RU2003130084A - Приемное устройство для защищенного сохранения единицы контента и устройство воспроизведения - Google Patents
Приемное устройство для защищенного сохранения единицы контента и устройство воспроизведения Download PDFInfo
- Publication number
- RU2003130084A RU2003130084A RU2003130084/09A RU2003130084A RU2003130084A RU 2003130084 A RU2003130084 A RU 2003130084A RU 2003130084/09 A RU2003130084/09 A RU 2003130084/09A RU 2003130084 A RU2003130084 A RU 2003130084A RU 2003130084 A RU2003130084 A RU 2003130084A
- Authority
- RU
- Russia
- Prior art keywords
- license
- encrypted
- stored
- file
- key
- Prior art date
Links
- 238000004590 computer program Methods 0.000 claims 5
Classifications
-
- 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
- H04L63/0442—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 wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
-
- 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]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/109—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by using specially-adapted hardware at the client
-
- 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
-
- 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
-
- 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
- G11B20/00768—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 wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
-
- 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
- G11B20/00855—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of exchanging information with a remote server
-
- 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
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
-
- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
-
- 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
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
-
- 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
- H04N21/632—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 using a connection between clients on a wide area network, e.g. setting up a peer-to-peer communication via Internet for retrieving video segments from the hard-disk of other client devices
-
- 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
-
- 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
- H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Software Systems (AREA)
- Databases & Information Systems (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Technology Law (AREA)
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Claims (12)
1. Приемное устройство (110) для защищенного сохранения единицы (102) контента, содержащее средство (201) загрузки для загрузки единицы (102) контента, средство (203) записи для записи загруженной единицы (102) контента на носитель (111) информации, и средство (204) лицензирования для получения файла (141) лицензии от сервера (140) лицензий, причем файл (141) лицензии содержит, по меньшей мере, разрешение на запись загруженной единицы (102) контента на носитель (111) информации, отличающийся тем, что содержит средство (205) фиксации лицензии для шифрования файла (141) лицензии с ключом шифрования, ассоциированным с группой (G1, G2, G3) устройств воспроизведения, и для передачи зашифрованного файла (141) лицензии средству (203) записи для записи зашифрованного файла (141) лицензии на носитель (111) информации.
2. Приемное устройство по п.1, в котором средство (205) фиксации лицензии выполнено с возможностью шифрования файла (141) лицензии с Ключом Шифрования Фиксатора Лицензии (КШФЛ), шифрования КШФЛ с ключом шифрования, ассоциированным с группой (G1, G2, G3) устройств воспроизведения, и предоставления, дополнительно, зашифрованного КШФЛ средству (203) записи для записи зашифрованного КШФЛ на носитель (111) информации.
3. Приемное устройство (110) по п.1, в котором ключ шифрования является открытым ключом из пары открытый/секретный ключ.
4. Приемное устройство (110) по п.1, в котором единица (102) контента содержит, по меньшей мере, либо видео данные, либо аудио данные.
5. Приемное устройство (110) по п.1, в котором средство (205) фиксации лицензии дополнительно выполнено с возможностью приема результата выбора идентификатора группы (G1, G2, G3) и получения от сервера (130) ключей ключа шифрования, ассоциированного с результатом выбора.
6. Устройство (121) воспроизведения для воспроизведения единицы (102) контента, сохраненной на носителе (111) информации, содержащее средство (305) воспроизведения для воспроизведения единицы (102) контента в соответствии с разрешением в файле (141) лицензии для единицы (102) контента, сохраненной на носителе (111) информации, отличающееся тем, что файл (141) лицензии сохранен на носителе (111) информации в зашифрованном виде, и устройство (121) воспроизведения дополнительно содержит средство (309) защищенного хранения для хранения одного или более ключей дешифрования, каждый ключ дешифрования ассоциирован с соответствующей группой (G1, G2, G3) устройств воспроизведения, средство (302) декодирования для проверки, подходит ли сохраненный ключ дешифрования для дешифрования зашифрованного файла (141) лицензии, и, если да, дешифрования файла (141) лицензии, используя сохраненный ключ дешифрования, и предоставления дешифрованного файла (141) лицензии средству (305) воспроизведения.
