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Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels

  • US 5,943,422 A
  • Filed: 08/12/1996
  • Issued: 08/24/1999
  • Est. Priority Date: 08/12/1996
  • Status: Expired due to Term
First Claim
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1. A rights management method comprising:

  • (a) receiving an information signal;

    (b) steganographically decoding the received information signal to recover digital rights management control information packaged within at least one secure digital container; and

    (c) performing at least one rights management operation based at least in part on the recovered digital rights management control information.

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