System and methods for digital receipts

Details System and methods for digital receipts System and methods for digital receipts

2006-02-07

2006-02-07

Cangialosi, Salvatore (Department: 3621)

Data processing: financial, business practice, management, or co

Business processing using cryptography

Postage metering system

C705S061000, C705S065000, C705S400000, C705S401000, C705S410000, C705S408000, C705S406000, C713S189000, C380S277000

Reexamination Certificate

active

06996546

ABSTRACT:
A secure system for creating digital receipts, while minimizing the amount of data that is encoded in the digital receipt. The digital receipt provides authentication for a transaction. A digital receipt may be printed in the form of a code. The digital receipt digitally encodes a transaction identification code, a transaction amount or number of units authorized, and a digital signature. The digital receipt may be scanned or read to verify the authenticity of the transaction.

REFERENCES:
patent: 5822739 (1998-10-01), Kara
patent: 5915022 (1999-06-01), Robinson et al.
patent: 6208980 (2001-03-01), Kara
patent: 6341353 (2002-01-01), Herman et al.
patent: 6543683 (2003-04-01), Hoffman
patent: 0474360 (1992-03-01), None
Draft Information-Based Indicia Program (IBIP) entitled “Performance Criteria for Information-Based Indicia and Security Architecture for Open IBI Postage Evidence Systems (PCIBI-O),” The United States Postal Service, Feb. 23, 2000, 79 pages.

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