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TRUSTWORTHY TIMESTAMPS AND CERTIFIABLE CLOCKS USING LOGS LINKED BY CRYPTOGRAPHIC HASHES

  • US 20080201580A1
  • Filed: 02/21/2007
  • Published: 08/21/2008
  • Est. Priority Date: 02/21/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • maintaining a first, chained-hash log;

    associating a first clock with the chained-hash log; and

    entangling the first log with a second log by adding a time-stamped synchronization entry to the chained-hash log, the synchronization entry having a second time indication associated with the second log and a hash of one or more entries in the first log.

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