CN1310515C - 一种用于控制在特定时间范围内访问加扰数据的方法 - Google Patents
一种用于控制在特定时间范围内访问加扰数据的方法 Download PDFInfo
- Publication number
- CN1310515C CN1310515C CNB038053381A CN03805338A CN1310515C CN 1310515 C CN1310515 C CN 1310515C CN B038053381 A CNB038053381 A CN B038053381A CN 03805338 A CN03805338 A CN 03805338A CN 1310515 C CN1310515 C CN 1310515C
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- 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.)
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- 230000003247 decreasing effect Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 23
- 238000013475 authorization Methods 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
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- 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
-
- 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
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
- H04H60/23—Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key distribution
-
- 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
- H04N21/4408—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 encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
-
- 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
- H04N21/45—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
- H04N7/167—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)
- Signal Processing (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Communication Control (AREA)
- Vehicle Body Suspensions (AREA)
- Mobile Radio Communication Systems (AREA)
- Storage Device Security (AREA)
- Traffic Control Systems (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0202857A FR2837055B1 (fr) | 2002-03-06 | 2002-03-06 | Protocole de controle d'acces, par plages de durees specifiques, a des informations embrouillees |
FR02/02857 | 2002-03-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1640128A CN1640128A (zh) | 2005-07-13 |
CN1310515C true CN1310515C (zh) | 2007-04-11 |
Family
ID=27763600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB038053381A Expired - Fee Related CN1310515C (zh) | 2002-03-06 | 2003-03-05 | 一种用于控制在特定时间范围内访问加扰数据的方法 |
Country Status (12)
Country | Link |
---|---|
US (1) | US20050125653A1 (zh) |
EP (1) | EP1488642B1 (zh) |
JP (1) | JP4225486B2 (zh) |
KR (1) | KR100813573B1 (zh) |
CN (1) | CN1310515C (zh) |
AT (1) | ATE394875T1 (zh) |
AU (1) | AU2003227815A1 (zh) |
DE (1) | DE60320772D1 (zh) |
DK (1) | DK1488642T3 (zh) |
ES (1) | ES2306868T3 (zh) |
FR (1) | FR2837055B1 (zh) |
WO (1) | WO2003075571A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2864391B1 (fr) * | 2003-12-19 | 2006-03-17 | Viaccess Sa | Procede de protection contre le detournement d'un multiplex et systeme de diffusion pour mettre en oeuvre ce procede |
JP2005198043A (ja) * | 2004-01-07 | 2005-07-21 | Nec Corp | コンテンツ配信システム、その方法、サーバ、ユーザ端末、暗号化装置、管理装置およびストリーミング装置 |
US7363365B2 (en) | 2004-07-13 | 2008-04-22 | Teneros Inc. | Autonomous service backup and migration |
US7363366B2 (en) | 2004-07-13 | 2008-04-22 | Teneros Inc. | Network traffic routing |
US9338405B2 (en) * | 2006-05-04 | 2016-05-10 | Cisco Technology, Inc. | Scrambled digital data item |
FR2910671B1 (fr) | 2006-12-21 | 2009-04-03 | Viaccess Sa | Procede de gestion du nombre de visualisations,processeur de securite et terminal pour ce procede |
CN102149015A (zh) * | 2011-04-02 | 2011-08-10 | 北京互信通科技有限公司 | 一种数字电视中加密频道的传输、播放方法及相应装置 |
CN107122678A (zh) * | 2017-04-28 | 2017-09-01 | 上海与德科技有限公司 | 保护产品参数的方法及装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001015448A1 (en) * | 1999-08-24 | 2001-03-01 | General Instrument Corporation | System and method for securing on-demand delivery of pre-encrypted content using ecm suppression |
US20010012366A1 (en) * | 1999-12-22 | 2001-08-09 | Van Rijnsoever Bartholomeus Johannes | Conditional access system for controlling the access to a data content |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2148197T3 (es) * | 1993-06-29 | 2000-10-16 | Cit Alcatel | Metodo de resecuenciacion y dispositivo de resecuenciacion que realiza tal metodo. |
US6005938A (en) * | 1996-12-16 | 1999-12-21 | Scientific-Atlanta, Inc. | Preventing replay attacks on digital information distributed by network service providers |
FR2750554B1 (fr) * | 1996-06-28 | 1998-08-14 | Thomson Multimedia Sa | Systeme a acces conditionnel et carte a puce permettant un tel acces |
