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Method to Protect BIOS NVRAM from Malicious Code Injection by Encrypting NVRAM Variables and System Therefor

  • US 20160246964A1
  • Filed: 02/24/2015
  • Published: 08/25/2016
  • Est. Priority Date: 02/24/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving data to be stored at a firmware memory, the data to be stored at a partition of the firmware memory different than a partition for storing firmware instructions;

    generating a random symmetric encryption key;

    encrypting the data using the generated key to provide encrypted data; and

    storing the encrypted data and the encryption key at the firmware memory.

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