Title:
コンテンツ鍵の変更を支援する方法および装置
Document Type and Number:
Japanese Patent JP5399377
Kind Code:
B2
Abstract:
A process may be utilized by the DVR. The process receives a plurality of segments of a set of content and a plurality of corresponding content rule sets. Further, the process provides one or more instructions to record and encrypt the plurality of segments of the set of content on a storage medium. In addition, the process provides the plurality of content rule sets to the DRM component to be inserted into a locally generated and secured content license associated with the encryption of the set of content. The secured content license includes a master key and a list of the plurality of corresponding content rule sets that have been received in order of reception. The process receives a plurality of marker tokens from the DRM component in order to facilitate trick mode playback.
Inventors:
ペテルカ, Petr
a prospect -- bottle skiing and Alexander
Moroni, a pole
シャムサーセフ, Rafi
a prospect -- bottle skiing and Alexander
Moroni, a pole
シャムサーセフ, Rafi
Application Number:
JP2010506504A
Publication Date:
January 29, 2014
Filing Date:
April 25, 2008
Export Citation:
Assignee:
General instrument corporation General InstrumentCorporation
International Classes:
H04L9/08; G06F21/10; G06F21/60; G06F21/62; G09C1/00
Attorney, Agent or Firm:
Hironori Onda
Makoto Onda
Makoto Onda