Patent ID: 6192349
Filing Date: 2001-02-20
Classification: G06K,G06Q,G07F

Abstract:
A method for providing information, goods or services by transmitting an electronic ticket for the information, goods services from a ticket provider to a customer over a public communication interconnection comprising:a) transmitting a ticket loading request token from the ticket provider to a smart card of the customer over the interconnection upon the request of the customer;b) generating a loading token in the smart card containing a hash of the ticket loading request token, a previous loading token, and a secret key stored in the smart card and providing the ticket loading token back to the ticket provider;c) transmitting the ticket, containing ticket information and a hash of the ticket loading token from the ticket provider back to the smart card for use of the smart card and the ticket stored therein for obtaining the information, goods or services; andd) changing the Previous loading token to the present loading token once the ticket is loaded into the smart card.