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System and Method for Message Verification in Broadcast and Multicast Networks

  • US 20130326224A1
  • Filed: 05/29/2012
  • Published: 12/05/2013
  • Est. Priority Date: 05/29/2012
  • Status: Active Grant
First Claim
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1. A method for verified communication comprising:

  • generating a digital signature of a hash for each one of a plurality of predetermined message elements with a private key in a first network device;

    generating a random number in the first network device;

    generating a one-time digital signature for the random number with the private key in the first network device;

    generating a network communication message including a subset of the plurality of predetermined message elements in the first network device;

    applying a first homomorphic operation to the one-time digital signature and the digital signatures corresponding to each the subset of predetermined message elements included in the network communication message to generate a signature for the network communication message; and

    transmitting the network communication message in association with the signature for the network communication message and the random number to at least one other network device.

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