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System and method for securing a communication channel over an optical network

  • US 20030072059A1
  • Filed: 09/10/2002
  • Published: 04/17/2003
  • Est. Priority Date: 07/05/2001
  • Status: Abandoned Application
First Claim
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1. A method for securing a communications channel having perfect forward secrecy comprising the steps of:

  • receiving an authorization request message comprising an asymmetric key;

    in response to receiving an authorization request message, selecting a symmetric key parameter;

    calculating a key exchange parameter based on the symmetric key parameter;

    encrypting the key exchange parameter with the symmetric key; and

    sending an authorization response message comprising the encrypted asymmetric key exchange parameter.

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