JP4916110B2 - デジタルコンテンツ用コンテンツおよびキーを配布する方法 - Google Patents

デジタルコンテンツ用コンテンツおよびキーを配布する方法 Download PDF

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Publication number
JP4916110B2
JP4916110B2 JP2004520051A JP2004520051A JP4916110B2 JP 4916110 B2 JP4916110 B2 JP 4916110B2 JP 2004520051 A JP2004520051 A JP 2004520051A JP 2004520051 A JP2004520051 A JP 2004520051A JP 4916110 B2 JP4916110 B2 JP 4916110B2
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content
license
digital content
key
content key
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Expired - Fee Related
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JP2004520051A
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English (en)
Japanese (ja)
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JP2005532750A (ja
JP2005532750A5 (https=
Inventor
スティーブン・ワトソン
マイケル・エイ・マルコム
ダニエル・エイ・コレンズ
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Kaleidescape Inc
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Kaleidescape Inc
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Priority claimed from US10/356,322 external-priority patent/US7003131B2/en
Priority claimed from US10/356,692 external-priority patent/US7111171B2/en
Application filed by Kaleidescape Inc filed Critical Kaleidescape Inc
Priority claimed from PCT/US2003/021403 external-priority patent/WO2004006579A1/en
Publication of JP2005532750A publication Critical patent/JP2005532750A/ja
Publication of JP2005532750A5 publication Critical patent/JP2005532750A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4182—External card to be used in combination with the client device, e.g. for conditional access for identification purposes, e.g. storing user identification data, preferences, personal settings or data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management e.g. creating a master electronic programme guide from data received from the Internet and a Head-end or controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627—Rights management associated to the content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Information Transfer Between Computers (AREA)
  • Image Processing (AREA)
JP2004520051A 2002-07-09 2003-07-09 デジタルコンテンツ用コンテンツおよびキーを配布する方法 Expired - Fee Related JP4916110B2 (ja)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
US39458802P 2002-07-09 2002-07-09
US39492202P 2002-07-09 2002-07-09
US39463002P 2002-07-09 2002-07-09
US60/394,630 2002-07-09
US60/394,922 2002-07-09
US60/394,588 2002-07-09
US10/356,692 2003-01-31
US10/356,322 US7003131B2 (en) 2002-07-09 2003-01-31 Watermarking and fingerprinting digital content using alternative blocks to embed information
US10/356,322 2003-01-31
US10/356,692 US7111171B2 (en) 2002-07-09 2003-01-31 Parallel distribution and fingerprinting of digital content
US10/378,046 US7036024B2 (en) 2002-07-09 2003-02-28 Detecting collusion among multiple recipients of fingerprinted information
US10/377,266 2003-02-28
US10/378,046 2003-02-28
US10/377,266 US7188248B2 (en) 2002-07-09 2003-02-28 Recovering from de-synchronization attacks against watermarking and fingerprinting
PCT/US2003/021403 WO2004006579A1 (en) 2002-07-09 2003-07-09 Content and key distribution system for digital content representing media streams

Publications (3)

Publication Number Publication Date
JP2005532750A JP2005532750A (ja) 2005-10-27
JP2005532750A5 JP2005532750A5 (https=) 2006-08-24
JP4916110B2 true JP4916110B2 (ja) 2012-04-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004520051A Expired - Fee Related JP4916110B2 (ja) 2002-07-09 2003-07-09 デジタルコンテンツ用コンテンツおよびキーを配布する方法

Country Status (2)

Country Link
US (2) US7188248B2 (https=)
JP (1) JP4916110B2 (https=)

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