RU2009135053A - Система условного доступа - Google Patents
Система условного доступа Download PDFInfo
- Publication number
- RU2009135053A RU2009135053A RU2009135053/09A RU2009135053A RU2009135053A RU 2009135053 A RU2009135053 A RU 2009135053A RU 2009135053/09 A RU2009135053/09 A RU 2009135053/09A RU 2009135053 A RU2009135053 A RU 2009135053A RU 2009135053 A RU2009135053 A RU 2009135053A
- Authority
- RU
- Russia
- Prior art keywords
- host
- conditional access
- output stream
- access module
- code
- Prior art date
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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0853—Network architectures or network communication protocols for network security for authentication of entities using an additional device, e.g. smartcard, SIM or a different communication terminal
-
- 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
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1408—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic by monitoring network traffic
- H04L63/1416—Event detection, e.g. attack signature detection
-
- 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
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- 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
- H04N21/2541—Rights Management
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4348—Demultiplexing of additional data and video streams
-
- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- 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
- H04N21/4627—Rights management associated to the content
-
- 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
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Storage Device Security (AREA)
- Communication Control (AREA)
- Computer And Data Communications (AREA)
- Television Systems (AREA)
Abstract
1. Система условного доступа, содержащая Хост, сконфигурированный для приема входящего потока данных и доставки этого входящего потока данных в модуль условного доступа, модуль условного доступа, сконфигурированный для обработки входящего потока данных и предоставления Хосту соответствующего выходного потока, отличающаяся тем, что Хост и модуль условного доступа сконфигурированы для контакта друг с другом в протоколе аутентификации при обнаружении кода, встроенного во входящий поток данных или в выходной поток. ! 2. Система по п.1, в которой модуль условного доступа сконфигурирован для встраивания кода в выходной поток перед предоставлением выходного потока Хосту, и Хост сконфигурирован для инициации протокола аутентификации с модулем условного доступа при обнаружении кода, встроенного в выходной поток. ! 3. Система по п.2, в которой Хост дополнительно сконфигурирован для прекращения приема выходного потока при обнаружении кода, встроенного в выходной поток. ! 4. Система по п.1, в которой модуль условного доступа сконфигурирован для инициации протокола аутентификации с Хостом при обнаружении кода, встроенного в выходной поток. ! 5. Система по п.4, в которой модуль условного доступа сконфигурирован, чтобы воздержаться от предоставления выходного потока Хосту, пока протокол аутентификации не завершен успешно. ! 6. Система по п.4, в которой модуль условного доступа сконфигурирован для отмены полномочий Хоста при сбое в успешной аутентификации Хоста. ! 7. Система по п.1, в которой модуль условного доступа сконфигурирован для скремблирования выходного потока с использованием ключа, согласованного в протоколе аут�
Claims (12)
1. Система условного доступа, содержащая Хост, сконфигурированный для приема входящего потока данных и доставки этого входящего потока данных в модуль условного доступа, модуль условного доступа, сконфигурированный для обработки входящего потока данных и предоставления Хосту соответствующего выходного потока, отличающаяся тем, что Хост и модуль условного доступа сконфигурированы для контакта друг с другом в протоколе аутентификации при обнаружении кода, встроенного во входящий поток данных или в выходной поток.
2. Система по п.1, в которой модуль условного доступа сконфигурирован для встраивания кода в выходной поток перед предоставлением выходного потока Хосту, и Хост сконфигурирован для инициации протокола аутентификации с модулем условного доступа при обнаружении кода, встроенного в выходной поток.
3. Система по п.2, в которой Хост дополнительно сконфигурирован для прекращения приема выходного потока при обнаружении кода, встроенного в выходной поток.
4. Система по п.1, в которой модуль условного доступа сконфигурирован для инициации протокола аутентификации с Хостом при обнаружении кода, встроенного в выходной поток.
5. Система по п.4, в которой модуль условного доступа сконфигурирован, чтобы воздержаться от предоставления выходного потока Хосту, пока протокол аутентификации не завершен успешно.
6. Система по п.4, в которой модуль условного доступа сконфигурирован для отмены полномочий Хоста при сбое в успешной аутентификации Хоста.
7. Система по п.1, в которой модуль условного доступа сконфигурирован для скремблирования выходного потока с использованием ключа, согласованного в протоколе аутентификации, и доставки скремблированного выходного потока Хосту.
