System and method for authentication of data
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United States of America Patent
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Mar 27, 2012
Grant Date -
Feb 11, 2010
app pub date -
Aug 7, 2008
filing date -
Aug 7, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Systems and methods for detecting forged magnetic stripe data through relative variations in flux transition location are provided. In one embodiment, the invention provides a method for detecting forged magnetic stripe data. The method provides for reading a magnetic strip multiple times to obtain multiple signatures and then generating a signature mask and weight based on the multiple signatures. These signatures are then compared with a known authentic signature. Based on the comparison results, a forged magnetic stripe may be detected. Additional embodiments focus on variations in the placement of the flux data transitions on the magnetic slurry rather than on the noise inherent in the slurry.
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