WO2005045554A3 - System and method for using drm to control conditional access to broadband digital content - Google Patents

System and method for using drm to control conditional access to broadband digital content Download PDF

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Publication number
WO2005045554A3
WO2005045554A3 PCT/IB2004/003687 IB2004003687W WO2005045554A3 WO 2005045554 A3 WO2005045554 A3 WO 2005045554A3 IB 2004003687 W IB2004003687 W IB 2004003687W WO 2005045554 A3 WO2005045554 A3 WO 2005045554A3
Authority
WO
WIPO (PCT)
Prior art keywords
drm
digital content
conditional access
disclosed
encrypted
Prior art date
Application number
PCT/IB2004/003687
Other languages
French (fr)
Other versions
WO2005045554A2 (en
Inventor
Jukka Alve
Ari Ikonen
Mauri Kangas
Tapani Heikkila
Original Assignee
Nokia Corp
Nokia Inc
Jukka Alve
Ari Ikonen
Mauri Kangas
Tapani Heikkila
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/705,449 external-priority patent/US7568111B2/en
Application filed by Nokia Corp, Nokia Inc, Jukka Alve, Ari Ikonen, Mauri Kangas, Tapani Heikkila filed Critical Nokia Corp
Priority to EP04798827A priority Critical patent/EP1690367A4/en
Priority to JP2006538986A priority patent/JP2007511946A/en
Priority to AU2004288307A priority patent/AU2004288307B2/en
Publication of WO2005045554A2 publication Critical patent/WO2005045554A2/en
Publication of WO2005045554A3 publication Critical patent/WO2005045554A3/en

Links

Classifications

    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • 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
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • 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
    • H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • 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

Abstract

A system and method is disclosed for providing DRM in a broadcast environment. In accordance with the embodiment, a DRM system distributes encrypted service keys over the mobile telephone network to a mobile terminal. The mobile terminal receives the encrypted service key and uses it to decrypt encrypted content keys received from a DVB set top box. The decrypted content keys are sent to the set box over local link where they are used to decrypt encrypted broadcast content. A power management technique for mobile receivers is also disclosed that enables the receiver hardware to power off during a portion of the rendering process.
PCT/IB2004/003687 2003-11-11 2004-11-10 System and method for using drm to control conditional access to broadband digital content WO2005045554A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP04798827A EP1690367A4 (en) 2003-11-11 2004-11-10 System and method for using drm to control conditional access to broadband digital content
JP2006538986A JP2007511946A (en) 2003-11-11 2004-11-10 System and method for using DRM for conditional access control of broadcast digital content
AU2004288307A AU2004288307B2 (en) 2003-11-11 2004-11-10 System and method for using DRM to control conditional access to broadband digital content

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/705,449 US7568111B2 (en) 2003-11-11 2003-11-11 System and method for using DRM to control conditional access to DVB content
US10/705,449 2003-11-11
US10/939,078 2004-09-09
US10/939,078 US7698568B2 (en) 2003-11-11 2004-09-09 System and method for using DRM to control conditional access to broadband digital content

Publications (2)

Publication Number Publication Date
WO2005045554A2 WO2005045554A2 (en) 2005-05-19
WO2005045554A3 true WO2005045554A3 (en) 2006-03-23

Family

ID=34577174

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2004/003687 WO2005045554A2 (en) 2003-11-11 2004-11-10 System and method for using drm to control conditional access to broadband digital content

Country Status (5)

Country Link
EP (1) EP1690367A4 (en)
JP (1) JP2007511946A (en)
KR (2) KR20060107806A (en)
AU (1) AU2004288307B2 (en)
WO (1) WO2005045554A2 (en)

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US8904458B2 (en) 2004-07-29 2014-12-02 At&T Intellectual Property I, L.P. System and method for pre-caching a first portion of a video file on a set-top box
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US7716714B2 (en) 2004-12-01 2010-05-11 At&T Intellectual Property I, L.P. System and method for recording television content at a set top box
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US7908627B2 (en) 2005-06-22 2011-03-15 At&T Intellectual Property I, L.P. System and method to provide a unified video signal for diverse receiving platforms
US8365218B2 (en) 2005-06-24 2013-01-29 At&T Intellectual Property I, L.P. Networked television and method thereof
US8635659B2 (en) 2005-06-24 2014-01-21 At&T Intellectual Property I, L.P. Audio receiver modular card and method thereof
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US7873102B2 (en) 2005-07-27 2011-01-18 At&T Intellectual Property I, Lp Video quality testing by encoding aggregated clips
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FR2910203B1 (en) * 2006-12-19 2016-03-25 Viaccess Sa METHOD FOR CONTROLLING ACCESS TO DIGITAL CONTENT CLUTCHED
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Also Published As

Publication number Publication date
AU2004288307B2 (en) 2010-04-22
EP1690367A4 (en) 2012-02-15
KR20060107806A (en) 2006-10-16
JP2007511946A (en) 2007-05-10
AU2004288307A1 (en) 2005-05-19
EP1690367A2 (en) 2006-08-16
KR20080014929A (en) 2008-02-14
WO2005045554A2 (en) 2005-05-19

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