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Dual-Interface Key Management

  • US 20110035604A1
  • Filed: 10/20/2010
  • Published: 02/10/2011
  • Est. Priority Date: 10/21/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving key-management information at an access card;

    storing the key-management information in a memory of the access card, whereinsaid storing stores the key-management information as stored key-management information,the access card is configured such that the stored key-management information cannot be modified in response to information received via a first interface of the access card,the key-management information is received via a second interface of the access card, andthe second interface is distinct from the first interface;

    generating an access request based at least in part on the stored key-management information; and

    transmitting the access request from the access card via the first interface.

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