Patent ID: 8175979
Filing Date: 2012-05-08
Classification: G06Q,H04L

Abstract:
1. A method for conducting transactions, the method comprising: receiving at a mobile device encoded concatenated transaction information at a from a cash point; receiving at the mobile device a personal identification number; after receiving the personal identification number, providing the encoded concatenated transaction information to a transaction server; receiving at the mobile device a transaction receipt from the transaction server; and providing the transaction receipt from the mobile device to the cash point; wherein the mobile device in response to receiving the encoded concatenated transaction information performs the following: displays the amount to pay for carrying out the transaction; prompts a buyer to enter a personal identification number (PIN) of the mobile device's security element; supplies the encoded concatenated transaction information to a security element in response to the PIN entry; wherein the security element digitally signs the encoded concatenated transaction information to obtain a private key; and wherein the private key is concatenated with a hash of a matching certificate, and is sent to the transaction server via a mobile network.