FR2861237B1 - Procede de controle d'acces a des donnees numeriques embrouillees - Google Patents

Procede de controle d'acces a des donnees numeriques embrouillees

Info

Publication number
FR2861237B1
FR2861237B1 FR0350686A FR0350686A FR2861237B1 FR 2861237 B1 FR2861237 B1 FR 2861237B1 FR 0350686 A FR0350686 A FR 0350686A FR 0350686 A FR0350686 A FR 0350686A FR 2861237 B1 FR2861237 B1 FR 2861237B1
Authority
FR
France
Prior art keywords
digitted
digital data
controlling access
access
controlling
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
FR0350686A
Other languages
English (en)
Other versions
FR2861237A1 (fr
Inventor
Jean Pierre Vigarie
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 FR0350686A priority Critical patent/FR2861237B1/fr
Priority to PCT/FR2004/002620 priority patent/WO2005039178A1/fr
Publication of FR2861237A1 publication Critical patent/FR2861237A1/fr
Application granted granted Critical
Publication of FR2861237B1 publication Critical patent/FR2861237B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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]
    • H04N21/40—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]
    • H04N21/20—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
    • H04N21/25841—Management of client data involving the geographical location of the client
    • 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
    • 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)
  • Databases & Information Systems (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
FR0350686A 2003-10-15 2003-10-15 Procede de controle d'acces a des donnees numeriques embrouillees Expired - Fee Related FR2861237B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0350686A FR2861237B1 (fr) 2003-10-15 2003-10-15 Procede de controle d'acces a des donnees numeriques embrouillees
PCT/FR2004/002620 WO2005039178A1 (fr) 2003-10-15 2004-10-14 Procede de controle d'acces a des donnees numeriques embrouillees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0350686A FR2861237B1 (fr) 2003-10-15 2003-10-15 Procede de controle d'acces a des donnees numeriques embrouillees

Publications (2)

Publication Number Publication Date
FR2861237A1 FR2861237A1 (fr) 2005-04-22
FR2861237B1 true FR2861237B1 (fr) 2005-12-30

Family

ID=34385401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0350686A Expired - Fee Related FR2861237B1 (fr) 2003-10-15 2003-10-15 Procede de controle d'acces a des donnees numeriques embrouillees

Country Status (2)

Country Link
FR (1) FR2861237B1 (fr)
WO (1) WO2005039178A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100735280B1 (ko) 2005-06-16 2007-07-03 삼성전자주식회사 디지털 멀티미디어 방송 시청을 지역적으로 제한하기 위한제한 수신 방법 및 디지털 멀티미디어 방송 시스템
EP2849448A1 (fr) 2013-09-13 2015-03-18 Nagravision S.A. Méthode pour contrôler l'accès à du contenu diffusé

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6560340B1 (en) * 1995-04-03 2003-05-06 Scientific-Atlanta, Inc. Method and apparatus for geographically limiting service in a conditional access system
US5621793A (en) * 1995-05-05 1997-04-15 Rubin, Bednarek & Associates, Inc. TV set top box using GPS

Also Published As

Publication number Publication date
FR2861237A1 (fr) 2005-04-22
WO2005039178A1 (fr) 2005-04-28

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20160630