KR20080014929A - Ｄｒｍ을 이용하여 광대역 디지털 콘텐츠에 대한 조건부접근을 제어하는 시스템 및 방법 - Google Patents

Ｄｒｍ을 이용하여 광대역 디지털 콘텐츠에 대한 조건부접근을 제어하는 시스템 및 방법 Download PDF

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Publication number
KR20080014929A
KR20080014929A KR1020087002165A KR20087002165A KR20080014929A KR 20080014929 A KR20080014929 A KR 20080014929A KR 1020087002165 A KR1020087002165 A KR 1020087002165A KR 20087002165 A KR20087002165 A KR 20087002165A KR 20080014929 A KR20080014929 A KR 20080014929A
Authority
KR
South Korea
Prior art keywords
content
key
mobile terminal
drm
encrypted
Prior art date
Application number
KR1020087002165A
Other languages
English (en)
Korean (ko)
Inventor
죽카 알베
아리 이코넨
마우리 칸가스
타파니 헤익킬라
Original Assignee
노키아 코포레이션
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 노키아 코포레이션 filed Critical 노키아 코포레이션
Publication of KR20080014929A publication Critical patent/KR20080014929A/ko

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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 stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43637—Adapting the video stream to a specific local network, e.g. a 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020087002165A 2003-11-11 2004-11-10 Ｄｒｍ을 이용하여 광대역 디지털 콘텐츠에 대한 조건부접근을 제어하는 시스템 및 방법 KR20080014929A (ko)

Applications Claiming Priority (4)

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

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020067011439A Division KR20060107806A (ko) 2003-11-11 2004-11-10 Ｄｒｍ을 이용하여 광대역 디지털 콘텐츠에 대한 조건부접근을 제어하는 시스템 및 방법

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020107017173A Division KR20100092987A (ko) 2003-11-11 2004-11-10 Ｄｒｍ을 이용하여 광대역 디지털 콘텐츠에 대한 조건부 접근을 제어하는 시스템 및 방법

Publications (1)

Publication Number Publication Date
KR20080014929A true KR20080014929A (ko) 2008-02-14

Family

ID=34577174

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020067011439A KR20060107806A (ko) 2003-11-11 2004-11-10 Ｄｒｍ을 이용하여 광대역 디지털 콘텐츠에 대한 조건부접근을 제어하는 시스템 및 방법
KR1020087002165A KR20080014929A (ko) 2003-11-11 2004-11-10 Ｄｒｍ을 이용하여 광대역 디지털 콘텐츠에 대한 조건부접근을 제어하는 시스템 및 방법

Family Applications Before (1)

Application Number Title Priority Date Filing Date
KR1020067011439A KR20060107806A (ko) 2003-11-11 2004-11-10 Ｄｒｍ을 이용하여 광대역 디지털 콘텐츠에 대한 조건부접근을 제어하는 시스템 및 방법

Country Status (5)

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

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JP2007179392A (ja) * 2005-12-28 2007-07-12 Kddi Corp 位置認証システムおよびその方法、ならびにサーバ装置
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Also Published As

Publication number Publication date
EP1690367A2 (fr) 2006-08-16
WO2005045554A2 (fr) 2005-05-19
EP1690367A4 (fr) 2012-02-15
WO2005045554A3 (fr) 2006-03-23
AU2004288307B2 (en) 2010-04-22
JP2007511946A (ja) 2007-05-10
AU2004288307A1 (en) 2005-05-19
KR20060107806A (ko) 2006-10-16

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