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METHOD FOR TRANSFERRING AN ENCRYPTION KEY

  • US 20010055395A1
  • Filed: 03/02/1998
  • Published: 12/27/2001
  • Est. Priority Date: 03/02/1998
  • Status: Active Grant
First Claim
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1. A method for transferring a replacement encryption key, said method comprising the steps of:

  • transmitting a public key from a source device to a target device;

    encrypting a traffic key within said target device using said public key thereby forming a requested key;

    transmitting said requested key to said source device;

    encrypting said replacement encryption key using said traffic key at said source device forming an encrypted replacement key;

    transmitting said encrypted replacement key to said target device; and

    recovering said replacement encryption key.

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