The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 2004
Filed:
Nov. 13, 1996
Eran Gabber, Summit, NJ (US);
Abraham Silberschatz, Summit, NJ (US);
Lucent Technologies Inc., Murray Hill, NJ (US);
Abstract
A protocol and system for securely communicating a financial transaction between a customer and a merchant and a distributed computer network employing the protocol or system. A central authority having a central authority private key K assigns a customer account (“C ”) to the customer and a merchant account (“M ”) to the merchant. The customer has a customer public key K ; the merchant has a merchant public key K . The protocol includes the steps of: (1) sending a quotation from the merchant to the customer, the quotation including the K , a K -signed signature that is a function of the M , an unsigned copy of a price and a K -signed signature that is a function of the M and the price, (2) replying to the quotation by sending an order from the customer to the merchant, the order including the K , a K , signed signature that is a function of the C , an unsigned copy of the price and a K -signed signature that is a function of the C , the M and the price and (3) replying to the order by filling the order.