Method and apparatus for simplified audio authentication
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United States of America Patent
Stats
-
Jul 31, 2007
Grant Date -
Jun 26, 2003
app pub date -
Feb 15, 2002
filing date -
Dec 21, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
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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