7. Устройство (121) воспроизведения по п.6, в котором файл (141) лицензии хранится зашифрованным с Ключом Шифрования Фиксатора Лицензии (КШФЛ), указанный КШФЛ сохраняется на носителе (111) информации, зашифрованный с ключом шифрования КШФЛ, причем один или более ключей дешифрования являются ключами дешифрования КШФЛ, и средство (302) декодирования выполнено с возможностью проверки, подходит ли сохраненный ключ дешифрования КШФЛ для дешифрования зашифрованного КШФЛ, и, если так, получает КШФЛ из зашифрованного КШФЛ, используя сохраненный ключ дешифрования КШФЛ, и дешифрует файл (141) лицензии, используя КШФЛ.
8. Устройство (121) воспроизведения по п.6, в котором единица (102) контента содержит, по меньшей мере, либо видео данные, либо аудио данные.
9. Устройство (121) воспроизведения по п.6, в котором сохраненный ключ дешифрования является секретным ключом пары открытый/секретный ключ.
10. Устройство (121) воспроизведения по п.6, дополнительно содержащее средство (306) регистрации для регистрации открытого ключа пары открытый/секретный ключ, связанный с устройством (121) воспроизведения в Системе Управления Распределением Контента (СУРК) (310), причем секретный ключ пары открытый/секретный ключ сохранен в средстве (309) защищенного хранения, и для приема ключа дешифрования, ассоциированного с группой (G1, G2, G3) устройств воспроизведения, зашифрованного с указанным открытым ключом, дешифрования указанного зашифрованного ключа дешифрования, и сохранения указанного ключа дешифрования в устройстве (309) защищенного хранения.
11. Компьютерный программный продукт (200), позволяющий программируемому устройству при выполнении указанного компьютерного программного продукта функционировать как приемное устройство (110), содержащий средство (201) загрузки для загрузки единицы (102) контента, средство записи (203) для записи загруженной единицы (102) контента на носитель (111) информации, и средство (204) лицензирования для получения файла (141) лицензии от сервера (140) лицензий, файл (141) лицензии содержит, по меньшей мере, разрешение на запись загруженной единицы (102) контента на носитель (111) информации, отличающийся тем, что содержит средство (205) фиксации лицензии для шифрования файла (141) лицензии с ключом шифрования, ассоциированным с группой (G1, G2, G3) устройств воспроизведения, и для предоставления зашифрованного файла (141) лицензии средству (203) записи для записи зашифрованного файла (141) лицензии на носитель (111) информации.
12. Компьютерный программный продукт (300), позволяющий программируемому устройству при выполнении указанного компьютерного программного продукта функционировать как приемное устройство (121), содержащий средство (305) воспроизведения для воспроизведения единицы (102) контента в соответствии с разрешением в файле (141) лицензии для единицы (102) контента, сохраненного на носителе (111) информации, отличающийся тем, что файл (141) лицензии сохранен на носителе (111) информации в зашифрованном виде, и тем, что компьютерный программный продукт дополнительно содержит средство (302) декодирования для проверки, подходит ли сохраненный ключ дешифрования для дешифрования зашифрованного файла (141) лицензии, и, если так, дешифрования файла (141) лицензии, используя сохраненный ключ дешифрования, и предоставления дешифрованного файла (141) лицензии средству (305) воспроизведения.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01200898 | 2001-03-12 | ||
