On-line value-bearing indicium printing using DSA

Details On-line value-bearing indicium printing using DSA On-line value-bearing indicium printing using DSA

2007-11-20

2007-11-20

Elisca, Pierre Eddy (Department: 3621)

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

Business processing using cryptography

Postage metering system

C705S050000, C705S051000

Reexamination Certificate

active

09788069

ABSTRACT:
A method and apparatus for generating a Value Bearing Indicium (VBI) for on-line applications. A VBI is generated by hashing user information to create a message digest that is used to create a digital signature. The digital signature is combined with the user information to create a VBI that can be validated by a variety of stand-alone or on-line methods. An on-line postage metering application using the VBI is described.

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