Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 31, 2007
Patent Application Number
10077365
Date Filed
February 15, 2002
Patent Primary Examiner
Patent abstract
An apparatus and method for authentication having a processor and at least one activator coupled to the processor is claimed. A signature generator is coupled to the processor and capable of generating a secure identifier. An emitter coupled to the signal generator capable of emitting the secure identifier. A receiver receives the emitted secure identifier and verifies that the secure identifier was appropriately transmitted. The public key corresponding to the key identifier transmitted is accessed to determine the validity of the secure identifier using the accessed key and that the time indicated in the received secure identifier is verified to be within acceptable time tolerances.
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