KR101058002B1 - 도메인 관리 시스템하에서의 데이터 기록 및 재생 방법 - Google Patents
도메인 관리 시스템하에서의 데이터 기록 및 재생 방법 Download PDFInfo
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- KR101058002B1 KR101058002B1 KR1020040006593A KR20040006593A KR101058002B1 KR 101058002 B1 KR101058002 B1 KR 101058002B1 KR 1020040006593 A KR1020040006593 A KR 1020040006593A KR 20040006593 A KR20040006593 A KR 20040006593A KR 101058002 B1 KR101058002 B1 KR 101058002B1
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
- G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
- G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
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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
- 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
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
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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
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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
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- 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
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- 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
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- 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
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
Abstract
Description
Claims (20)
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- 소정의 도메인내에서만 콘텐츠를 재생 가능하게 하는 도메인 관리 시스템에 의해 저장 매체에 기록된 콘텐츠를 재생하는 방법에 있어서,상기 도메인 관리 시스템에 의한 재생 명령을 수신하는 단계;상기 저장 매체로부터, 상기 콘텐츠가 현재 상기 소정의 도메인내에서 재생되는지 여부를 검사하는 절차를 수행하게 하는 도메인 한정 플래그를 독출하는 단계;상기 도메인 한정 플래그가 상기 콘텐츠의 재생이 상기 소정의 도메인 내부로 한정됨을 나타내는 경우, 상기 도메인 관리 시스템으로부터 현재 도메인에 관한 정보를 나타내는 현재 도메인 관리 정보를 수신하고, 상기 저장 매체로부터 상기 콘텐츠 기록시 도메인에 관한 정보를 나타내는 기록 도메인 관리 정보를 추출하는 단계;상기 기록 도메인 관리 정보 및 상기 현재 도메인 관리 정보에 기초하여 상기 도메인 관리 시스템이 상기 소정의 도메인내에서 속하는지를 검사하는 단계; 및상기 기록 도메인 관리 정보 및 상기 콘텐츠를 상기 도메인 관리 시스템에 전송하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제 13 항에 있어서, 상기 도메인 한정 플래그가 상기 콘텐츠의 재생이 상기 소정의 도메인 내부로 한정되지 않음을 나타내는 경우, 상기 저장 매체로부터 상기 콘텐츠를 독출하여 상기 도메인 관리 시스템에 전송하는 것을 특징으로 하는 방법.
- 제 13 항에 있어서, 상기 현재 및 기록 도메인 관리 정보는, 상기 도메인을 식별하는 도메인 식별자를 포함하는 것을 특징으로 하는 방법.
- 제 15 항에 있어서, 상기 현재 및 기록 도메인 관리 정보는 상기 콘텐츠를 암호화하는데 사용된 콘텐츠 키 및 상기 도메인 관리 시스템을 식별하는 시스템 정보를 더 포함하는 것을 특징으로 하는 방법.
- 제 16 항에 있어서, 상기 콘텐츠 키는 상기 도메인내에서 정당한 권한을 가지는 기기만이 획득가능한 도메인 키로 암호화된 것을 특징으로 하는 방법.
- 제 16 항에 있어서, 상기 시스템 정보는 상기 도메인 관리 시스템을 식별하 는 시스템 식별자 및 상기 도메인 관리 시스템의 버전 정보 중 어느 하나 또는 이 들 모두를 포함하는 것을 특징으로 하는 방법.
- 제 18 항에 있어서, 상기 검사하는 단계는,상기 시스템 정보에 기초하여 현재 도메인 관리 시스템과 기록시 도메인 관리 시스템의 일치 여부를 검사하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제 18 항에 있어서, 상기 검사하는 단계는,상기 도메인 식별자에 기초하여 현재 도메인과 기록시 도메인의 일치 여부를 검사하는 단계를 포함하는 것을 특징으로 하는 방법.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040006593A KR101058002B1 (ko) | 2004-02-02 | 2004-02-02 | 도메인 관리 시스템하에서의 데이터 기록 및 재생 방법 |
| PCT/KR2005/000292 WO2005073871A1 (en) | 2004-02-02 | 2005-02-01 | Method of recording and/or reproducing data under control of domain management system |
| CNB2005800001978A CN100435135C (zh) | 2004-02-02 | 2005-02-01 | 在域管理系统的控制下记录和/或再现数据的方法 |
| EP05726306.3A EP1711903B1 (en) | 2004-02-02 | 2005-02-01 | Method of recording and/or reproducing data under control of domain management system |
| JP2006550956A JP5330648B2 (ja) | 2004-02-02 | 2005-02-01 | ドメイン管理システム下でのデータの記録及び再生方法 |
| US11/047,780 US7802312B2 (en) | 2004-02-02 | 2005-02-02 | Method of recording and/or reproducing data under control of domain management system |
| JP2010293046A JP5400025B2 (ja) | 2004-02-02 | 2010-12-28 | ドメイン管理システム下でのデータの記録及び再生方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040006593A KR101058002B1 (ko) | 2004-02-02 | 2004-02-02 | 도메인 관리 시스템하에서의 데이터 기록 및 재생 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20050078766A KR20050078766A (ko) | 2005-08-08 |
| KR101058002B1 true KR101058002B1 (ko) | 2011-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020040006593A Expired - Fee Related KR101058002B1 (ko) | 2004-02-02 | 2004-02-02 | 도메인 관리 시스템하에서의 데이터 기록 및 재생 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7802312B2 (ko) |
| EP (1) | EP1711903B1 (ko) |
| JP (2) | JP5330648B2 (ko) |
| KR (1) | KR101058002B1 (ko) |
| CN (1) | CN100435135C (ko) |
| WO (1) | WO2005073871A1 (ko) |
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| US20070089174A1 (en) * | 2005-10-14 | 2007-04-19 | David M. Bader | Content management system and method for DRM enforcement in a client-server system |
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| US20080313084A1 (en) * | 2007-06-18 | 2008-12-18 | Socolofsky David E | Digital Content Royalty Management System and Method |
-
2004
- 2004-02-02 KR KR1020040006593A patent/KR101058002B1/ko not_active Expired - Fee Related
-
2005
- 2005-02-01 JP JP2006550956A patent/JP5330648B2/ja not_active Expired - Fee Related
- 2005-02-01 WO PCT/KR2005/000292 patent/WO2005073871A1/en not_active Ceased
- 2005-02-01 CN CNB2005800001978A patent/CN100435135C/zh not_active Expired - Fee Related
- 2005-02-01 EP EP05726306.3A patent/EP1711903B1/en not_active Expired - Lifetime
- 2005-02-02 US US11/047,780 patent/US7802312B2/en active Active
-
2010
- 2010-12-28 JP JP2010293046A patent/JP5400025B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1771493A (zh) | 2006-05-10 |
| WO2005073871A1 (en) | 2005-08-11 |
| US20050169118A1 (en) | 2005-08-04 |
| JP2007520011A (ja) | 2007-07-19 |
| EP1711903B1 (en) | 2019-10-09 |
| EP1711903A1 (en) | 2006-10-18 |
| JP5400025B2 (ja) | 2014-01-29 |
| EP1711903A4 (en) | 2011-06-08 |
| JP2011118913A (ja) | 2011-06-16 |
| CN100435135C (zh) | 2008-11-19 |
| KR20050078766A (ko) | 2005-08-08 |
| US7802312B2 (en) | 2010-09-21 |
| JP5330648B2 (ja) | 2013-10-30 |
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