Patent ID: 7353211
Filing Date: 2008-04-01
Classification: G06Q,G07F,H04W

Abstract:
1. A method of encrypting data to be transmitted between a selected service provider and a telecommunications terminal over a telecommunications network, the method comprising: encrypting the data to be transmitted over the telecommunications network as a function of the selected service provider; sending an identification request from the service provider to the telecommunications terminal before transmission of data between the telecommunications terminal and the selected service provider, the identification request requesting that a key that is allocated to the selected service provider be selected from a plurality of keys stored in one of the telecommunications terminal and an access authorization card inserted into the telecommunications terminal; encrypting the identification request using a selected key to yield an encrypted response; and transmitting the encrypted response from the telecommunications terminal to the selected service provider for authentication of the telecommunications terminal; wherein the data to be transmitted is encrypted using the selected key for encrypting the identification request for authenticating the telecommunications terminal.