EP01200898.3 | 2001-03-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2003130084A true RU2003130084A (ru) | 2005-04-10 |
RU2290767C2 RU2290767C2 (ru) | 2006-12-27 |
Family
ID=8179990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2003130084/09A RU2290767C2 (ru) | 2001-03-12 | 2002-01-28 | Приемное устройство для защищенного сохранения единицы контента и устройство воспроизведения |
Country Status (11)
Country | Link |
---|---|
US (1) | US7124304B2 (ru) |
EP (1) | EP1370921A2 (ru) |
JP (1) | JP4294322B2 (ru) |
KR (1) | KR100932944B1 (ru) |
CN (1) | CN100458640C (ru) |
AU (1) | AU2002225292A1 (ru) |
BR (2) | BR0204473A (ru) |
MX (1) | MXPA02011091A (ru) |
PL (1) | PL373366A1 (ru) |
RU (1) | RU2290767C2 (ru) |
WO (1) | WO2002073378A2 (ru) |
Families Citing this family (105)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020157002A1 (en) * | 2001-04-18 | 2002-10-24 | Messerges Thomas S. | System and method for secure and convenient management of digital electronic content |
US7231450B1 (en) * | 2002-04-24 | 2007-06-12 | At&T Corporation | Method for providing reliable soft goods license authorization |
US7548984B2 (en) * | 2002-05-27 | 2009-06-16 | Panasonic Corporation | Stream distribution system, stream server device, cache server device, stream record/playback device, related methods and computer programs |
US7367059B2 (en) * | 2002-05-30 | 2008-04-29 | Nokia Corporation | Secure content activation during manufacture of mobile communication devices |
US7281273B2 (en) * | 2002-06-28 | 2007-10-09 | Microsoft Corporation | Protecting content on medium from unfettered distribution |
WO2004006559A2 (en) * | 2002-07-09 | 2004-01-15 | Kaleidescape, Inc. | Secure presentation of encrypted digital content |
US7885896B2 (en) | 2002-07-09 | 2011-02-08 | Avaya Inc. | Method for authorizing a substitute software license server |
US7111171B2 (en) | 2002-07-09 | 2006-09-19 | Kaleidescope, Inc. | Parallel distribution and fingerprinting of digital content |
US8041642B2 (en) | 2002-07-10 | 2011-10-18 | Avaya Inc. | Predictive software license balancing |
US7698225B2 (en) | 2002-08-30 | 2010-04-13 | Avaya Inc. | License modes in call processing |
US7966520B2 (en) | 2002-08-30 | 2011-06-21 | Avaya Inc. | Software licensing for spare processors |
US7681245B2 (en) | 2002-08-30 | 2010-03-16 | Avaya Inc. | Remote feature activator feature extraction |
US7707116B2 (en) | 2002-08-30 | 2010-04-27 | Avaya Inc. | Flexible license file feature controls |
US7020287B2 (en) * | 2002-09-30 | 2006-03-28 | Sony Corporation | Method and system for key insertion for stored encrypted content |
US8230084B2 (en) * | 2002-12-17 | 2012-07-24 | Sony Corporation | Network management in a media network environment |
KR101014912B1 (ko) * | 2002-12-17 | 2011-02-15 | 소니 픽쳐스 엔터테인먼트, 인크. | 중첩 멀티서버 네트워크 환경에서 액세스 제어 방법 및 장치 |
US7890997B2 (en) | 2002-12-26 | 2011-02-15 | Avaya Inc. | Remote feature activation authentication file system |
US8225194B2 (en) | 2003-01-09 | 2012-07-17 | Kaleidescape, Inc. | Bookmarks and watchpoints for selection and presentation of media streams |
JP4175118B2 (ja) * | 2003-01-14 | 2008-11-05 | ヤマハ株式会社 | コンテンツ処理装置及びプログラム |
