Card authentication system
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United States of America Patent
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May 21, 2013
Grant Date -
Sep 4, 2008
app pub date -
Nov 6, 2007
filing date -
Nov 6, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A card authentication system. In one embodiment, the invention relates to a method for authenticating a data card having an intrinsic magnetic characteristic and recorded data on the data card, the method including reading information from the data card, the data card information including the intrinsic magnetic characteristic and the recorded data on the data card, encrypting the data card information, sending the encrypted data card information, receiving the encrypted data card information, decrypting a portion of the encrypted data card information, the portion including the intrinsic magnetic characteristic, generating a score indicative of a degree of correlation between the intrinsic magnetic characteristic of the data card information and a stored value, and determining an authenticity of the data card based at least in part on the score.
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