×

Digital content rights management method and system

  • US 8,887,299 B2
  • Filed: 12/11/2007
  • Issued: 11/11/2014
  • Est. Priority Date: 01/17/2007
  • Status: Active Grant
First Claim
Patent Images

1. A digital content rights management method comprising:

  • generating a time stamp, by a device including a program for accessing a digital content, wherein the time stamp includes time information of the device;

    when the program for accessing the digital content starts up, verifying validity of the time stamp, wherein if the verification passes, performing a next step and if the verification fails, disallowing the access of the digital content;

    acquiring a certificate of authorization for accessing the digital content, wherein the certificate of authorization specifies a starting time and an ending time of allowing to access the digital content; and

    verifying a time of the device with the time stamp and the certificate of authorization to determine whether the device is allowed to access the digital content.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×