US7779482B1 (en) | 2003-02-07 | 2010-08-17 | iGware Inc | Delivery of license information using a short messaging system protocol in a closed content distribution system |
US20100017627A1 (en) | 2003-02-07 | 2010-01-21 | Broadon Communications Corp. | Ensuring authenticity in a closed content distribution system |
US8131649B2 (en) | 2003-02-07 | 2012-03-06 | Igware, Inc. | Static-or-dynamic and limited-or-unlimited content rights |
US7577999B2 (en) * | 2003-02-11 | 2009-08-18 | Microsoft Corporation | Publishing digital content within a defined universe such as an organization in accordance with a digital rights management (DRM) system |
US7370212B2 (en) | 2003-02-25 | 2008-05-06 | Microsoft Corporation | Issuing a publisher use license off-line in a digital rights management (DRM) system |
JP4691618B2 (ja) * | 2003-03-05 | 2011-06-01 | ディジマーク コーポレイション | コンテンツ識別、個人ドメイン、著作権告知、メタデータ、および電子商取引 |
JP4021791B2 (ja) * | 2003-03-31 | 2007-12-12 | 富士通株式会社 | ファイルのセキュリティ管理プログラム |
US8572104B2 (en) | 2003-04-18 | 2013-10-29 | Kaleidescape, Inc. | Sales of collections excluding those already purchased |
EP1478120A1 (de) * | 2003-05-16 | 2004-11-17 | Siemens Aktiengesellschaft | Vorrichtung und Verfahren zur Kommunikation mit Hilfe einer kryptographisch verschlüsselten Kodetabelle |
KR20040104778A (ko) * | 2003-06-04 | 2004-12-13 | 삼성전자주식회사 | 스마트카드를 이용한 장치 인증을 통해 홈 도메인을구성하는 방법, 및 홈 도메인 구성을 위한 스마트카드 |
JP4424465B2 (ja) | 2003-06-09 | 2010-03-03 | ソニー株式会社 | 情報機器、情報サーバおよび情報処理プログラム |
US20050010531A1 (en) * | 2003-07-09 | 2005-01-13 | Kushalnagar Nandakishore R. | System and method for distributing digital rights management digital content in a controlled network ensuring digital rights |
GB2404486A (en) * | 2003-07-31 | 2005-02-02 | Sony Uk Ltd | Access control for digital storage medium content |
JP2005094096A (ja) * | 2003-09-12 | 2005-04-07 | Toshiba Corp | 受信装置、伝送システム及び伝送方法 |
KR100567822B1 (ko) * | 2003-10-01 | 2006-04-05 | 삼성전자주식회사 | 공개 키 기반 구조를 이용한 도메인 형성 방법 |
US7523096B2 (en) | 2003-12-03 | 2009-04-21 | Google Inc. | Methods and systems for personalized network searching |
JP4631291B2 (ja) * | 2004-02-25 | 2011-02-16 | ソニー株式会社 | 情報処理装置および方法、記録媒体、並びにプログラム |
KR20050096040A (ko) * | 2004-03-29 | 2005-10-05 | 삼성전자주식회사 | 휴대형 저장장치와 디바이스간에 디지털 저작권 관리를이용한 콘텐츠 재생방법 및 장치와, 이를 위한 휴대형저장장치 |
EP1736888A1 (en) * | 2004-03-31 | 2006-12-27 | Matsushita Electric Industrial Co., Ltd. | Secure system, secure device, terminal device, method, and program |
JP4442294B2 (ja) * | 2004-04-09 | 2010-03-31 | ソニー株式会社 | コンテンツ再生装置,プログラム,コンテンツ再生制御方法 |
JPWO2005106681A1 (ja) * | 2004-04-30 | 2008-03-21 | 松下電器産業株式会社 | セキュアデバイスを利用したデジタル著作権管理 |
KR100636150B1 (ko) * | 2004-07-01 | 2006-10-19 | 삼성전자주식회사 | 암호화 모듈을 포함하는 멀티미디어 장치 |
EP1783655A4 (en) * | 2004-07-21 | 2009-11-11 | Sony Corp | COMMUNICATION SYSTEM, COMMUNICATION METHOD, CONTENT PROCESSING DEVICE AND COMPUTER PROGRAM |
JP2006085481A (ja) * | 2004-09-16 | 2006-03-30 | Sony Corp | ライセンス処理装置,プログラムおよびライセンス移動方法 |
US7707405B1 (en) | 2004-09-21 | 2010-04-27 | Avaya Inc. | Secure installation activation |
US7747851B1 (en) * | 2004-09-30 | 2010-06-29 | Avaya Inc. | Certificate distribution via license files |
US8229858B1 (en) | 2004-09-30 | 2012-07-24 | Avaya Inc. | Generation of enterprise-wide licenses in a customer environment |
