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FR2974475B1 - Procede de protection d'un contenu multimedia enregistre - Google Patents

Procede de protection d'un contenu multimedia enregistre

Info

Publication number
FR2974475B1
FR2974475B1 FR1153391A FR1153391A FR2974475B1 FR 2974475 B1 FR2974475 B1 FR 2974475B1 FR 1153391 A FR1153391 A FR 1153391A FR 1153391 A FR1153391 A FR 1153391A FR 2974475 B1 FR2974475 B1 FR 2974475B1
Authority
FR
France
Prior art keywords
multimedia content
recorded multimedia
protecting recorded
protecting
content
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.)
Expired - Fee Related
Application number
FR1153391A
Other languages
English (en)
Other versions
FR2974475A1 (fr
Inventor
Mathieu Boivin
Gilles Dubroeucq
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.)
Viaccess SAS
Original Assignee
Viaccess SAS
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 to FR1153391A priority Critical patent/FR2974475B1/fr
Application filed by Viaccess SAS filed Critical Viaccess SAS
Priority to PCT/EP2012/056607 priority patent/WO2012143278A1/fr
Priority to CN201280019264.0A priority patent/CN103535044B/zh
Priority to EP12717074.4A priority patent/EP2700239A1/fr
Priority to RU2013151260/08A priority patent/RU2547228C1/ru
Priority to US14/112,420 priority patent/US8996870B2/en
Priority to TW101113859A priority patent/TWI452888B/zh
Publication of FR2974475A1 publication Critical patent/FR2974475A1/fr
Application granted granted Critical
Publication of FR2974475B1 publication Critical patent/FR2974475B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • 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
    • H04N21/258—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
    • H04N21/25866—Management of end-user data
    • H04N21/25875—Management of end-user data involving end-user 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
    • H04N21/26606—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]
    • H04N21/20—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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • 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
    • H04N21/44—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
    • H04N21/4408—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 encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • 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 program guide from data received from the Internet and a Head-end, 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
    • 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
    • H04N21/632—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 using a connection between clients on a wide area network, e.g. setting up a peer-to-peer communication via Internet for retrieving video segments from the hard-disk of other client devices
    • 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]
    • H04N21/26609—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] using retrofitting techniques, e.g. by re-encrypting the control words used for pre-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]
    • H04N21/60—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
    • 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)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Graphics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FR1153391A 2011-04-19 2011-04-19 Procede de protection d'un contenu multimedia enregistre Expired - Fee Related FR2974475B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR1153391A FR2974475B1 (fr) 2011-04-19 2011-04-19 Procede de protection d'un contenu multimedia enregistre
CN201280019264.0A CN103535044B (zh) 2011-04-19 2012-04-12 保护记录的多媒体内容的方法
EP12717074.4A EP2700239A1 (fr) 2011-04-19 2012-04-12 Procédé de protection d'un contenu multimédia enregistré
RU2013151260/08A RU2547228C1 (ru) 2011-04-19 2012-04-12 Способ для защиты записанного мультимедийного содержания
PCT/EP2012/056607 WO2012143278A1 (fr) 2011-04-19 2012-04-12 Procede de protection d'un contenu multimedia enregistre
US14/112,420 US8996870B2 (en) 2011-04-19 2012-04-12 Method for protecting a recorded multimedia content
TW101113859A TWI452888B (zh) 2011-04-19 2012-04-18 記錄的多媒體內容之保護方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1153391A FR2974475B1 (fr) 2011-04-19 2011-04-19 Procede de protection d'un contenu multimedia enregistre

Publications (2)

Publication Number Publication Date
FR2974475A1 FR2974475A1 (fr) 2012-10-26
FR2974475B1 true FR2974475B1 (fr) 2015-06-05

Family

ID=46001181

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1153391A Expired - Fee Related FR2974475B1 (fr) 2011-04-19 2011-04-19 Procede de protection d'un contenu multimedia enregistre

Country Status (7)

