JP5208903B2 - コンテンツ制御装置及びコンテンツ制御方法 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/12—Payment architectures specially adapted for electronic shopping systems
- G06Q20/123—Shopping for digital content
- G06Q20/1235—Shopping for digital content with control of digital rights management [DRM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/14—Payment architectures specially adapted for billing systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/14—Payment architectures specially adapted for billing systems
- G06Q20/145—Payments according to the detected use or quantity
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/16—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for devices exhibiting advertisements, announcements, pictures or the like
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
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- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
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- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2543—Billing, e.g. for subscription services
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- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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- 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
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
- H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
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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]
- H04N21/40—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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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- H—ELECTRICITY
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- 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
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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]
- H04N21/40—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]
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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]
- H04N21/40—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
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
-
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
- H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Accounting & Taxation (AREA)
- Databases & Information Systems (AREA)
- Finance (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- Development Economics (AREA)
- Economics (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Television Signal Processing For Recording (AREA)
- Storage Device Security (AREA)
Description
Claims (6)
- コンテンツを受信して再生する受信端末に接続され、有料コンテンツの再生制御及び保護を行うコンテンツ制御装置であって、
前記受信端末が受信した前記有料コンテンツを暗号化し、第1暗号化コンテンツとして記録する第1保護部と、
前記受信端末の前記有料コンテンツの受信及び前記第1保護部による暗号化が完了した後に、当該有料コンテンツを視聴するユーザの課金処理を実行する課金処理実行部と、
前記有料コンテンツに対する課金が完了したか否かを判定する課金完了判定部と、
前記課金完了判定部により前記有料コンテンツに対する課金が完了したと判定された場合には、前記第1暗号化コンテンツを復号化し、復号化により得られた前記有料コンテンツを前記第1保護部とは異なる方法で暗号化し第2暗号化コンテンツとして記録する第2保護部と、
を備え、
前記有料コンテンツの再生要求がされた場合には、前記第2暗号化コンテンツを復号化して前記受信端末に提供すること、を特徴とするコンテンツ制御装置。 - 前記第1保護部は、前記受信端末から取得した情報及び前記ユーザの固有情報を用いて暗号化し、
前記第2保護部は、前記受信端末から取得した情報及び前記ユーザの固有情報を用いて復号化するとともに、復号化により得られた前記有料コンテンツを、前記ユーザの固有情報を用いて暗号化する請求項1に記載のコンテンツ制御装置。 - 前記第1保護部は、ランダム値及び前記ユーザの固有情報を含む暗号鍵を用いて暗号化するとともに、前記ランダム値を前記受信端末の記憶部に記録し、
前記第2保護部は、前記記憶部を参照して前記ランダム値を取得し、取得された前記ランダム値及び前記ユーザの固有情報に基づいて復号鍵を生成して復号化すること、を特徴とする請求項1に記載のコンテンツ制御装置。 - 前記第1保護部は、前記受信端末の固有情報及び前記ユーザの固有情報を含む暗号鍵を用いて暗号化するとともに、
前記第2保護部は、前記受信端末の固有情報及び前記ユーザの固有情報に基づいて復号鍵を生成して復号化すること、を特徴とする請求項1に記載のコンテンツ制御装置。 - 前記第2保護部は、前記ユーザの固有情報を暗号鍵及び復号鍵として有料コンテンツを暗号化及び復号化することを特徴とする請求項1〜4の何れか一項に記載のコンテンツ制御装置。
- コンテンツを受信して再生する受信端末に接続され、有料コンテンツを視聴するユーザの課金処理を実行する課金処理実行部と、前記有料コンテンツに対する課金が完了したか否かを判定する課金完了判定部と、前記有料コンテンツを暗号化し第1暗号化コンテンツとして記録する第1保護部と、前記第1暗号化コンテンツを復号化し、復号化により得られた前記有料コンテンツを前記第1保護部とは異なる方法で暗号化し第2暗号化コンテンツとして記録する第2保護部とを備えるコンテンツ制御装置により実行されるコンテンツ制御方法であって、
前記受信端末が前記有料コンテンツを受信した場合には、前記第1保護部によって当該有料コンテンツを前記受信端末から取得して暗号化し、第1暗号化コンテンツとして記録する第1保護ステップと、
前記受信端末の前記有料コンテンツの受信及び前記第1保護部による暗号化が完了した後に、前記課金処理実行部によって当該有料コンテンツを視聴するユーザの課金処理を実行する課金処理実行ステップと、
前記課金完了判定部によって前記有料コンテンツに対する課金が完了したか否かを判定する課金完了判定ステップと、
前記課金完了判定ステップにより前記有料コンテンツに対する課金が完了したと判定された場合には、前記第2保護部により前記第1暗号化コンテンツを復号化し、復号化により得られた前記有料コンテンツを前記第1保護ステップとは異なる方法で暗号化し第2暗号化コンテンツとして記録する第2保護ステップと、
前記有料コンテンツの再生要求がされた場合には、前記第2暗号化コンテンツを復号化して前記受信端末に提供する再生ステップと、
を備えるコンテンツ制御方法。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009247864A JP5208903B2 (ja) | 2009-10-28 | 2009-10-28 | コンテンツ制御装置及びコンテンツ制御方法 |
BR112012010168A BR112012010168A2 (pt) | 2009-10-28 | 2010-09-01 | dispositivo de controle de conteúdo e método de controle de conteúdo |
