CN1146235C - 广播数字电视的条件存取方法 - Google Patents

广播数字电视的条件存取方法 Download PDF

Info

Publication number
CN1146235C
CN1146235C CNB998106925A CN99810692A CN1146235C CN 1146235 C CN1146235 C CN 1146235C CN B998106925 A CNB998106925 A CN B998106925A CN 99810692 A CN99810692 A CN 99810692A CN 1146235 C CN1146235 C CN 1146235C
Authority
CN
China
Prior art keywords
smart card
event
key
information
server
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
CNB998106925A
Other languages
English (en)
Chinese (zh)
Other versions
CN1317202A (zh
Inventor
A��M����˹����¸�³
A·M·埃斯基齐奥格鲁
�Ү��
W·W·贝耶尔斯
E·A·赫雷迪尔
I·H·伊扎特
��������ķ������
Y·W·尼吉姆
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing 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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of CN1317202A publication Critical patent/CN1317202A/zh
Application granted granted Critical
Publication of CN1146235C publication Critical patent/CN1146235C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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 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
    • 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43607—Interfacing a plurality of external cards, e.g. through a DVB Common Interface [DVB-CI]
    • 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
    • H04N21/254—Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2543—Billing, e.g. for subscription services
    • 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
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/47805—Electronic banking
    • 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)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CNB998106925A 1998-07-17 1999-07-15 广播数字电视的条件存取方法 Expired - Fee Related CN1146235C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9322398P 1998-07-17 1998-07-17
US60/093223 1998-07-17

Publications (2)

Publication Number Publication Date
CN1317202A CN1317202A (zh) 2001-10-10
CN1146235C true CN1146235C (zh) 2004-04-14

Family

ID=22237819

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB998106925A Expired - Fee Related CN1146235C (zh) 1998-07-17 1999-07-15 广播数字电视的条件存取方法

Country Status (8)

