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System and method for DRM regional and timezone key management

  • US 20060200412A1
  • Filed: 02/23/2005
  • Published: 09/07/2006
  • Est. Priority Date: 02/23/2005
  • Status: Abandoned Application
First Claim
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1. A cryptographic media stream system for ensuring media stream content is only consumed in authorized regions, the system comprising:

  • at least one encryption/decryption key source configured to provide at least one of a regional key and a timezone key, wherein the regional key and the timezone key are globally unique keys;

    a media encryption engine that receives an unencrypted media stream and encrypts the encrypted media stream; and

    a media decryption engine that receives the encrypted media stream, and decrypts the encrypted media stream in response to at least one of the regional key and the timezone key.

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  • 3 Assignments
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