KR100677152B1 (ko) | 2004-11-17 | 2007-02-02 | 삼성전자주식회사 | 사용자 바인딩을 이용한 홈 네트워크에서의 콘텐츠 전송방법 |
EP1813053B1 (en) * | 2004-11-18 | 2014-10-01 | Samsung Electronics Co., Ltd. | Method of receiving session key in home network and method of reproducing content using the same |
JP4664058B2 (ja) * | 2004-12-15 | 2011-04-06 | 富士通株式会社 | コンテンツ配信システム及び方法 |
FR2881596A1 (fr) * | 2005-01-28 | 2006-08-04 | Thomson Licensing Sa | Procede de protection de contenus numeriques audio et/ou video et dispositifs electroniques mettant en oeuvre ce procede |
JP4802187B2 (ja) * | 2005-03-14 | 2011-10-26 | パナソニック株式会社 | 情報記録再生装置 |
JP4760101B2 (ja) * | 2005-04-07 | 2011-08-31 | ソニー株式会社 | コンテンツ提供システム,コンテンツ再生装置,プログラム,およびコンテンツ再生方法 |
US20060265758A1 (en) | 2005-05-20 | 2006-11-23 | Microsoft Corporation | Extensible media rights |
JP5101502B2 (ja) | 2005-07-25 | 2012-12-19 | 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 | コンテンツへのアクセス制御方法 |
KR20080038175A (ko) * | 2005-08-31 | 2008-05-02 | 소니 가부시끼 가이샤 | 그룹 등록 장치, 그룹 등록 해제 장치, 그룹 등록 방법,라이선스 취득 장치 및 라이선스 취득 방법, 및, 시각 설정장치 및 시각 설정 방법 |
US7814023B1 (en) | 2005-09-08 | 2010-10-12 | Avaya Inc. | Secure download manager |
US8893302B2 (en) * | 2005-11-09 | 2014-11-18 | Motorola Mobility Llc | Method for managing security keys utilized by media devices in a local area network |
US9020855B2 (en) * | 2005-11-18 | 2015-04-28 | Panasonic Intellectual Property Management Co., Ltd. | Recording/reproducing device, communication device, program, system LSI |
DE102005062042A1 (de) * | 2005-12-22 | 2007-06-28 | Applied Security Gmbh | Datenobjektverarbeitungssystem und Verfahren zur Bearbeitung von elektronischen Datenobjekten |
JP2009535735A (ja) | 2006-05-02 | 2009-10-01 | ブロードオン コミュニケーションズ コーポレーション | コンテンツ・マネージメント・システムおよび方法 |
JP2007304849A (ja) * | 2006-05-11 | 2007-11-22 | Sony Corp | 管理装置、情報処理装置、管理方法および情報処理方法 |
KR100941535B1 (ko) * | 2006-06-09 | 2010-02-10 | 엘지전자 주식회사 | 디지털 저작권 관리에서 장치의 도메인 탈퇴 방법, 그 장치및 그 시스템 |
US20070299920A1 (en) * | 2006-06-27 | 2007-12-27 | Crespo Arturo E | Anonymous Email Address Management |
US7853800B2 (en) * | 2006-06-30 | 2010-12-14 | Verint Americas Inc. | Systems and methods for a secure recording environment |
US7769176B2 (en) | 2006-06-30 | 2010-08-03 | Verint Americas Inc. | Systems and methods for a secure recording environment |
US7848524B2 (en) * | 2006-06-30 | 2010-12-07 | Verint Americas Inc. | Systems and methods for a secure recording environment |
US7953750B1 (en) | 2006-09-28 | 2011-05-31 | Verint Americas, Inc. | Systems and methods for storing and searching data in a customer center environment |
US7624276B2 (en) | 2006-10-16 | 2009-11-24 | Broadon Communications Corp. | Secure device authentication system and method |
JP2008103844A (ja) * | 2006-10-17 | 2008-05-01 | Toshiba Corp | 再生装置および鍵管理方法 |
US7613915B2 (en) | 2006-11-09 | 2009-11-03 | BroadOn Communications Corp | Method for programming on-chip non-volatile memory in a secure processor, and a device so programmed |
WO2008059559A1 (fr) * | 2006-11-13 | 2008-05-22 | Pioneer Corporation | Appareil de distribution de contenu, appareil de reproduction de contenu, procédé de distribution de contenu, procédé de reproduction de contenu, programme de distribution de contenu, programme de reproduction de contenu et support d'enregistrement lisible par ordinateur |
