Method and apparatus for document verification and tracking

Details Method and apparatus for document verification and tracking Method and apparatus for document verification and tracking

1995-01-23

1997-09-23

Cangialosi, Salvatore

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 51, 380 55, 38082534, H04L 900

Patent

active

056712820

ABSTRACT:
A document processing system in which a server subsystem stores information corresponding to a document containing human readable and machine readable information and a client subsystem receives the document and interprets the machine readable information. The client subsystem contacts the server to verify validity of information in the document using a communications network that allows information to be exchanged between the server and the client.

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