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PC secure video path

  • US 8,713,685 B2
  • Filed: 02/18/2013
  • Issued: 04/29/2014
  • Est. Priority Date: 03/04/2010
  • Status: Active Grant
First Claim
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1. A media method, comprising:

  • using parallel media paths in a computing device to process content, the parallel media paths comprising a secure media path with a secure video processor configured for handling secured content, and an unsecured media path configured for handling unsecured content;

    using a portable key module to supply different content decryption keys from the portable key module to the secure media path for different pieces of secured media content;

    using a secure tunnel between the portable key module and the secure video processor to transfer the content decryption keys; and

    generating an authentication request that comprises an identification of the portable key module, and an identification of the secure video processor.

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