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FR2871017B1 - Procede de diffusion de donnees numeriques a un parc de terminaux recepteurs cible - Google Patents

Procede de diffusion de donnees numeriques a un parc de terminaux recepteurs cible

Info

Publication number
FR2871017B1
FR2871017B1 FR0451064A FR0451064A FR2871017B1 FR 2871017 B1 FR2871017 B1 FR 2871017B1 FR 0451064 A FR0451064 A FR 0451064A FR 0451064 A FR0451064 A FR 0451064A FR 2871017 B1 FR2871017 B1 FR 2871017B1
Authority
FR
France
Prior art keywords
park
diffusion
digital data
receiving terminals
target receiving
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 - Lifetime
Application number
FR0451064A
Other languages
English (en)
Other versions
FR2871017A1 (fr
Inventor
Frederic Beun
Laurence Boudier
Pierre Roque
Bruno Tronel
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
Application filed by Viaccess SAS filed Critical Viaccess SAS
Priority to FR0451064A priority Critical patent/FR2871017B1/fr
Priority to CNA200580016924XA priority patent/CN101032167A/zh
Priority to KR1020067024794A priority patent/KR101366812B1/ko
Priority to EP05766645A priority patent/EP1749401A1/fr
Priority to PCT/FR2005/050358 priority patent/WO2005120066A1/fr
Priority to US11/597,536 priority patent/US8259940B2/en
Publication of FR2871017A1 publication Critical patent/FR2871017A1/fr
Application granted granted Critical
Publication of FR2871017B1 publication Critical patent/FR2871017B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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]
    • H04N21/20—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
    • 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
    • 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
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • 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
    • H04N21/4405—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
    • H04N21/44055—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 by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
    • 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
    • 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
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Storage Device Security (AREA)
FR0451064A 2004-05-28 2004-05-28 Procede de diffusion de donnees numeriques a un parc de terminaux recepteurs cible Expired - Lifetime FR2871017B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR0451064A FR2871017B1 (fr) 2004-05-28 2004-05-28 Procede de diffusion de donnees numeriques a un parc de terminaux recepteurs cible
CNA200580016924XA CN101032167A (zh) 2004-05-28 2005-05-24 将数字数据传送到一组目标接收终端的方法
KR1020067024794A KR101366812B1 (ko) 2004-05-28 2005-05-24 목표한 수신 단말들의 그룹으로 디지털 데이터를 전송하는방법
EP05766645A EP1749401A1 (fr) 2004-05-28 2005-05-24 Procede de diffusion de donnees numeriques a un parc de terminaux recepteurs cible
PCT/FR2005/050358 WO2005120066A1 (fr) 2004-05-28 2005-05-24 Procede de diffusion de donnees numeriques a un parc de terminaux recepteurs cible
US11/597,536 US8259940B2 (en) 2004-05-28 2005-05-24 Method for broadcasting digital data to a targeted set of reception terminals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0451064A FR2871017B1 (fr) 2004-05-28 2004-05-28 Procede de diffusion de donnees numeriques a un parc de terminaux recepteurs cible

Publications (2)

Publication Number Publication Date
FR2871017A1 FR2871017A1 (fr) 2005-12-02
FR2871017B1 true FR2871017B1 (fr) 2008-02-29

Family

ID=34945691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0451064A Expired - Lifetime FR2871017B1 (fr) 2004-05-28 2004-05-28 Procede de diffusion de donnees numeriques a un parc de terminaux recepteurs cible

Country Status (6)