Country Link
US (1) US7492897B1 (enExample)
EP (1) EP1097589B1 (enExample)
JP (1) JP4527284B2 (enExample)
KR (1) KR100622964B1 (enExample)
CN (1) CN1146235C (enExample)
AU (1) AU5316799A (enExample)
DE (1) DE69936347T2 (enExample)
WO (1) WO2000004717A1 (enExample)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6808111B2 (en) 1998-08-06 2004-10-26 Visa International Service Association Terminal software architecture for use with smart cards
US7908216B1 (en) 1999-07-22 2011-03-15 Visa International Service Association Internet payment, authentication and loading system using virtual smart card
FI112576B (fi) * 1999-12-03 2003-12-15 Sonera Oyj Laskutuksen järjestäminen yhteislähetyspalveluita tarjoavassa tietoliikennejärjestelmässä
SG103829A1 (en) * 2000-01-28 2004-05-26 Canon Kk Digital contents distribution system, digital contents distribution method, roaming server, information processor, and information processing method
AU2001247350B2 (en) * 2000-03-10 2006-07-20 Visa International Service Association Cable television payment and load system using smart card
DE60037208T2 (de) * 2000-07-05 2008-04-03 Telefonaktiebolaget Lm Ericsson (Publ) Telesystem mit koppeleinrichtung und verfahren in verbindung damit
JP2002032668A (ja) * 2000-07-17 2002-01-31 Sony Corp 課金情報処理方法及び課金情報処理装置
US8140859B1 (en) 2000-07-21 2012-03-20 The Directv Group, Inc. Secure storage and replay of media programs using a hard-paired receiver and storage device
US7457414B1 (en) * 2000-07-21 2008-11-25 The Directv Group, Inc. Super encrypted storage and retrieval of media programs with smartcard generated keys
KR100441065B1 (ko) * 2000-09-27 2004-07-19 지은묵 인터넷 방송 시청 지원 시스템 및 그 방법
US7325049B2 (en) * 2000-12-29 2008-01-29 Intel Corporation Alert management messaging
US6725459B2 (en) * 2001-02-09 2004-04-20 Scientific-Atlanta, Inc. Descrambling device for use in a conditional access system
JP4455053B2 (ja) 2001-06-08 2010-04-21 イルデト、アインドーフェン、ベスローテン、フェンノートシャップ 制御ワードを用いて暗号化されたサービスに選択的にアクセスするデバイス及び方法並びにスマートカード
US7409562B2 (en) 2001-09-21 2008-08-05 The Directv Group, Inc. Method and apparatus for encrypting media programs for later purchase and viewing
EP1304881A1 (de) * 2001-10-15 2003-04-23 Beta Research GmbH Verfahren und Vorrichtung zum Bereitstellen von Daten
US7376625B2 (en) 2001-11-15 2008-05-20 Nokia Corporation System and method for activating individualized software modules in a digital broadcast environment
JP2005523657A (ja) * 2002-04-19 2005-08-04 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ コンディショナル・アクセス・システム及び装置
KR20040044603A (ko) * 2002-11-21 2004-05-31 서두인칩 주식회사 유료 방송 시청을 위한 위성 수신기
EP1447976B1 (en) * 2003-02-12 2019-06-19 Irdeto B.V. Method of controlling descrambling of a plurality of program transport streams, receiver system and portable secure device
US8782687B2 (en) * 2003-04-30 2014-07-15 At&T Intellectual Property I, Lp Multi-platform digital television
KR100574974B1 (ko) 2004-02-26 2006-05-02 삼성전자주식회사 암호화된 방송 데이터를 위한 제한수신기능과복제방지기능을 구비하는 장치 및 방법
CN101783927B (zh) * 2004-08-26 2012-06-06 富士通株式会社 内容管理方法及装置
CN100385943C (zh) * 2004-09-13 2008-04-30 北京东方广视科技有限责任公司 一种对有线电视信号进行加扰解扰的方法
EP1638331A1 (fr) * 2004-09-17 2006-03-22 Nagravision S.A. Procédé de gestion de moyens d'accès à des données à accès conditionnel
KR100784688B1 (ko) * 2005-01-26 2007-12-12 한국전자통신연구원 독립 인증 수단을 가지는 콘텐츠 실행 디바이스 콘텐츠 실행 방법 및 콘텐츠 재배포 방법
EP1867158B1 (en) * 2005-04-08 2011-09-07 Electronics and Telecommunications Research Institute Tool pack structure and contents execution device
US7770219B2 (en) * 2005-05-11 2010-08-03 Broadcom Corporation Method and system for using shared secrets to protect access to testing keys for set-top box
US9325944B2 (en) 2005-08-11 2016-04-26 The Directv Group, Inc. Secure delivery of program content via a removable storage medium
US8775319B2 (en) 2006-05-15 2014-07-08 The Directv Group, Inc. Secure content transfer systems and methods to operate the same
US8761394B2 (en) * 2006-12-28 2014-06-24 Echostar Technologies L.L.C. System and method for secure broadcast communication
CN101184218B (zh) * 2007-03-09 2012-02-01 深圳创维数字技术股份有限公司 一种数字电视服务系统处理信息的方法及装置
EP2356813B1 (en) * 2008-12-12 2017-03-22 Mediatek Inc. Transport stream processing apparatus capable of storing transport stream before the transport stream is descrambled and then descrambling the stored transport stream for playback
US8160248B2 (en) * 2009-04-02 2012-04-17 Broadcom Corporation Authenticated mode control
SE0950806A1 (sv) * 2009-10-29 2011-04-30 Cryptoguard Ab Förfarande och digitaltelevisionsystem
WO2021051002A1 (en) 2019-09-12 2021-03-18 Intertrust Technologies Corporation Dynamic broadcast content access management systems and methods
CN118870102B (zh) * 2024-07-26 2025-10-28 海信视像科技股份有限公司 一种显示设备、服务器及数字电视节目的解扰播放方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870474A (en) * 1995-12-04 1999-02-09 Scientific-Atlanta, Inc. Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers
US4484217A (en) 1982-05-11 1984-11-20 Telease, Inc. Method and system for remote reporting, particularly for pay television billing
JPS6024791A (ja) * 1983-06-10 1985-02-07 ジェネラル　インストルメント　コーポレーション 視聴料前払いテレビジヨン方法及び装置
AU559311B2 (en) * 1984-02-15 1987-03-05 Matsushita Electric Industrial Co., Ltd. Pay tv charge/time data display
ES2169054T3 (es) * 1986-04-18 2002-07-01 Nagra Plus Sa Sistema de television de pago.
DE3736985A1 (de) * 1987-10-31 1989-05-11 Grundig Emv Verfahren zur erfassung von gebuehren bei gebuehrenpflichtigen fernsehsendungen
GB9121995D0 (en) * 1991-10-16 1991-11-27 Jonhig Ltd Value transfer system
EP0787391B1 (en) * 1994-09-09 2002-01-23 The Titan Corporation Conditional access system
EP0715241B1 (en) * 1994-10-27 2004-01-14 Mitsubishi Corporation Apparatus for data copyright management system
US5652795A (en) * 1994-11-14 1997-07-29 Hughes Electronics Method and apparatus for an adapter card providing conditional access in a communication system
JP3614480B2 (ja) * 1994-11-18 2005-01-26 株式会社日立製作所 電子チケット販売・払戻システム及びその販売・払戻方法
DE69532028T2 (de) * 1994-12-13 2004-06-24 Mitsubishi Corp. Verschlüsselungssystem für sichere elektronische Transaktionen
GB9514525D0 (en) * 1995-07-15 1995-09-13 Philips Electronics Uk Ltd Data packet handling
FI100563B (fi) * 1996-01-30 1997-12-31 Nokia Oy Ab Digitaalisten esitysobjektien salaus lähetyksessä ja tallennuksessa
KR970064233A (ko) * 1996-02-15 1997-09-12 양승택 조건부 제한수신 서비스를 위한 메시지 처리 방법
JPH09233450A (ja) * 1996-02-27 1997-09-05 Canon Inc 課金装置、通信装置及び通信システム
DE69732062T2 (de) 1996-03-29 2005-06-02 Matsushita Electric Industrial Co., Ltd., Kadoma Rundfunkempfangsgerät für Fernsehsignale und Programmanzeigeverfahren
JP3925742B2 (ja) * 1996-06-24 2007-06-06 松下電器産業株式会社 情報提供システム
JP3894342B2 (ja) * 1996-09-18 2007-03-22 松下電器産業株式会社 有料情報提供システム
US7249344B1 (en) * 1996-10-31 2007-07-24 Citicorp Development Center, Inc. Delivery of financial services to remote devices
US7039805B1 (en) * 1998-05-20 2006-05-02 Messing John H Electronic signature method
JO2117B1 (en) * 1998-07-15 2000-05-21 كانال + تيكنولوجيز سوسيته انونيم A method and device for the secure communication of information between a group of audio-visual devices that operate with numbers
US7181014B1 (en) * 1999-09-10 2007-02-20 Cisco Technology, Inc. Processing method for key exchange among broadcast or multicast groups that provides a more efficient substitute for Diffie-Hellman key exchange

