Remote authentication of an object using a signature part
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United States of America Patent
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Jul 21, 2009
Issued Date -
N/A
app pub date -
Jan 25, 2005
filing date -
May 18, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of authenticating an object in which a computer system receives indicating data from a sensing device. The indicating data is generated in response to sensing of coded data provided on or in a surface associated with the object and is indicative of an identity of the object and at least part of a signature. The signature is in turn a digital signature of at least part of the identity. The computer system uses the indicating to determine a received identity and a received signature part, before using the using the received identity to determine at least a determined signature part. The determined signature part is then compared to the received signature part to authenticate the object.
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