KR101389928B1 (ko) * | 2007-01-30 | 2014-04-30 | 삼성전자주식회사 | 상호 배제 기능을 수행하기 위한 방법 및 이를 이용한drm 디바이스 |
TWI394459B (zh) * | 2007-05-16 | 2013-04-21 | Sony Corp | Content download system and content download method, content provision device, and content supply method and content supply program, content receiving apparatus, and content receiving method and content receiving program |
KR101200572B1 (ko) * | 2007-07-09 | 2012-11-13 | 삼성전자주식회사 | 공개 브로드캐스트 암호화를 이용한 인증 방법 및 컨텐츠재생 방법과 그 장치 |
EP2203911A4 (en) | 2007-10-25 | 2011-12-28 | Trilliant Networks Inc | GAS METER HAVING ULTRA-SENSITIVE MAGNETIC MATERIAL RECONFIGURED ON COUNTER DIAL AND METHOD OF USING COUNTER RECONFIGURATION |
EP2215554A4 (en) * | 2007-11-25 | 2011-04-27 | Trilliant Networks Inc | USING A PROXY SERVER IN A MESH NETWORK |
WO2009067256A2 (en) | 2007-11-25 | 2009-05-28 | Trilliant Networks, Inc. | System and method for power outage and restoration notification in an advanced metering infrastructure network |
EP2215550A1 (en) | 2007-11-25 | 2010-08-11 | Trilliant Networks, Inc. | Energy use control system and method |
WO2009067259A1 (en) | 2007-11-25 | 2009-05-28 | Trilliant Networks, Inc. | Transport layer and model for an advanced metering infrastructure (ami) network |
US8401155B1 (en) * | 2008-05-23 | 2013-03-19 | Verint Americas, Inc. | Systems and methods for secure recording in a customer center environment |
JP2009296554A (ja) * | 2008-06-09 | 2009-12-17 | Sony Corp | サーバ装置、ライセンス配布方法、およびコンテンツ受信装置 |
US8150804B2 (en) * | 2008-07-18 | 2012-04-03 | Yang Pan | Hierarchical categorization of media assets and user interface for media player |
US8229796B2 (en) | 2008-08-28 | 2012-07-24 | Microsoft Corporation | Automated direct bids to purchase entertainment content upon a predetermined event |
EP2321983B1 (en) | 2008-09-04 | 2018-05-09 | Trilliant Networks, Inc. | Method for implementing mesh network communications using a mesh network protocol |
US8289182B2 (en) | 2008-11-21 | 2012-10-16 | Trilliant Networks, Inc. | Methods and systems for virtual energy management display |
WO2010105038A1 (en) | 2009-03-11 | 2010-09-16 | Trilliant Networks, Inc. | Process, device and system for mapping transformers to meters and locating non-technical line losses |
US20110004505A1 (en) * | 2009-07-01 | 2011-01-06 | Yang Pan | Methods of media asset distribution by employing electronic apparatus |
US20110022519A1 (en) * | 2009-07-21 | 2011-01-27 | Yang Pan | System and method of advertising message distribution by employing portable media player |
US8761392B2 (en) * | 2009-09-29 | 2014-06-24 | Motorola Mobility Llc | Digital rights management protection for content identified using a social TV service |
WO2011132245A1 (ja) * | 2010-04-19 | 2011-10-27 | パナソニック株式会社 | コンテンツ受信端末、エキスポート再生方法、および記録媒体 |
DE102010035098A1 (de) * | 2010-08-23 | 2012-02-23 | Giesecke & Devrient Gmbh | Verfahren zum Authentisieren eines portablen Datenträgers |
CA2809034A1 (en) | 2010-08-27 | 2012-03-01 | Randy Frei | System and method for interference free operation of co-located tranceivers |
CA2813534A1 (en) | 2010-09-13 | 2012-03-22 | Trilliant Networks, Inc. | Process for detecting energy theft |
US8832428B2 (en) | 2010-11-15 | 2014-09-09 | Trilliant Holdings Inc. | System and method for securely communicating across multiple networks using a single radio |
