CN101945249A - 处理流中的可录制内容 - Google Patents
处理流中的可录制内容 Download PDFInfo
- Publication number
- CN101945249A CN101945249A CN2010102748023A CN201010274802A CN101945249A CN 101945249 A CN101945249 A CN 101945249A CN 2010102748023 A CN2010102748023 A CN 2010102748023A CN 201010274802 A CN201010274802 A CN 201010274802A CN 101945249 A CN101945249 A CN 101945249A
- Authority
- CN
- China
- Prior art keywords
- content
- key
- receiver
- drm
- information
- 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.)
- Granted
Links
- 238000013475 authorization Methods 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 description 17
- 230000006870 function Effects 0.000 description 9
- 230000002708 enhancing effect Effects 0.000 description 8
- 230000004044 response Effects 0.000 description 8
- 238000004590 computer program Methods 0.000 description 5
- 230000002146 bilateral effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- H04H60/17—Arrangements for conditional access to broadcast information or to broadcast-related services on recording information
-
- 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
- H04N21/21—Server components or server architectures
-
- 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
-
- 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]
- H04N21/20—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]
- H04N21/20—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]
- H04N21/26609—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] using retrofitting techniques, e.g. by re-encrypting the control words used for pre-encryption
-
- 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
- H04N21/43—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
- 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]
- H04N21/60—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
- 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
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)
- Television Signal Processing For Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09164808.9 | 2009-07-07 | ||
EP09164808A EP2280544A1 (en) | 2009-07-07 | 2009-07-07 | Secure transmition and recording of a content |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101945249A true CN101945249A (zh) | 2011-01-12 |
CN101945249B CN101945249B (zh) | 2016-03-16 |
Family
ID=41016900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010274802.3A Expired - Fee Related CN101945249B (zh) | 2009-07-07 | 2010-07-07 | 处理流中的可录制内容 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8401187B2 (zh) |
EP (1) | EP2280544A1 (zh) |
JP (1) | JP5710160B2 (zh) |
KR (1) | KR101705010B1 (zh) |
CN (1) | CN101945249B (zh) |
CA (1) | CA2708924C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104796261A (zh) * | 2015-04-16 | 2015-07-22 | 长安大学 | 一种网络终端节点的安全接入管控系统及方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010262002A (ja) * | 2009-04-30 | 2010-11-18 | Yamaha Corp | 音楽コンテンツデータ処理装置及びプログラム |
EP2273405A1 (en) * | 2009-07-07 | 2011-01-12 | Irdeto Access B.V. | Processing recordable content in a stream |
CN103355000B (zh) * | 2010-12-31 | 2017-03-01 | 阿卡麦科技公司 | 将数据保密性扩展到播放器应用中 |
DE102011102572A1 (de) * | 2011-05-26 | 2012-11-29 | Fujitsu Technology Solutions Intellectual Property Gmbh | Arbeitsverfahren für eine autarke Rechteverwaltungskomponente, autarkes Rechteverwaltungssystem und Gerät |
CN103024474B (zh) * | 2012-11-30 | 2018-05-04 | 北京视博数字电视科技有限公司 | 广播电视内容安全接收与分发的系统、方法及网关设备 |
GB201418815D0 (en) | 2014-10-22 | 2014-12-03 | Irdeto Bv | Providing access to content |
GB201505438D0 (en) | 2015-03-30 | 2015-05-13 | Irdeto Bv | Accessing content at a device |
EP3335493B1 (en) * | 2016-01-20 | 2024-03-06 | Nec Corporation | Methods and apparatuses for transmitting a reference signal |
US10375030B2 (en) | 2016-06-24 | 2019-08-06 | Combined Conditional Access Development & Support | Initialization encryption for streaming content |
US10939173B2 (en) * | 2018-07-19 | 2021-03-02 | Cox Communications, Inc. | Systems and methods for encrypting video |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2843257A1 (fr) * | 2002-08-02 | 2004-02-06 | Viaccess Sa | Procede et systeme d'acces conditionnel applique a la protection de contenu |
US20050063541A1 (en) * | 2002-11-05 | 2005-03-24 | Candelore Brant L. | Digital rights management of a digital device |
