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SECURE DATA CACHE

  • US 20110138191A1
  • Filed: 04/29/2009
  • Published: 06/09/2011
  • Est. Priority Date: 04/29/2008
  • Status: Abandoned Application
First Claim
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1. A method of securely caching data stored in an electronic document, the method comprising:

  • reading data from said electronic document,using all or part of said data to calculate a unique cryptographic key for said data;

    encrypting all or part of said data with said unique cryptographic key;

    discarding said unique cryptographic key after encryption; and

    caching said encrypted data in a data cache, with decryption of encrypted data requiring the presence of said electronic document to recalculate said unique cryptographic key from said electronic document.

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