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METHOD AND SYSTEM FOR GENERATING A REVERSE BINARY PATCH

  • US 20070300205A1
  • Filed: 06/26/2006
  • Published: 12/27/2007
  • Est. Priority Date: 06/26/2006
  • Status: Active Grant
First Claim
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1. A method for generating a reverse patch for reversing a forward patch on an electronic device, wherein the forward patch generates a new binary image from an old binary image, the method comprising the steps of:

  • generating an index file at a server, the index file identifying regions of similarity between the old binary image and the new binary image for use in obtaining at least a portion of the old binary image from the new binary image;

    transmitting the forward patch and the index file from the server to the electronic device;

    applying the forward patch to the old binary image to create the new binary image at the electronic device; and

    generating the reverse patch from the new binary image, the old binary image, and the index file at the electronic device.

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