GB0514492D0 - Secure media streaming - Google Patents

Secure media streaming

Info

Publication number
GB0514492D0
GB0514492D0 GBGB0514492.8A GB0514492A GB0514492D0 GB 0514492 D0 GB0514492 D0 GB 0514492D0 GB 0514492 A GB0514492 A GB 0514492A GB 0514492 D0 GB0514492 D0 GB 0514492D0
Authority
GB
United Kingdom
Prior art keywords
media streaming
secure media
secure
streaming
media
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
GBGB0514492.8A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TELENOR
NTNU Technology Transfer AS
Original Assignee
TELENOR
NTNU Technology Transfer AS
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
Application filed by TELENOR, NTNU Technology Transfer AS filed Critical TELENOR
Priority to GBGB0514492.8A priority Critical patent/GB0514492D0/en
Publication of GB0514492D0 publication Critical patent/GB0514492D0/en
Priority to CA002615469A priority patent/CA2615469A1/en
Priority to US11/995,677 priority patent/US8627081B2/en
Priority to EP06764966.5A priority patent/EP1913774B1/en
Priority to PCT/GB2006/002619 priority patent/WO2007007112A2/en
Priority to RU2008104050/08A priority patent/RU2449494C2/ru
Priority to JP2008520958A priority patent/JP2009501470A/ja
Priority to AU2006268017A priority patent/AU2006268017A1/en
Priority to CNA2006800256929A priority patent/CN101233755A/zh
Priority to KR1020087003597A priority patent/KR20080037025A/ko
Priority to GB0802795A priority patent/GB2442691B/en
Priority to JP2012237848A priority patent/JP2013059078A/ja
Priority to US14/109,888 priority patent/US20140189358A1/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
    • 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
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/068—Network architectures or network communication protocols for network security for supporting key management in a packet data network using time-dependent keys, e.g. periodically changing 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
    • H04N21/23—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
    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23895—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption
    • 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
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • H04N21/25816—Management of client data involving client authentication
    • 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
    • H04N21/26613—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 keys in general
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • H04N21/43853—Multiplex stream processing, e.g. multiplex stream decrypting involving multiplex 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
    • H04N21/43—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
    • H04N21/43—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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44236—Monitoring of piracy processes or activities
    • 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
    • H04N21/466—Learning process for intelligent management, e.g. learning user preferences for recommending movies
    • 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]
    • H04N21/80—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Health & Medical Sciences (AREA)
  • Virology (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
  • Information Transfer Between Computers (AREA)
GBGB0514492.8A 2005-07-14 2005-07-14 Secure media streaming Ceased GB0514492D0 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
GBGB0514492.8A GB0514492D0 (en) 2005-07-14 2005-07-14 Secure media streaming
GB0802795A GB2442691B (en) 2005-07-14 2006-07-14 Transmission of data to a client computer
JP2008520958A JP2009501470A (ja) 2005-07-14 2006-07-14 マルチメディア・データの保護
US11/995,677 US8627081B2 (en) 2005-07-14 2006-07-14 Multimedia data protection
EP06764966.5A EP1913774B1 (en) 2005-07-14 2006-07-14 Multimedia data protection
PCT/GB2006/002619 WO2007007112A2 (en) 2005-07-14 2006-07-14 Multimedia data protection
RU2008104050/08A RU2449494C2 (ru) 2005-07-14 2006-07-14 Способ защиты мультимедийных данных
CA002615469A CA2615469A1 (en) 2005-07-14 2006-07-14 Multimedia data protection
AU2006268017A AU2006268017A1 (en) 2005-07-14 2006-07-14 Multimedia data protection
CNA2006800256929A CN101233755A (zh) 2005-07-14 2006-07-14 多媒体数据保护
KR1020087003597A KR20080037025A (ko) 2005-07-14 2006-07-14 멀티미디어 데이터 보호
JP2012237848A JP2013059078A (ja) 2005-07-14 2012-10-29 マルチメディア・データの保護
US14/109,888 US20140189358A1 (en) 2005-07-14 2013-12-17 Multimedia data protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0514492.8A GB0514492D0 (en) 2005-07-14 2005-07-14 Secure media streaming

Publications (1)

Publication Number Publication Date
GB0514492D0 true GB0514492D0 (en) 2005-08-17

Family

ID=34897225

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0514492.8A Ceased GB0514492D0 (en) 2005-07-14 2005-07-14 Secure media streaming
GB0802795A Expired - Fee Related GB2442691B (en) 2005-07-14 2006-07-14 Transmission of data to a client computer

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0802795A Expired - Fee Related GB2442691B (en) 2005-07-14 2006-07-14 Transmission of data to a client computer

Country Status (10)

Country Link
US (2) US8627081B2 (enExample)
EP (1) EP1913774B1 (enExample)
JP (2) JP2009501470A (enExample)
KR (1) KR20080037025A (enExample)
CN (1) CN101233755A (enExample)
AU (1) AU2006268017A1 (enExample)
CA (1) CA2615469A1 (enExample)
GB (2) GB0514492D0 (enExample)
RU (1) RU2449494C2 (enExample)
WO (1) WO2007007112A2 (enExample)

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US20090132823A1 (en) 2009-05-21
AU2006268017A1 (en) 2007-01-18
JP2013059078A (ja) 2013-03-28
GB2442691A (en) 2008-04-09
WO2007007112A3 (en) 2007-06-14
RU2008104050A (ru) 2009-08-20
RU2449494C2 (ru) 2012-04-27
WO2007007112A2 (en) 2007-01-18
EP1913774A2 (en) 2008-04-23
CA2615469A1 (en) 2007-01-18
EP1913774B1 (en) 2019-02-27
JP2009501470A (ja) 2009-01-15
US8627081B2 (en) 2014-01-07
KR20080037025A (ko) 2008-04-29
US20140189358A1 (en) 2014-07-03
CN101233755A (zh) 2008-07-30
GB2442691B (en) 2011-05-25

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