US9282383B2 (en) | 2011-01-14 | 2016-03-08 | Trilliant Incorporated | Process, device and system for volt/VAR optimization |
WO2012103072A2 (en) | 2011-01-25 | 2012-08-02 | Trilliant Holdings, Inc. | Aggregated real-time power outages/restoration reporting (rtpor) in a secure mesh network |
EP3285459B1 (en) | 2011-02-10 | 2022-10-26 | Trilliant Holdings, Inc. | Device and method for coordinating firmware updates |
US9041349B2 (en) | 2011-03-08 | 2015-05-26 | Trilliant Networks, Inc. | System and method for managing load distribution across a power grid |
US9001787B1 (en) | 2011-09-20 | 2015-04-07 | Trilliant Networks Inc. | System and method for implementing handover of a hybrid communications module |
CN103186720B (zh) * | 2011-12-28 | 2016-03-09 | 北大方正集团有限公司 | 一种数字版权管理方法、设备及系统 |
US8627097B2 (en) | 2012-03-27 | 2014-01-07 | Igt | System and method enabling parallel processing of hash functions using authentication checkpoint hashes |
JP6011500B2 (ja) * | 2013-09-13 | 2016-10-19 | 株式会社安川電機 | 制御装置、セキュリティー管理システム及びセキュリティー管理方法 |
US9514287B2 (en) * | 2014-06-26 | 2016-12-06 | Disney Enterprises, Inc. | Automated device authorizaton and deauthorization |
US9449187B2 (en) * | 2014-08-11 | 2016-09-20 | Document Dynamics, Llc | Environment-aware security tokens |
RU2657168C2 (ru) * | 2016-04-29 | 2018-06-08 | Общество с ограниченной ответственностью "Общество Сферического Кино" | Программно-аппаратный комплекс для автоматической калибровки многопроекторных систем с возможностью воспроизводить контент в высоком разрешении с использованием средств шифрования и цифровой дистрибьюции, способ шифрования контента для использования в способе воспроизведения контента |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4577135A (en) * | 1982-02-22 | 1986-03-18 | United Kingdom Atomic Energy Authority | Liquid metal ion sources |
US5787175A (en) | 1995-10-23 | 1998-07-28 | Novell, Inc. | Method and apparatus for collaborative document control |
US5805699A (en) * | 1996-05-20 | 1998-09-08 | Fujitsu Limited | Software copying system |
US5748736A (en) * | 1996-06-14 | 1998-05-05 | Mittra; Suvo | System and method for secure group communications via multicast or broadcast |
EP0878796B1 (en) * | 1997-05-13 | 2006-04-19 | Kabushiki Kaisha Toshiba | Information recording apparatus, information reproducing apparatus, and information distribution system |
US6385596B1 (en) * | 1998-02-06 | 2002-05-07 | Liquid Audio, Inc. | Secure online music distribution system |
US6438235B2 (en) * | 1998-08-05 | 2002-08-20 | Hewlett-Packard Company | Media content protection utilizing public key cryptography |
US6226618B1 (en) * | 1998-08-13 | 2001-05-01 | International Business Machines Corporation | Electronic content delivery system |
US6343280B2 (en) * | 1998-12-15 | 2002-01-29 | Jonathan Clark | Distributed execution software license server |
US6957330B1 (en) * | 1999-03-01 | 2005-10-18 | Storage Technology Corporation | Method and system for secure information handling |
-
2002
- 2002-01-28 AU AU2002225292A patent/AU2002225292A1/en not_active Abandoned
- 2002-01-28 BR BR0204473-0A patent/BR0204473A/pt active IP Right Grant
- 2002-01-28 BR BRPI0204473-0A patent/BRPI0204473B1/pt unknown
- 2002-01-28 CN CNB028016211A patent/CN100458640C/zh not_active Expired - Lifetime
