Authentication processor using a signature part
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United States of America Patent
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Dec 16, 2008
Issued Date -
N/A
app pub date -
Sep 28, 2007
filing date -
May 18, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of authenticating an object using a processor that receives indicating data generated in response to sensing of coded data. The indicating data is indicative of an identity of the object and, at least part of a signature, the signature being a digital signature of at least a part of the identity. The processor determines from the indicating data, a received identity and at least one received signature part, and then uses the received identity and a secret key, to determine a determined signature. The determined signature is then compared to the at least one received signature part to authenticate the object.
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