Country Link
US (1) US8259940B2 (fr)
EP (1) EP1749401A1 (fr)
KR (1) KR101366812B1 (fr)
CN (1) CN101032167A (fr)
FR (1) FR2871017B1 (fr)
WO (1) WO2005120066A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2866772B1 (fr) * 2004-02-20 2006-04-28 Viaccess Sa Procede d'appariement d'un terminal recepteur avec une pluralite de cartes de controle d'acces
EP1742475A1 (fr) * 2005-07-07 2007-01-10 Nagravision S.A. Méthode de contrôle d'accès à des données chiffrées
EP1773055B1 (fr) * 2005-10-07 2014-12-03 Nagra France SAS Méthode de vérification de droits contenus dans un module de sécurité
US7970138B2 (en) * 2006-05-26 2011-06-28 Syphermedia International Method and apparatus for supporting broadcast efficiency and security enhancements
ITMI20080468A1 (it) * 2008-03-19 2009-09-20 Ro Ve R Lab S P A Dispositivo per la misurazione di segnali televisivi
EP2129116A1 (fr) 2008-05-29 2009-12-02 Nagravision S.A. Unité et méthode de traitement sécurisé de données audio/vidéo à accès contrôlé
EP2141924A1 (fr) * 2008-07-03 2010-01-06 Gemplus Procédé pour assurer la sécurité de diffusion de données en masse, et dispositifs associés
FR2941114B1 (fr) * 2009-01-13 2011-07-01 Viaccess Sa Procede et module de renouvellement du code d'un algorithme cryptographique, procede et module de generation d'une graine, processeur de securite et support d'enregistrement pour ces procedes
EP2257062A1 (fr) * 2009-05-25 2010-12-01 Nagravision S.A. Procédé de contrôle d'accès à des services média
EP2334069A1 (fr) * 2009-12-11 2011-06-15 Irdeto Access B.V. Fourniture de mots de commande à un récepteur
US8782417B2 (en) 2009-12-17 2014-07-15 Nagravision S.A. Method and processing unit for secure processing of access controlled audio/video data
EP2337347A1 (fr) 2009-12-17 2011-06-22 Nagravision S.A. Procédé et unité de traitement pour le traitement sécurisé de données audio/vidéo à l'accès contrôlé
EP2367317A1 (fr) * 2010-03-17 2011-09-21 Logiways France Procédé et système de protection d'un signal d'informations par un mot de contrôle
EP2802152B1 (fr) 2013-05-07 2017-07-05 Nagravision S.A. Procédé de traitement sécurisé d'un flux de données audio/vidéo numériques chiffrées
CN112073660B (zh) * 2020-09-15 2023-03-10 深圳Tcl数字技术有限公司 Tlv数据生成方法、读取方法、智能设备及存储介质

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FR2680589A1 (fr) * 1991-08-19 1993-02-26 France Telecom Procede d'emission et de reception de programmes personnalises.
US6252964B1 (en) * 1995-04-03 2001-06-26 Scientific-Atlanta, Inc. Authorization of services in a conditional access system
DE19630707A1 (de) * 1996-07-30 1998-02-05 Deutsche Telekom Ag Verfahren und Anordnungen zur Vermeidung unberechtiger Benutzung von Verteilernetzen
US6061451A (en) * 1996-09-03 2000-05-09 Digital Vision Laboratories Corporation Apparatus and method for receiving and decrypting encrypted data and protecting decrypted data from illegal use
US20010050990A1 (en) * 1997-02-19 2001-12-13 Frank Wells Sudia Method for initiating a stream-oriented encrypted communication
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US7730300B2 (en) * 1999-03-30 2010-06-01 Sony Corporation Method and apparatus for protecting the transfer of data
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JP4517436B2 (ja) 2000-02-09 2010-08-04 ソニー株式会社 受信システム、受信装置、及び受信システムの制御方法
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Also Published As

Publication number Publication date
KR101366812B1 (ko) 2014-02-21
FR2871017A1 (fr) 2005-12-02
EP1749401A1 (fr) 2007-02-07
KR20070030798A (ko) 2007-03-16
US8259940B2 (en) 2012-09-04
US20070223695A1 (en) 2007-09-27
WO2005120066A1 (fr) 2005-12-15
CN101032167A (zh) 2007-09-05

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