CN1873652A (zh) * | 2005-06-01 | 2006-12-06 | 富士施乐株式会社 | 保护数字内容的装置和方法,处理受保护的数字内容的装置和方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010089711A (ko) * | 1999-10-26 | 2001-10-08 | 모리시타 요이찌 | 저장형 방송 시스템, 송신 장치 및 수신 장치 |
US7039614B1 (en) * | 1999-11-09 | 2006-05-02 | Sony Corporation | Method for simulcrypting scrambled data to a plurality of conditional access devices |
EP1182874A1 (en) * | 2000-08-24 | 2002-02-27 | Canal+ Technologies Société Anonyme | Digital content protection system |
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 |
US7546641B2 (en) | 2004-02-13 | 2009-06-09 | Microsoft Corporation | Conditional access to digital rights management conversion |
JP2008512924A (ja) * | 2004-09-10 | 2008-04-24 | 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 | 限定受信を提供する方法 |
US7620185B2 (en) * | 2004-09-15 | 2009-11-17 | Nokia Corporation | Preview of payable broadcasts |
EP1662788A1 (fr) * | 2004-11-24 | 2006-05-31 | Nagravision SA | Unité de traitement de données audio/vidéo numériques et méthode de contrôle d'accès audites données |
US8291236B2 (en) * | 2004-12-07 | 2012-10-16 | Digital Keystone, Inc. | Methods and apparatuses for secondary conditional access server |
US9225698B2 (en) * | 2005-05-12 | 2015-12-29 | Nokia Technologies Oy | Fine grain rights management of streaming content |
EP1883239A1 (fr) * | 2006-07-24 | 2008-01-30 | Nagravision S.A. | Méthode de stockage et d'exploitation d'un évènement audio/video diffusé |
US8218559B2 (en) * | 2007-05-15 | 2012-07-10 | Nokia Corporation | Providing best effort services via a digital broadcast network using data encapsulation |
US8474054B2 (en) | 2007-06-26 | 2013-06-25 | Digital Keystone, Inc. | Systems and methods for conditional access and digital rights management |
EP2206338A4 (en) * | 2007-10-30 | 2012-02-08 | Lg Electronics Inc | METHOD AND SYSTEM FOR DOWNLOADING SOFTWARE |
EP2273405A1 (en) * | 2009-07-07 | 2011-01-12 | Irdeto Access B.V. | Processing recordable content in a stream |
-
2009
- 2009-07-07 EP EP09164808A patent/EP2280544A1/en not_active Ceased
-
2010
- 2010-07-06 JP JP2010153822A patent/JP5710160B2/ja not_active Expired - Fee Related
- 2010-07-06 CA CA2708924A patent/CA2708924C/en not_active Expired - Fee Related
- 2010-07-07 KR KR1020100065259A patent/KR101705010B1/ko active IP Right Grant
- 2010-07-07 CN CN201010274802.3A patent/CN101945249B/zh not_active Expired - Fee Related
- 2010-07-07 US US12/831,790 patent/US8401187B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2843257A1 (fr) * | 2002-08-02 | 2004-02-06 | Viaccess Sa | Procede et systeme d'acces conditionnel applique a la protection de contenu |
US20050063541A1 (en) * | 2002-11-05 | 2005-03-24 | Candelore Brant L. | Digital rights management of a digital device |
CN1873652A (zh) * | 2005-06-01 | 2006-12-06 | 富士施乐株式会社 | 保护数字内容的装置和方法,处理受保护的数字内容的装置和方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104796261A (zh) * | 2015-04-16 | 2015-07-22 | 长安大学 | 一种网络终端节点的安全接入管控系统及方法 |
Also Published As
Publication number | Publication date |
---|---|
JP5710160B2 (ja) | 2015-04-30 |
KR101705010B1 (ko) | 2017-02-09 |
US20110010562A1 (en) | 2011-01-13 |
CN101945249B (zh) | 2016-03-16 |
US8401187B2 (en) | 2013-03-19 |
JP2011030218A (ja) | 2011-02-10 |
CA2708924C (en) | 2017-10-10 |
CA2708924A1 (en) | 2011-01-07 |
EP2280544A1 (en) | 2011-02-02 |
KR20110004332A (ko) | 2011-01-13 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Holland Hoofddorp Applicant after: Irdeto B.V. Address before: Holland Hoofddorp Applicant before: Irdeto B. V. |
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COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: IRDETO B. V. TO: IRDETO B.V. |
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C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Holland Hoofddorp Applicant after: Ai Dide Technology Co., Ltd. Address before: Holland Hoofddorp Applicant before: Irdeto B.V. |
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COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: Free format text: CORRECT: APPLICANT; FROM: IRDETO B.V. TO: IRDETO B. V. |
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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: 20160316 Termination date: 20200707 |
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CF01 | Termination of patent right due to non-payment of annual fee |