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Secure use of externally stored data

  • US 8,448,875 B2
  • Filed: 04/02/2012
  • Issued: 05/28/2013
  • Est. Priority Date: 12/01/2008
  • Status: Active Grant
First Claim
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1. A method to be performed by an electronic device, the method comprising:

  • transmitting a request Application Protocol Data Unit (APDU) to a smart card reader coupled to the electronic device, the request APDU requesting authentication data stored on a smart card coupled to the smart card reader; and

    in response to transmitting the request APDU, receiving from the smart card reader a filtered response APDU that excludes the authentication data.

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