8. Система по п.1, в которой Хост сконфигурирован для встраивания дополнительного кода, уникального для Хоста, в выходной поток, предоставленный модулем условного доступа.
9. Система по п.1, в которой код встроен в выходной поток посредством «водяного знака».
10. Система по п.1, в которой Хост сконфигурирован для обнаружения встроенного кода во входном потоке данных.
11. Система по п.1, в которой встроенный код указывает наличие по меньшей мере одного элемента информации во входящем потоке данных, и в которой Хост сконфигурирован для ограничения его взаимодействия с модулем условного доступа при обнаружении встроенного кода и сбое в извлечении по меньшей мере одного элемента информации из выходного потока, предоставленного Хосту модулем условного доступа.
12. Система по п.1, в которой элемент аутентификации для встроенного кода предоставляется вместе со встроенным кодом.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07102763 | 2007-02-21 | ||
EP07102763.5 | 2007-02-21 | ||
PCT/IB2008/050576 WO2008102295A1 (en) | 2007-02-21 | 2008-02-18 | A conditional access system |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2009135053A true RU2009135053A (ru) | 2011-03-27 |
RU2477572C2 RU2477572C2 (ru) | 2013-03-10 |
Family
ID=39591543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2009135053/07A RU2477572C2 (ru) | 2007-02-21 | 2008-02-18 | Система условного доступа |
Country Status (9)
Country | Link |
---|---|
US (1) | US20100070991A1 (ru) |
EP (1) | EP2113152B1 (ru) |
JP (1) | JP2010519827A (ru) |
KR (1) | KR20090111846A (ru) |
CN (1) | CN101617520B (ru) |
BR (1) | BRPI0807731A2 (ru) |
MX (1) | MX2009008876A (ru) |
RU (1) | RU2477572C2 (ru) |
WO (1) | WO2008102295A1 (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2575242C1 (ru) * | 2012-03-26 | 2016-02-20 | Сони Корпорейшн | Способ и устройство условного доступа для одновременной обработки нескольких телевизионных программ |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9043829B2 (en) * | 2009-10-07 | 2015-05-26 | At&T Intellectual Property I, Lp | Synchronization of user interactive events with on-screen events during playback of multimedia stream |
EP2362635B1 (en) * | 2010-02-25 | 2013-04-03 | Irdeto B.V. | Disabling a cleartext control word loading mechanism in a conditional access system |
US9088888B2 (en) * | 2010-12-10 | 2015-07-21 | Mitsubishi Electric Research Laboratories, Inc. | Secure wireless communication using rate-adaptive codes |
GB2489672A (en) * | 2011-03-28 | 2012-10-10 | Sony Corp | Authentication certificate distribution to set top boxes |
CN104205107B (zh) * | 2012-03-22 | 2018-04-27 | 索尼公司 | 接收装置、接收方法、解密处理装置、接收处理系统、信息处理装置、电视接收机和机顶盒 |
GB2500612A (en) * | 2012-03-26 | 2013-10-02 | Sony Corp | Receiving and Selectively Decoding Received Audio/Video Content According to a Security Indicator |
EP2797334A1 (en) | 2013-04-26 | 2014-10-29 | Nagravision S.A. | Method and device to embed watermark in uncompressed video data |
EP2797333A1 (en) * | 2013-04-26 | 2014-10-29 | Nagravision S.A. | Method for watermarking media content and system for implementing this method |
EP2797335A1 (en) | 2013-04-26 | 2014-10-29 | Nagravision S.A. | Method to watermark a compressed content encrypted by at least one content key |
US9736521B2 (en) * | 2013-12-23 | 2017-08-15 | Qualcomm Incorporated | Using timed transport stream for receiver-side inter-device communication |
CN109040853A (zh) * | 2018-09-04 | 2018-12-18 | 国微集团(深圳)有限公司 | 一种数字流媒体指纹水印保护方法及装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2180470C2 (ru) * | 1996-05-31 | 2002-03-10 | Томсон Консьюмер Электроникс, Инк. | Обработка цифровых данных и информации программных указателей |
