Distributed protocol for secure communication of commercial transactions and decentralized network employing the protocol
US6742125B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1996 |
| Grant date | May 25, 2004 |
| Priority date | — |
| Expiry date | May 2, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q20/10
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
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 Ksca assigns a customer account (“CACCT”) to the customer and a merchant account (“MACCT”) to the merchant. The customer has a customer public key Kpc; the merchant has a merchant public key Km. The protocol includes the steps of: (1) sending a quotation from the merchant to the customer, the quotation including the Kpm, a Ksca-signed signature that is a function of the MACCT, an unsigned copy of a price and a Ksm-signed signature that is a function of the MACCT and the price, (2) replying to the quotation by sending an order from the customer to the merchant, the order including the Kpc, a Ksca, signed signature that is a function of the CACCT, an unsigned copy of the price and a Ksc-signed signature that is a function of the CACCT, the MACCT and the price and (3) replying to the order by filling the order.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.