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System and method for secure access

  • US 20050071129A1
  • Filed: 09/30/2003
  • Published: 03/31/2005
  • Est. Priority Date: 09/30/2003
  • Status: Active Grant
First Claim
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1. An authentication system comprising:

  • an access controller operable to communicate with a client via a first communication medium; and

    , an authentication server operable to communicate with said client and said access controller via a second communication medium and further operable to generate a first key for delivery to said client and a second key for delivery to said access controller, said second key being complementary to said first key such that when said client and said controller are connected, communications therebetween can be encrypted using said keys; and

    wherein said access controller is operable to selectively pass instructions received from said client to a computer attached to said access controller if a verification protocol utilizing said keys is met.

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