Country Link
US (1) US8996870B2 (fr)
EP (1) EP2700239A1 (fr)
CN (1) CN103535044B (fr)
FR (1) FR2974475B1 (fr)
RU (1) RU2547228C1 (fr)
TW (1) TWI452888B (fr)
WO (1) WO2012143278A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101564421B1 (ko) * 2014-05-02 2015-10-29 삼성전자주식회사 동영상 처리 장치 및 방법
CN105446926B (zh) * 2014-09-09 2020-09-22 纳瑞塔有限责任公司 用于执行传输i/o的usb接口
US10511390B2 (en) * 2014-09-25 2019-12-17 Koninklijke Philips N.V. Data sharing using body coupled communication
WO2016131854A1 (fr) * 2015-02-17 2016-08-25 Smardtv S.A. Système de redistribution sécurisée d'un contenu d'accès conditionnel au sein d'un réseau d'accueil
FR3038415B1 (fr) * 2015-07-01 2017-08-11 Viaccess Sa Procede de fourniture d’un contenu multimedia protege
FR3044442B1 (fr) * 2015-11-27 2018-02-09 Viaccess Procede d’identification de processeurs de securite.
EP4160989A1 (fr) * 2016-09-26 2023-04-05 Google LLC Interface utilisateur pour un partage de poste à poste autorisé par contrôle d'accès
CN106454488B (zh) * 2016-10-09 2019-06-11 深圳创维数字技术有限公司 一种基于机顶盒的节目录制与回放方法及系统
US10333875B2 (en) * 2016-11-28 2019-06-25 Snap Inc. Processing media content in a messaging system
CN110476161B (zh) * 2017-04-26 2023-09-29 谷歌有限责任公司 生成包括与媒体内容项组合的插页式广告的媒体内容播放列表
US10592685B2 (en) 2017-04-27 2020-03-17 Google Llc Encrypted search cloud service with cryptographic sharing

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NZ500194A (en) * 1997-03-21 2000-12-22 Canal Plus Sa Broadcasting randomized subscriber entitlement management messages for digital television
NZ500195A (en) * 1997-03-21 2002-09-27 Canal Plus Sa Decryption of broadcast signals using smartcard with multiple memory zones
JPH10301492A (ja) * 1997-04-23 1998-11-13 Sony Corp 暗号化装置および方法、復号装置および方法、並びに情報処理装置および方法
US6697489B1 (en) * 1999-03-30 2004-02-24 Sony Corporation Method and apparatus for securing control words
US7774279B2 (en) 2001-05-31 2010-08-10 Contentguard Holdings, Inc. Rights offering and granting
CN1539115A (zh) 2001-06-07 2004-10-20 ��̹�е¿عɹɷ����޹�˾ 管理权限转移的方法和装置
WO2004055650A1 (fr) 2002-12-17 2004-07-01 Koninklijke Philips Electronics N.V. Systeme permettant le partage de contenus
US20060294026A1 (en) 2002-12-17 2006-12-28 Schellingerhout Nicolaas W Digital rights conversion system
JP4352710B2 (ja) * 2003-01-29 2009-10-28 セイコーエプソン株式会社 情報視聴システム
US7379548B2 (en) * 2003-01-31 2008-05-27 Nds Limited Virtual smart card device, method and system
US7599494B2 (en) * 2004-01-16 2009-10-06 The Directv Group, Inc. Distribution of video content using a trusted network key for sharing content
US20050262529A1 (en) * 2004-05-20 2005-11-24 Raja Neogi Method, apparatus and system for remote real-time access of multimedia content
EP1672831A1 (fr) * 2004-12-16 2006-06-21 Nagravision S.A. Méthode de transmission de données numériques dans un réseau local
JP2007156523A (ja) 2005-11-30 2007-06-21 Toshiba Corp 情報端末装置
FR2902585B1 (fr) * 2006-06-14 2008-09-26 Viaccess Sa Procedes de diffusion et de reception d'un programme multimedia embrouille, tete de reseau, terminal, recepteur et processeur de securite pour ces procedes
US9277295B2 (en) * 2006-06-16 2016-03-01 Cisco Technology, Inc. Securing media content using interchangeable encryption key
US8345869B2 (en) * 2007-04-11 2013-01-01 The Directv Group, Inc. Method and apparatus for file sharing of missing content between a group of user devices in a peer-to-peer network
RU2374770C1 (ru) * 2008-04-16 2009-11-27 Государственное образовательное учреждение высшего профессионального образования "Поволжская государственная академия телекоммуникаций и информатики" Способ стеганографического сокрытия информации
JP4666015B2 (ja) * 2008-07-08 2011-04-06 ソニー株式会社 コンテンツ配信システム、コンテンツ受信端末、及びコンテンツ配信方法

Also Published As

Publication number Publication date
FR2974475A1 (fr) 2012-10-26
US8996870B2 (en) 2015-03-31
CN103535044A (zh) 2014-01-22
TWI452888B (zh) 2014-09-11
TW201244439A (en) 2012-11-01
CN103535044B (zh) 2016-10-12
RU2547228C1 (ru) 2015-04-10
WO2012143278A1 (fr) 2012-10-26
US20140059349A1 (en) 2014-02-27
EP2700239A1 (fr) 2014-02-26

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