Invention Grant
US08191165B2 Methods, systems, and computer program products for controlling distribution of digital content in a file sharing system using license-based verification, encoded tagging, and time-limited fragment validity 有权
用于控制使用基于许可证验证,编码标签和时间有限的片段有效性的文件共享系统中数字内容分发的方法,系统和计算机程序产品

  • Patent Title: Methods, systems, and computer program products for controlling distribution of digital content in a file sharing system using license-based verification, encoded tagging, and time-limited fragment validity
  • Patent Title (中): 用于控制使用基于许可证验证,编码标签和时间有限的片段有效性的文件共享系统中数字内容分发的方法,系统和计算机程序产品
  • Application No.: US12963395
    Application Date: 2010-12-08
  • Publication No.: US08191165B2
    Publication Date: 2012-05-29
  • Inventor: Jeffrey A. Aaron
  • Applicant: Jeffrey A. Aaron
  • Applicant Address: US GA Atlanta
  • Assignee: AT&T Intellectual Property I, L.P.
  • Current Assignee: AT&T Intellectual Property I, L.P.
  • Current Assignee Address: US GA Atlanta
  • Agency: Scott P. Zimmerman PLLC
  • Main IPC: G06F21/22
  • IPC: G06F21/22 H04N7/16 H04L9/32
Methods, systems, and computer program products for controlling distribution of digital content in a file sharing system using license-based verification, encoded tagging, and time-limited fragment validity
Abstract:
A method for controlling distribution of digital content includes fragmenting a digital content file into fragments and tagging at least some of the fragments with corresponding tags to provide tagged fragments for distribution. The tags may be generated using a pseudo-random number (PRN) bit sequence. A digital rights license is generated for the digital content file based on the tags and/or fragments. The digital rights license is configured to allow reassembly of the tagged fragments to provide the digital content file. Later, the fragments may be re-tagged with corresponding second tags to provide second tagged fragments for distribution that are different from the first tagged fragments. Related systems and computer program products are also discussed.
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