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Method and system for generating a reverse binary patch

  • US 8,943,492 B2
  • Filed: 12/28/2012
  • Issued: 01/27/2015
  • Est. Priority Date: 06/26/2006
  • Status: Active Grant
First Claim
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1. A method of handling a patch on an electronic device, the method comprising:

  • storing, at the electronic device, an old binary image;

    receiving, at a communications interface of the electronic device, a forward patch and a reverse index file, the reverse index file identifying regions of similarity between the old binary image and a new binary image;

    applying, at a processor of the electronic device, the forward patch to the old binary image to create the new binary image at the electronic device;

    generating, at the processor of the electronic device, a reverse patch from the new binary image, the old binary image and the reverse index file; and

    applying, at the processor of the electronic device, the reverse patch to the new binary image to obtain at least a portion of the old binary image.

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