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Device bound flashing/booting for cloning prevention

  • US 7,142,891 B2
  • Filed: 03/15/2004
  • Issued: 11/28/2006
  • Est. Priority Date: 10/10/2003
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • downloading a boot image onto a mobile communication device;

    generating a device-bound certificate (“

    DBC”

    ), said DBC comprising an authentication code generated using a hashed message authentication code algorithm and a key specific to said device, andstoring the DBC in the boot image.

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