transaction management device prior to receiving the data.

Abstract: The invention provides a method, system and computer program product for performing a shopping activity in a shopping store through a wireless computing device of a customer. The wireless computing device is equipped with an imaging device. The customer uses his/her wireless computing device to select a product to be purchased from the shopping store and subsequently completes the purchase through the wireless computing device.

Abstract: A method for extending point of sale functionalities of an existing point of sale system is provided. In various embodiments of the present invention, the method comprises the step of building at least one Abstracted Core Register Point of Sale (ACR POS) module from at least one existing point of sale register application. The method further comprises the step of optimizing at least one ACR POS module for extending point of sale functionality to at least one wireless device. Further, the method comprises the step of mapping at least one wireless device to at least one virtual register module and at least one optimized ACR POS module to extend the point of sale functionalities of the existing point of sale system to the mapped wireless device. Furthermore, the method comprises the step of performing one or more point of sale tasks using the mapped wireless device.

Abstract: The invention provides a method, system and computer program product for performing a shopping activity in a shopping store through a wireless computing device of a customer. The wireless computing device is equipped with an imaging device. The customer uses his/her wireless computing device to select a product to be purchased from the shopping store and subsequently completes the purchase through the wireless computing device.