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Decentralized systems methods and computer program products for sending secure messages among a group of nodes

  • US 6,363,154 B1
  • Filed: 10/28/1998
  • Issued: 03/26/2002
  • Est. Priority Date: 10/28/1998
  • Status: Expired due to Fees
First Claim
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1. A method of sending secure messages among a group of nodes selected from a plurality of nodes that are connected to a communications network, the method comprising the steps of:

  • defining a random secret key at a first one of the group of nodes;

    sending the random secret key from the first one of the group of nodes to remaining ones of the group of nodes;

    generating a random number at a second one of the group of nodes;

    performing a one way hash of the random number and the random secret key at the second one of the group of nodes to generate a working key;

    encrypting a message at the second one of the group of nodes, using the working key; and

    sending the encrypted message and the random number from the second one of the group of nodes to remaining ones of the group of nodes.

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