Cryptography – Electric signal modification – Having production of printed copy
Patent
1996-08-23
1998-08-25
Tarcza, Thomas H.
Cryptography
Electric signal modification
Having production of printed copy
380 24, 380 25, H04L 900
Patent
active
057990930
ABSTRACT:
A remote inspection system including a value dispensing device including structure for printing an indication of value, structure for accounting for value dispensed, and structure for querying and receiving operational data from both the printing structure and the accounting structure and for creating a message based on the operational data which message has a first portion identifying the data and a second encrypted signature portion which is created based on at least some of the operational data; a data center remotely located from the value dispensing device; and structure for establishing communication between the data center and the value dispensing device permitting the value dispensing device to send the message to the data center; wherein the data center includes apparatus for extracting the operational data from the message, apparatus for extracting the at least some of the operational data from the message to create the second encrypted signature portion based on the at least some of the information thereby validating authenticity of the message, and a device for storing the operational data.
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French Dale A.
Lawton Kathryn V.
Pitney Bowes Inc.
Scolnick Melvin J.
Shapiro Steven J.
Tarcza Thomas H.
White Carmen D.
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