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A METHOD FOR PROVIDING SECURITY USING SECURE COMPUTATION

  • US 20150349958A1
  • Filed: 01/08/2014
  • Published: 12/03/2015
  • Est. Priority Date: 01/08/2013
  • Status: Active Grant
First Claim
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1. A method of securing data, the method comprising:

  • dividing a secret key into a plurality of secret key shares;

    storing each of the plurality of secret key shares in a different server of a plurality of servers so that none of the servers has access to the secret key and to the secret key share stored in another of the servers;

    using a server of the plurality of servers to execute a secure computation protocol to determine a value of a function responsive to all of the plurality of secret key shares without providing any of the plurality of servers with access to the secret key and to the secret key share stored in another of the servers; and

    using the calculated value of the function to secure the data.

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