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Remote secure authorization

  • US 20050102509A1
  • Filed: 12/02/2004
  • Published: 05/12/2005
  • Est. Priority Date: 10/07/2003
  • Status: Active Grant
First Claim
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1. A method of distributing at least one enterprise network cryptographic key to a client attempting to access an enterprise network via an edge device of said enterprise network, the method comprising the steps of:

  • receiving first information from a client, encrypting said first information with a predefined enterprise network cryptographic key to generate a first cipher, sending said first cipher and a predefined unique identifier of said edge device of said enterprise network to an authentication server, receiving a second cipher from said authentication server, decrypting said second cipher with a predefined enterprise network cryptographic key to obtain a client cryptographic key, encrypting at least one predefined enterprise network cryptographic key with said client cryptographic key to generate a third cipher, and forwarding said third cipher to said client.

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