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Exchanging a secret over an unreliable network

  • US 6,182,214 B1
  • Filed: 01/08/1999
  • Issued: 01/30/2001
  • Est. Priority Date: 01/08/1999
  • Status: Expired due to Term
First Claim
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1. A method for transmitting a secret to a client over an unreliable communication network, the method comprising the steps of:

  • dividing the secret into a predetermined number N shares using a threshold encryption scheme such that at least a predetermined minimum number M shares, but no more than the predetermined number N shares, are needed to reconstruct the secret using the threshold encryption scheme; and

    transmitting to the client a plurality of messages including at least one share in each of said plurality of messages.

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