US7039802B1 (en) * | 1997-06-06 | 2006-05-02 | Thomson Licensing | Conditional access system for set-top boxes |
DE69807221T2 (de) * | 1997-06-06 | 2003-03-27 | Thomson Multimedia Inc., Indianapolis | Bedingtes zugangssystem für set top boxen |
US6069647A (en) * | 1998-01-29 | 2000-05-30 | Intel Corporation | Conditional access and content security method |
JP2001297038A (ja) * | 2000-04-11 | 2001-10-26 | Toshiba Corp | データ記憶装置および記録媒体並びに記録媒体制御方法 |
US7023858B2 (en) * | 2000-04-14 | 2006-04-04 | Sony Corporation | Data delivery in set-top box |
US7228427B2 (en) * | 2000-06-16 | 2007-06-05 | Entriq Inc. | Method and system to securely distribute content via a network |
ATE267429T1 (de) * | 2000-12-22 | 2004-06-15 | Nagravision Sa | Übereinstimmungssteuerverfahren |
US20020157002A1 (en) * | 2001-04-18 | 2002-10-24 | Messerges Thomas S. | System and method for secure and convenient management of digital electronic content |
ATE486460T1 (de) * | 2001-09-10 | 2010-11-15 | Koninkl Philips Electronics Nv | Vorrichtung und verfahren zur bedingten zugriffserteilung |
DE10216384A1 (de) * | 2002-04-12 | 2003-10-30 | Scm Microsystems Gmbh | Zugangskontrollnetzwerk |
US7181010B2 (en) * | 2002-05-24 | 2007-02-20 | Scientific-Atlanta, Inc. | Apparatus for entitling remote client devices |
WO2004012416A2 (en) * | 2002-07-26 | 2004-02-05 | Green Border Technologies, Inc. | Transparent configuration authentication of networked devices |
US7200868B2 (en) * | 2002-09-12 | 2007-04-03 | Scientific-Atlanta, Inc. | Apparatus for encryption key management |
US7801820B2 (en) * | 2003-01-13 | 2010-09-21 | Sony Corporation | Real-time delivery of license for previously stored encrypted content |
JP2006074686A (ja) * | 2004-09-06 | 2006-03-16 | Toshiba Corp | チューナーモジュール、デジタル放送受信装置、およびデジタル放送番組コンテンツ保護方法 |
US7383438B2 (en) * | 2004-12-18 | 2008-06-03 | Comcast Cable Holdings, Llc | System and method for secure conditional access download and reconfiguration |
TWI281825B (en) * | 2005-10-18 | 2007-05-21 | Univ Nat Taiwan | Right management system and method for digital broadcasting |
-
2008
- 2008-02-18 JP JP2009550351A patent/JP2010519827A/ja active Pending
- 2008-02-18 BR BRPI0807731-2A patent/BRPI0807731A2/pt not_active IP Right Cessation
- 2008-02-18 US US12/527,462 patent/US20100070991A1/en not_active Abandoned
- 2008-02-18 WO PCT/IB2008/050576 patent/WO2008102295A1/en active Application Filing
- 2008-02-18 RU RU2009135053/07A patent/RU2477572C2/ru active
- 2008-02-18 EP EP08710072.3A patent/EP2113152B1/en not_active Not-in-force
- 2008-02-18 MX MX2009008876A patent/MX2009008876A/es not_active Application Discontinuation
- 2008-02-18 CN CN2008800057801A patent/CN101617520B/zh not_active Expired - Fee Related
- 2008-02-18 KR KR1020097017239A patent/KR20090111846A/ko not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2575242C1 (ru) * | 2012-03-26 | 2016-02-20 | Сони Корпорейшн | Способ и устройство условного доступа для одновременной обработки нескольких телевизионных программ |
Also Published As
Publication number | Publication date |
---|---|
KR20090111846A (ko) | 2009-10-27 |
BRPI0807731A2 (pt) | 2014-06-03 |
WO2008102295A1 (en) | 2008-08-28 |
RU2477572C2 (ru) | 2013-03-10 |
EP2113152A1 (en) | 2009-11-04 |
EP2113152B1 (en) | 2015-04-08 |
CN101617520B (zh) | 2013-05-08 |
CN101617520A (zh) | 2009-12-30 |
MX2009008876A (es) | 2009-08-28 |
US20100070991A1 (en) | 2010-03-18 |
JP2010519827A (ja) | 2010-06-03 |
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