Also Published As

Publication number Publication date
EP1097589B1 (en) 2007-06-20
EP1097589A1 (en) 2001-05-09
WO2000004717A1 (en) 2000-01-27
KR100622964B1 (ko) 2006-09-12
WO2000004717A9 (en) 2000-07-27
US7492897B1 (en) 2009-02-17
CN1317202A (zh) 2001-10-10
KR20010053558A (ko) 2001-06-25
DE69936347T2 (de) 2008-02-28
AU5316799A (en) 2000-02-07
JP2002521878A (ja) 2002-07-16
JP4527284B2 (ja) 2010-08-18
DE69936347D1 (de) 2007-08-02

Similar Documents

Publication Publication Date Title
CN1146235C (zh) 广播数字电视的条件存取方法
CN1310497C (zh) 对不同的服务供应商和服务区域使用多个密钥广播dtv用的ca系统
US8098820B2 (en) Conditional access system for broadcast digital television
US20020146125A1 (en) CA system for broadcast DTV using multiple keys for different service providers and service areas
KR100426740B1 (ko) 방송 서비스를 위한 전체적인 조건부 액세스 관리 방법
CN1171454C (zh) 用于加密数据流传输的方法和装置
US8761393B2 (en) Method and apparatus for providing secure internet protocol media services
CN1276603C (zh) 广播和接收消息
CN1346570A (zh) 用于已加密的传输的方法与设备
EP1867158B1 (en) Tool pack structure and contents execution device
CN1317203A (zh) 多个数字音视频装置之间信息保密通信方法和装置
CN1643924A (zh) 智能卡适配协议
US8782417B2 (en) Method and processing unit for secure processing of access controlled audio/video data
US9277259B2 (en) Method and apparatus for providing secure internet protocol media services
US20060191015A1 (en) Copy-protecting applications in a digital broadcasting system
JP2007501461A (ja) デジタル放送システム用のコピープロテクトアプリケーション
EP2337347A1 (en) Method and processing unit for secure processing of access controlled audio/video data
MXPA01000606A (en) A conditional access system for broadcast digital television
WO2015200370A1 (en) Method and apparatus for providing secure internet protocol media services

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20040414

Termination date: 20160715

CF01 Termination of patent right due to non-payment of annual fee