BRPI0407202A - Sistema de televisão paga, método para revogar direitos em tal sistema, decodificador e cartão inteligente associados e mensagem transmitida para tal decodificador - Google Patents

Sistema de televisão paga, método para revogar direitos em tal sistema, decodificador e cartão inteligente associados e mensagem transmitida para tal decodificador

Info

Publication number
BRPI0407202A
BRPI0407202A BR0407202-2A BRPI0407202A BRPI0407202A BR PI0407202 A BRPI0407202 A BR PI0407202A BR PI0407202 A BRPI0407202 A BR PI0407202A BR PI0407202 A BRPI0407202 A BR PI0407202A
Authority
BR
Brazil
Prior art keywords
decoder
messages
rights
pay
revoking
Prior art date
Application number
BR0407202-2A
Other languages
English (en)
Inventor
Jean-Luc Dauvois
Original Assignee
Canal Plus Technologies
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 Canal Plus Technologies filed Critical Canal Plus Technologies
Publication of BRPI0407202A publication Critical patent/BRPI0407202A/pt

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
    • H04N21/258—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
    • 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
    • H04N21/266—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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • 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
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47211—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting pay-per-view content
    • 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
    • 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
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Graphics (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

"SISTEMA DE TELEVISãO PAGA, MéTODO PARA REVOGAR DIREITOS EM TAL SISTEMA, DECODIFICADOR E CARTãO INTELIGENTE ASSOCIADOS E MENSAGEM TRANSMITIDA PARA TAL DECODIFICADOR". A invenção se refere a um método para revogar direitos de acesso a um programa audiovisual recebido por um decodificador (11) compreendendo as etapas de: transmitir as primeiras mensagens (ECM) contendo palavras de controle criptografadas, cada palavra de controle (CW) sendo usada para desembaralhar o sinal audiovisual recebido por um dado período de tempo, segundas mensagens (EMM) compreendendo, cada uma, dados alocando direitos de usuário; descriptografação no decodificador, ou em um objeto portátil associado com o mesmo, das primeiras mensagens a fim de produzir palavras de controle (CW ) para desembaralhar o referido sinal audiovisual recebido pelo decodificador (11), transmissão das terceiras mensagens híbridas resultando, cada uma, de uma combinação de pelo menos uma palavra de controle criptografada (CW), um endereço de decodificador e uma informação de revogação de direito.
BR0407202-2A 2003-02-04 2004-01-30 Sistema de televisão paga, método para revogar direitos em tal sistema, decodificador e cartão inteligente associados e mensagem transmitida para tal decodificador BRPI0407202A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0301243A FR2850822A1 (fr) 2003-02-04 2003-02-04 Systeme de television a peage, procede de revocation de droits dans un tel systeme, decodeur et carte a puce associes, et message transmis a un tel decodeur
PCT/EP2004/050060 WO2004071087A1 (fr) 2003-02-04 2004-01-30 Systeme de television a peage, procede de revocation de droits dans un tel systeme, decodeur et carte a puce associes, et message transmis a un tel decodeur

Publications (1)

Publication Number Publication Date
BRPI0407202A true BRPI0407202A (pt) 2006-01-24

Family

ID=32696328

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0407202-2A BRPI0407202A (pt) 2003-02-04 2004-01-30 Sistema de televisão paga, método para revogar direitos em tal sistema, decodificador e cartão inteligente associados e mensagem transmitida para tal decodificador

Country Status (10)

Country Link
EP (1) EP1595399B1 (pt)
JP (1) JP4521392B2 (pt)
KR (1) KR100989473B1 (pt)
CN (1) CN100438617C (pt)
BR (1) BRPI0407202A (pt)
DE (1) DE602004003346T2 (pt)
ES (1) ES2276273T3 (pt)
FR (1) FR2850822A1 (pt)
MX (1) MXPA05008152A (pt)
WO (1) WO2004071087A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1631086A1 (fr) * 2004-08-30 2006-03-01 Nagra France Sarl Méthode de composition de messages de sécurité pour contenu encrypté
EP1720350A1 (fr) * 2005-05-03 2006-11-08 Nagracard S.A. Module de sécurité destiné au contrôle d'accès à des contenus
FR2891104A1 (fr) * 2005-09-22 2007-03-23 Viaccess Sa Procede de lutte contre l'usage frauduleux d'un terminal de reception de donnees numeriques
PT1773055E (pt) * 2005-10-07 2015-02-27 Nagra France Sas Método de verificação de direitos contidos num módulo de segurança
CN100547955C (zh) * 2007-11-09 2009-10-07 北京创毅视讯科技有限公司 一种移动多媒体业务保护的方法、系统及设备
EP2061243A1 (fr) * 2007-11-13 2009-05-20 Nagravision S.A. Procédé pour l'accés á des données á accés conditionnel
EP2265013A1 (fr) * 2009-06-19 2010-12-22 France Telecom Transmission de contenu vers un équipement client comportant au moins un module de décodage et un module de sécurité
EP2355503A1 (en) 2010-02-04 2011-08-10 Nagravision S.A. Method to manage members of at least one group of decoders having access to audio/video data
EP2362635B1 (en) * 2010-02-25 2013-04-03 Irdeto B.V. Disabling a cleartext control word loading mechanism in a conditional access system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69312828T2 (de) * 1992-09-14 1997-11-27 Thomson Multimedia Sa Zugriffsteuerungsverfahren
FR2750554B1 (fr) * 1996-06-28 1998-08-14 Thomson Multimedia Sa Systeme a acces conditionnel et carte a puce permettant un tel acces
JPH10191302A (ja) * 1996-12-27 1998-07-21 Matsushita Electric Ind Co Ltd デジタル衛星放送受信装置
FR2769779B1 (fr) * 1997-10-14 1999-11-12 Thomson Multimedia Sa Procede de controle d'acces a un reseau domestique et dispositif mettant en oeuvre le procede
EP1026898A1 (en) * 1999-02-04 2000-08-09 CANAL+ Société Anonyme Method and apparatus for encrypted transmission
EP1111923A1 (en) * 1999-12-22 2001-06-27 Irdeto Access B.V. Method for operating a conditional access system for broadcast applications
JP2001333407A (ja) * 2000-05-24 2001-11-30 Toshiba Corp 有料放送システム、有料放送受信機及び有料放送タイムシフト視聴方法
CN1111335C (zh) * 2000-12-15 2003-06-11 上海南广电子技术有限公司 宽带数据广播中窄带条件接收方法
JP2002281477A (ja) * 2001-03-16 2002-09-27 Nippon Hoso Kyokai <Nhk> 限定受信システム、送出装置、及び再送信装置

Also Published As

Publication number Publication date
WO2004071087A1 (fr) 2004-08-19
FR2850822A1 (fr) 2004-08-06
KR20050118164A (ko) 2005-12-15
KR100989473B1 (ko) 2010-10-22
MXPA05008152A (es) 2005-09-30
EP1595399B1 (fr) 2006-11-22
JP2006518134A (ja) 2006-08-03
ES2276273T3 (es) 2007-06-16
JP4521392B2 (ja) 2010-08-11
CN1745585A (zh) 2006-03-08
EP1595399A1 (fr) 2005-11-16
DE602004003346D1 (de) 2007-01-04
DE602004003346T2 (de) 2007-05-31
CN100438617C (zh) 2008-11-26

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NAGRA THOMSON LICENSING (FR)

B25G Requested change of headquarter approved

Owner name: NAGRA THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: NAGRA FRANCE SAS (FR)

B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 11/07/2017, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 17A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2616 DE 23-02-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.