Content distribution for multiple digital rights management

Content distribution for multiple digital rights management

  • CN 1,682,486 A
  • Filed: 09/08/2003
  • Published: 10/12/2005
  • Est. Priority Date: 09/09/2002
  • Status: Active Application
First Claim
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1. method of allow using multiple digital rights management scheme (DRM) comprises:

  • The clear data of check table registration word content is to discern the inclusive segment that is used to encrypt at least;

    Use first encryption method related to encrypt the inclusive segment that is identified, produce first encrypted section with a DRM;

    Use second encryption method related to encrypt the inclusive segment that is identified, produce second encrypted section with the 2nd DRM;

    Produce first pointer that points to first segments of encrypted content;

    Produce second pointer that points to second segments of encrypted content;

    AndThe inclusive segment that in digital content, is identified with first encrypted content and the replacement of second encrypted content, and insert first and second pointer, to produce the file of the two DRM of permission that partly encrypted.

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