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Controlled publication of sensitive content

  • US 10,255,442 B2
  • Filed: 11/15/2016
  • Issued: 04/09/2019
  • Est. Priority Date: 11/15/2016
  • Status: Active Grant
First Claim
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1. A method, performed by a computing device, for publishing sensitive content at a future time, the method comprising:

  • prior to a future time at which sensitive content is to be published, receiving an encrypted version of the sensitive content;

    applying an interactive zero knowledge proof to the encrypted version of the sensitive content, wherein applying the interactive zero knowledge proof comprises repeating more than once the steps of;

    requesting a sample of the sensitive content corresponding to a random portion of the encrypted version of the sensitive content,receiving a hash of the requested sample of the sensitive content that does not reveal the sensitive content, andcomparing the hash to a particular aspect expected in the requested sample of the sensitive content,wherein the particular aspect expected in the sample of the sensitive content comprises grammar or format;

    upon successful application of the interactive zero knowledge proof, preparing the encrypted version of the sensitive content for publication;

    at the future time, receiving an encryption key for the encrypted version of the sensitive content;

    decrypting the encrypted version of the sensitive content with the encryption key to produce the sensitive content at a publication location from which the sensitive content is accessible via a network; and

    publishing the decrypted sensitive content.

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