FR2764454A1 (fr) * | 1997-06-10 | 1998-12-11 | Thomson Multimedia Sa | Systeme d'acces conditionnel a mode d'acces programmable |
KR100252972B1 (ko) * | 1997-12-31 | 2000-04-15 | 구자홍 | 한정수신 시스템 |
US6256393B1 (en) * | 1998-06-23 | 2001-07-03 | General Instrument Corporation | Authorization and access control of software object residing in set-top terminals |
US6363149B1 (en) * | 1999-10-01 | 2002-03-26 | Sony Corporation | Method and apparatus for accessing stored digital programs |
EP1067720A1 (en) * | 1999-07-05 | 2001-01-10 | CANAL+ Société Anonyme | Method and apparatus for transmitting and receiving messages, in particular in broadcast transmissions |
US6363480B1 (en) * | 1999-09-14 | 2002-03-26 | Sun Microsystems, Inc. | Ephemeral decryptability |
ES2315219T3 (es) * | 2000-04-07 | 2009-04-01 | Irdeto Access B.V. | Sistema de cifrado y descifrado de datos. |
US7257227B2 (en) * | 2000-10-26 | 2007-08-14 | General Instrument Corporation | System for denying access to content generated by a compromised off line encryption device and for conveying cryptographic keys from multiple conditional access systems |
US7080397B2 (en) * | 2000-10-26 | 2006-07-18 | General Instrument Corporation | Communication protocol for content on demand system with callback time |
US6978022B2 (en) * | 2000-10-26 | 2005-12-20 | General Instrument Corporation | System for securing encryption renewal system and for registration and remote activation of encryption device |
US7203317B2 (en) * | 2001-10-31 | 2007-04-10 | Hewlett-Packard Development Company, L.P. | System for enabling lazy-revocation through recursive key generation |
-
2002
- 2002-03-06 FR FR0202857A patent/FR2837055B1/fr not_active Expired - Lifetime
-
2003
- 2003-03-05 JP JP2003573873A patent/JP4225486B2/ja not_active Expired - Fee Related
- 2003-03-05 ES ES03725268T patent/ES2306868T3/es not_active Expired - Lifetime
- 2003-03-05 DK DK03725268T patent/DK1488642T3/da active
- 2003-03-05 AT AT03725268T patent/ATE394875T1/de not_active IP Right Cessation
- 2003-03-05 US US10/506,501 patent/US20050125653A1/en not_active Abandoned
- 2003-03-05 AU AU2003227815A patent/AU2003227815A1/en not_active Abandoned
- 2003-03-05 EP EP03725268A patent/EP1488642B1/fr not_active Expired - Lifetime
- 2003-03-05 WO PCT/FR2003/000710 patent/WO2003075571A1/fr active IP Right Grant
- 2003-03-05 DE DE60320772T patent/DE60320772D1/de not_active Expired - Fee Related
- 2003-03-05 CN CNB038053381A patent/CN1310515C/zh not_active Expired - Fee Related
- 2003-03-05 KR KR1020047013648A patent/KR100813573B1/ko not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001015448A1 (en) * | 1999-08-24 | 2001-03-01 | General Instrument Corporation | System and method for securing on-demand delivery of pre-encrypted content using ecm suppression |
US20010012366A1 (en) * | 1999-12-22 | 2001-08-09 | Van Rijnsoever Bartholomeus Johannes | Conditional access system for controlling the access to a data content |
Also Published As
Publication number | Publication date |
---|---|
FR2837055A1 (fr) | 2003-09-12 |
JP2005519539A (ja) | 2005-06-30 |
JP4225486B2 (ja) | 2009-02-18 |
EP1488642B1 (fr) | 2008-05-07 |
AU2003227815A1 (en) | 2003-09-16 |
DK1488642T3 (da) | 2008-06-23 |
KR100813573B1 (ko) | 2008-03-17 |
FR2837055B1 (fr) | 2004-06-11 |
EP1488642A1 (fr) | 2004-12-22 |
CN1640128A (zh) | 2005-07-13 |
KR20040093087A (ko) | 2004-11-04 |
ES2306868T3 (es) | 2008-11-16 |
DE60320772D1 (de) | 2008-06-19 |
ATE394875T1 (de) | 2008-05-15 |
WO2003075571A1 (fr) | 2003-09-12 |
US20050125653A1 (en) | 2005-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CI01 | Publication of corrected invention patent application |
Correction item: Patentee Correct: Viaccess False: Viaccess Number: 28 Page: 1 Volume: 21 |
|
CI02 | Correction of invention patent application |
Correction item: Patentee Correct: Viaccess False: Viaccess Number: 28 Page: The title page Volume: 21 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: VIACCESS TO: MORAVIA SIST CO.,LTD. |
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ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: VIACCESS TO: MORAVIA SIST CO.,LTD. |
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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: 20070411 Termination date: 20180305 |
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CF01 | Termination of patent right due to non-payment of annual fee |