CN201080048538XA CN102598693A (zh) | 2009-10-28 | 2010-09-01 | 内容控制装置以及内容控制方法 |
PCT/JP2010/064926 WO2011052293A1 (ja) | 2009-10-28 | 2010-09-01 | コンテンツ制御装置及びコンテンツ制御方法 |
KR1020127010687A KR101348329B1 (ko) | 2009-10-28 | 2010-09-01 | 콘텐츠 제어 장치 및 콘텐츠 제어 방법 |
PE2012000504A PE20130247A1 (es) | 2009-10-28 | 2010-09-01 | Dispositivo de control de contenido y metodo de control de contenido |
IN3158DEN2012 IN2012DN03158A (ja) | 2009-10-28 | 2010-09-01 | |
US13/504,751 US20120275767A1 (en) | 2009-10-28 | 2010-09-01 | Content control device and content control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009247864A JP5208903B2 (ja) | 2009-10-28 | 2009-10-28 | コンテンツ制御装置及びコンテンツ制御方法 |
Publications (2)
Publication Number | Publication Date |
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JP2011097261A JP2011097261A (ja) | 2011-05-12 |
JP5208903B2 true JP5208903B2 (ja) | 2013-06-12 |
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Application Number | Title | Priority Date | Filing Date |
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JP2009247864A Active JP5208903B2 (ja) | 2009-10-28 | 2009-10-28 | コンテンツ制御装置及びコンテンツ制御方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20120275767A1 (ja) |
JP (1) | JP5208903B2 (ja) |
KR (1) | KR101348329B1 (ja) |
CN (1) | CN102598693A (ja) |
BR (1) | BR112012010168A2 (ja) |
IN (1) | IN2012DN03158A (ja) |
PE (1) | PE20130247A1 (ja) |
WO (1) | WO2011052293A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US20180097622A1 (en) * | 2016-09-30 | 2018-04-05 | Semiconductor Energy Laboratory Co., Ltd. | Data transmission method and computer program |
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JP2003101942A (ja) * | 1994-07-08 | 2003-04-04 | Sony Corp | 再生制御方法 |
US5758257A (en) * | 1994-11-29 | 1998-05-26 | Herz; Frederick | System and method for scheduling broadcast of and access to video programs and other data using customer profiles |
US7226494B1 (en) * | 1997-04-23 | 2007-06-05 | Neopost Technologies | Secure postage payment system and method |
EP1363282B1 (en) * | 1998-07-22 | 2009-01-07 | Panasonic Corporation | Digital data recording apparatus and a method for protecting copyrights that facilitate reproduction of encrypted digital data recorded on recording media, and a computer-readable recording medium that records a program of the method |
JP4763866B2 (ja) * | 1998-10-15 | 2011-08-31 | インターシア ソフトウェア エルエルシー | 2重再暗号化によりデジタルデータを保護する方法及び装置 |
EP1265440A4 (en) * | 1999-12-24 | 2006-07-12 | Fujitsu Ltd | DEVICE FOR STORING AND PLAYING INFORMATION |
JP4736216B2 (ja) * | 2000-07-17 | 2011-07-27 | ソニー株式会社 | データ入出力装置及び方法 |
JP4269501B2 (ja) * | 2000-09-07 | 2009-05-27 | ソニー株式会社 | 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体 |
JP4287097B2 (ja) * | 2001-07-09 | 2009-07-01 | パナソニック株式会社 | デジタル著作物保護システム、記録再生装置、記録媒体装置及び機種変更装置 |
JP2003116114A (ja) * | 2001-10-09 | 2003-04-18 | Sony Corp | 蓄積型データ配信システム及び衛星放送用蓄積型データ配信システム、情報利用者装置及び情報利用方法 |
JP2003242714A (ja) * | 2001-10-24 | 2003-08-29 | Fuji Electric Co Ltd | 情報記録媒体、その媒体の製造方法、情報処理装置、並びに、著作権管理システム |
JP4164265B2 (ja) * | 2002-02-04 | 2008-10-15 | 富士電機デバイステクノロジー株式会社 | 著作権保護システム、デジタル情報処理装置および著作権保護方法 |
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 |
US8676711B2 (en) * | 2005-06-10 | 2014-03-18 | Aniruddha Gupte | Payment method and apparatus for use in digital distribution system |
JP2009058983A (ja) * | 2005-12-26 | 2009-03-19 | Univ Waseda | 著作権管理システム |
US20110041148A1 (en) * | 2009-08-13 | 2011-02-17 | At&T Intellectual Property I, L.P. | Blackouts of pay per view multimedia content |
-
2009
- 2009-10-28 JP JP2009247864A patent/JP5208903B2/ja active Active
-
2010
- 2010-09-01 KR KR1020127010687A patent/KR101348329B1/ko not_active IP Right Cessation
- 2010-09-01 CN CN201080048538XA patent/CN102598693A/zh active Pending
- 2010-09-01 IN IN3158DEN2012 patent/IN2012DN03158A/en unknown
- 2010-09-01 BR BR112012010168A patent/BR112012010168A2/pt not_active IP Right Cessation
- 2010-09-01 WO PCT/JP2010/064926 patent/WO2011052293A1/ja active Application Filing
- 2010-09-01 PE PE2012000504A patent/PE20130247A1/es not_active Application Discontinuation
- 2010-09-01 US US13/504,751 patent/US20120275767A1/en not_active Abandoned
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---|---|
PE20130247A1 (es) | 2013-03-16 |
IN2012DN03158A (ja) | 2015-09-18 |
BR112012010168A2 (pt) | 2016-04-12 |
WO2011052293A1 (ja) | 2011-05-05 |
KR101348329B1 (ko) | 2014-01-08 |
US20120275767A1 (en) | 2012-11-01 |
CN102598693A (zh) | 2012-07-18 |
KR20120060902A (ko) | 2012-06-12 |
JP2011097261A (ja) | 2011-05-12 |
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