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Methods and circuits for securing encached information

  • US 6,754,784 B1
  • Filed: 06/30/2000
  • Issued: 06/22/2004
  • Est. Priority Date: 02/01/2000
  • Status: Expired due to Term
First Claim
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1. A method of preventing access and observation of encached information comprising the steps of:

  • generating private information to be encached;

    storing the private information in memory;

    updating a translation look aside buffer with descriptors to locations in memory containing the private information;

    forcing a cache miss to a selected location in cache to be loaded with a selected portion of the private information;

    retrieving the selected portion of the private information from memory using a corresponding descriptor from the translation look aside buffer;

    loading the retrieved portion of the private information into the selected location in cache; and

    locking the selected portion of the private information in the selected location in cache.

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