Method and system for validating a device that uses a dynamic identifier
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United States of America Patent
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Apr 2, 2013
Issued Date -
N/A
app pub date -
Dec 23, 2008
filing date -
Dec 20, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A method that comprises obtaining a currently received signature from a device; obtaining a candidate identifier associated with the device; consulting a database to obtain a set of previously received signatures associated with the candidate identifier; and validating the currently received signature based on a comparison of the currently received signature to the set of previously received signatures associated with the candidate identifier. Also, a method that comprises obtaining a currently received signature from a device; decrypting the currently received signature to obtain a candidate identifier; and a candidate scrambling code; consulting a database to obtain a set of previously received scrambling codes associated with the candidate identifier; and validating the currently received signature based on a comparison of the candidate scrambling code to the set of previously received scrambling codes associated with the candidate identifier.
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