- 2002-01-28 RU RU2003130084/09A patent/RU2290767C2/ru active IP Right Revival
- 2002-01-28 WO PCT/IB2002/000245 patent/WO2002073378A2/en active Application Filing
- 2002-01-28 JP JP2002571970A patent/JP4294322B2/ja not_active Expired - Lifetime
- 2002-01-28 EP EP02715645A patent/EP1370921A2/en not_active Ceased
- 2002-01-28 PL PL02373366A patent/PL373366A1/xx not_active Application Discontinuation
- 2002-01-28 KR KR1020027015176A patent/KR100932944B1/ko active IP Right Grant
- 2002-01-28 MX MXPA02011091A patent/MXPA02011091A/es active IP Right Grant
- 2002-03-08 US US10/094,067 patent/US7124304B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
PL373366A1 (en) | 2005-08-22 |
EP1370921A2 (en) | 2003-12-17 |
CN100458640C (zh) | 2009-02-04 |
CN1471663A (zh) | 2004-01-28 |
BR0204473A (pt) | 2003-05-13 |
JP4294322B2 (ja) | 2009-07-08 |
BRPI0204473B1 (pt) | 2017-11-28 |
RU2290767C2 (ru) | 2006-12-27 |
WO2002073378A3 (en) | 2003-10-02 |
WO2002073378A2 (en) | 2002-09-19 |
KR20030001482A (ko) | 2003-01-06 |
KR100932944B1 (ko) | 2009-12-21 |
MXPA02011091A (es) | 2003-06-09 |
US7124304B2 (en) | 2006-10-17 |
JP2004534291A (ja) | 2004-11-11 |
US20020174354A1 (en) | 2002-11-21 |
AU2002225292A1 (en) | 2002-09-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2003130084A (ru) | Приемное устройство для защищенного сохранения единицы контента и устройство воспроизведения | |
US7130426B1 (en) | Digital data file encryption apparatus and method and recording medium for recording digital data file encryption program thereon | |
US6999948B1 (en) | Memory card | |
KR101067566B1 (ko) | 콘텐츠 배포 시스템에서 다수의 콘텐츠 단편을 갖는 미디어 저장 구조의 사용 | |
EP1067447B1 (en) | Storage medium for contents protection | |
US8086535B2 (en) | Decoupling rights in a digital content unit from download | |
US20060149683A1 (en) | User terminal for receiving license | |
EP1061515B1 (en) | Memory card, memory card utilizing device, and corresponding method and program for converting management information which contains restrictive information using a different key in each management information send and receive session | |
US20030016829A1 (en) | System and method for protecting content data | |
US8005758B2 (en) | Encryption/decryption method and apparatus for controlling content use based on license information | |
KR20030027066A (ko) | 데이터 교환을 위해 배열된 장치 및 인증 방법 | |
JP2008527874A (ja) | 暗号化システム、方法およびコンピュータ・プログラム(暗号の結合状態情報をセキュアにかつ使い勝手よく処理するシステムおよび方法) | |
US20050089164A1 (en) | System and method for the production and distribution of copy-protected and use-protected electronic audio and visual media and the data contents thereof | |
JP2000115154A5 (ja) | データ処理装置および方法、並びにデータ復号処理装置および方法 | |
KR100748867B1 (ko) | 기록된 공개 자료로부터 마스터 키의 복구 | |
US20060218646A1 (en) | Method and system for managing digital rights | |
US7987361B2 (en) | Method of copying and decrypting encrypted digital data and apparatus therefor | |
JP3556891B2 (ja) | デジタルデータ不正使用防止システム及び再生装置 | |
JP2007505347A (ja) | コンテンツプロテクト方法及びシステム | |
KR100695665B1 (ko) | 엔티티 잠금 보안 레지스트리를 사용하여 자료에 액세스하는 장치 및 방법 | |
KR20000055719A (ko) | 디지탈 데이터 파일 암호화 방법 | |
JP4398228B2 (ja) | コンテンツの再生記録方法及びシステム | |
WO2006006233A1 (ja) | コンテンツ記録装置及びデータ配信システム | |
KR20000055721A (ko) | 디지탈 데이터 파일 암호화 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20070129 |
|
NF4A | Reinstatement of patent |
Effective date: 20090810 |