System for authenticating objects

Details System for authenticating objects System for authenticating objects

2011-03-08

2011-03-08

Frech, Karl D. (Department: 2887)

Registers

Systems controlled by data bearing records

Credit or identification card systems

C235S454000, C705S002000

Reexamination Certificate

active

07900832

ABSTRACT:
A system for authenticating an object is disclosed. The system has a sensing device for sensing coded tags printed on the object. Each coded tags encodes an identity of the object and a signature fragment. An entire signature is encoded in multiple coded tags. The system further has a processor for determining a signature fragment identifier associated with respective signature fragments. The processor also generates the entire signature from the signature fragments and associated signature fragment identifiers. The entire signature is then decrypted to obtain a generated identity. By comparing the identity encoded by the coded tags with the generated identity, the object is authenticated.

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