RU2007143552A - Устройство и способ обработки зашифрованного потока данных - Google Patents

Устройство и способ обработки зашифрованного потока данных Download PDF

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Publication number
RU2007143552A
RU2007143552A RU2007143552/09A RU2007143552A RU2007143552A RU 2007143552 A RU2007143552 A RU 2007143552A RU 2007143552/09 A RU2007143552/09 A RU 2007143552/09A RU 2007143552 A RU2007143552 A RU 2007143552A RU 2007143552 A RU2007143552 A RU 2007143552A
Authority
RU
Russia
Prior art keywords
decryption
data stream
encrypted data
messages
message
Prior art date
Application number
RU2007143552/09A
Other languages
English (en)
Russian (ru)
Inventor
Эрик МОРС (AT)
Эрик МОРС
Роланд МАНДЕРС (AT)
Роланд МАНДЕРС
Альберт РЕЙКАРТ (AT)
Альберт РЕЙКАРТ
Original Assignee
Конинклейке Филипс Электроникс Н.В. (Nl)
Конинклейке Филипс Электроникс Н.В.
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 Конинклейке Филипс Электроникс Н.В. (Nl), Конинклейке Филипс Электроникс Н.В. filed Critical Конинклейке Филипс Электроникс Н.В. (Nl)
Publication of RU2007143552A publication Critical patent/RU2007143552A/ru

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • H04N7/165—Centralised control of user terminal ; Registering at central
    • 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
    • H04N21/43—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
    • H04N21/4402—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 reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440281—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 reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
    • 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
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
RU2007143552/09A 2005-04-26 2006-04-25 Устройство и способ обработки зашифрованного потока данных RU2007143552A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05103397 2005-04-26
EP05103397.5 2005-04-26

Publications (1)

Publication Number Publication Date
RU2007143552A true RU2007143552A (ru) 2009-06-10

Family

ID=37101997

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2007143552/09A RU2007143552A (ru) 2005-04-26 2006-04-25 Устройство и способ обработки зашифрованного потока данных

Country Status (8)

Country Link
US (1) US20080170687A1 (https=)
EP (1) EP1908284A2 (https=)
JP (1) JP2008539640A (https=)
KR (1) KR20080006628A (https=)
CN (1) CN101268692A (https=)
BR (1) BRPI0609564A2 (https=)
RU (1) RU2007143552A (https=)
WO (1) WO2006114762A2 (https=)

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CN101848079B (zh) * 2010-05-28 2013-02-06 中国科学院软件研究所 一种面向字、带记忆的序列扰动方法及加密方法
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JP6107127B2 (ja) * 2012-12-27 2017-04-05 住友電気工業株式会社 画像出力装置、画像出力方法および画像出力プログラム
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US9792026B2 (en) 2014-04-10 2017-10-17 JBF Interlude 2009 LTD Dynamic timeline for branched video
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US11412276B2 (en) 2014-10-10 2022-08-09 JBF Interlude 2009 LTD Systems and methods for parallel track transitions
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US10582265B2 (en) 2015-04-30 2020-03-03 JBF Interlude 2009 LTD Systems and methods for nonlinear video playback using linear real-time video players
US10460765B2 (en) 2015-08-26 2019-10-29 JBF Interlude 2009 LTD Systems and methods for adaptive and responsive video
AT517983B1 (de) * 2015-11-18 2018-11-15 Siemens Ag Oesterreich Schutz eines Computersystems vor Seitenkanalattacken
US11164548B2 (en) 2015-12-22 2021-11-02 JBF Interlude 2009 LTD Intelligent buffering of large-scale video
US11128853B2 (en) 2015-12-22 2021-09-21 JBF Interlude 2009 LTD Seamless transitions in large-scale video
US10462202B2 (en) 2016-03-30 2019-10-29 JBF Interlude 2009 LTD Media stream rate synchronization
US11856271B2 (en) 2016-04-12 2023-12-26 JBF Interlude 2009 LTD Symbiotic interactive video
US10218760B2 (en) 2016-06-22 2019-02-26 JBF Interlude 2009 LTD Dynamic summary generation for real-time switchable videos
US11050809B2 (en) 2016-12-30 2021-06-29 JBF Interlude 2009 LTD Systems and methods for dynamic weighting of branched video paths
CN107613317A (zh) * 2017-09-08 2018-01-19 康佳集团股份有限公司 一种播放本地加密媒体的方法、存储介质及智能电视
US10257578B1 (en) 2018-01-05 2019-04-09 JBF Interlude 2009 LTD Dynamic library display for interactive videos
US11601721B2 (en) 2018-06-04 2023-03-07 JBF Interlude 2009 LTD Interactive video dynamic adaptation and user profiling
US11490047B2 (en) 2019-10-02 2022-11-01 JBF Interlude 2009 LTD Systems and methods for dynamically adjusting video aspect ratios
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Also Published As

Publication number Publication date
WO2006114762A3 (en) 2008-02-21
KR20080006628A (ko) 2008-01-16
CN101268692A (zh) 2008-09-17
EP1908284A2 (en) 2008-04-09
JP2008539640A (ja) 2008-11-13
BRPI0609564A2 (pt) 2011-10-18
WO2006114762A2 (en) 2006-11-02
US20080170687A1 (en) 2008-07-17

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Date Code Title Description
FA94 Acknowledgement of application withdrawn (non-payment of fees)

Effective date: 20110404