Protection of identification documents using open cryptography
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United States of America Patent
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N/A
Issued Date -
Jun 16, 2005
app pub date -
Dec 12, 2003
filing date -
Dec 12, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides methods and apparatus to uniquely determine fabrication details associated with objects, such as identification documents, artwork and limited issue works, using open cryptographic techniques. A cryptographic signature is created using a private key. The private key is uniquely associated with fabrication details such as a workstation, operator, fabrication equipment, fabrication materials, etc. A public key corresponds with the private key; and therefore, the public key is associated with the fabrication details. Successfully decoding the cryptographic signature with the public key uniquely identifies the fabrication details.
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