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System and method for providing trusted time in content of digital data files

  • US 20050160272A1
  • Filed: 12/01/2004
  • Published: 07/21/2005
  • Est. Priority Date: 10/28/1999
  • Status: Abandoned Application
First Claim
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1. A system for maintaining trust in a vote entered on an electronic voting machine, comprising:

  • a trusted time source to provide a certifiable time for an unalterable time stamp, wherein said certifiable time confirms at least one of a vote'"'"'s options, creation, receipt, or transmission;

    means for receiving a request to enter the vote from a voter;

    first means for saving the vote at a moment in time;

    means for retrieving from said trusted time source a date and a time corresponding to said moment in time, wherein said moment in time is substantially a current time at said trusted time source corresponding to receipt of said request;

    first means for appending said date and said time retrieved from said trusted time source to said saved vote;

    first means for signing said saved vote with said date and said time retrieved from said trusted time source appended thereto;

    means for hashing said signed vote to produce a digest;

    second means for signing said digest with a key to produce a certificate;

    second means for appending said certificate to said saved vote; and

    second means for saving said saved vote with said certificate appended thereto.

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