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SYSTEM AND METHOD FOR EFFICIENT TRUST PRESERVATION IN DATA STORES

  • US 20100212017A1
  • Filed: 02/18/2009
  • Published: 08/19/2010
  • Est. Priority Date: 02/18/2009
  • Status: Active Application
First Claim
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1. A method for preserving trustworthiness of data, the method comprising:

  • storing data on an untrusted system; and

    committing the data to a trusted computing base (TCB), wherein said committing comprises;

    upon an end of a predetermined time interval, transmitting a constant size authentication data from the untrusted system to the TCB; and

    the TCB preserving trustworthiness of the authentication data based on performing a single hash operation of a first root and a second root of a general hash tree representing authenticated data.

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