KR100932944B1 - 컨텐트 아이템을 안전하게 저장하는 수신 디바이스와, 재생 디바이스 - Google Patents
컨텐트 아이템을 안전하게 저장하는 수신 디바이스와, 재생 디바이스 Download PDFInfo
- Publication number
- KR100932944B1 KR100932944B1 KR1020027015176A KR20027015176A KR100932944B1 KR 100932944 B1 KR100932944 B1 KR 100932944B1 KR 1020027015176 A KR1020027015176 A KR 1020027015176A KR 20027015176 A KR20027015176 A KR 20027015176A KR 100932944 B1 KR100932944 B1 KR 100932944B1
- Authority
- KR
- South Korea
- Prior art keywords
- key
- group
- license file
- content item
- llek
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 2
- WCIDIJQCEUODDY-UHFFFAOYSA-N chloro(dimethyl)sulfanium Chemical compound C[S+](C)Cl WCIDIJQCEUODDY-UHFFFAOYSA-N 0.000 claims 5
- 238000004590 computer program Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Images
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)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computing Systems (AREA)
- Databases & Information 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)
Abstract
Description
Claims (17)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 저장 매체(111) 상에 저장된 컨텐트 아이템(102)을 재생하는 재생 디바이스(121)로서,상기 컨텐트 아이템(102)에 대한 라이센스 파일(141)에서의 허가에 따라 상기 컨텐트 아이템(102)을 재생하고, 상기 컨텐트 아이템을 해독하기 위해 상기 라이센스 파일에 포함된 해독 키를 사용하는 재생 수단(305)으로서, 상기 라이센스 파일(141)은 상기 저장 매체(111) 상에서 암호화되어 저장되는, 상기 재생 수단(305);상기 재생 디바이스의 내부에 하나 이상의 해독 키들을 저장하는 보안 저장 수단(309)으로서, 각각의 해독 키는 재생 디바이스들의 각각의 그룹과 연관되는, 상기 보안 저장 수단(309);원격 서버(이하, 컨텐트 분배 관리 시스템(Content Distribution Management System) 또는 CDMS라 함; 310)에서 상기 재생 디바이스(121)와 연관된 공개/비밀 키 쌍 중 공개 키를 등록하고, 상기 공개 키로 암호화된 재생 디바이스들의 그룹과 연관된 해독 키를 리턴으로 수신하며 상기 암호화된 해독 키를 해독하고 상기 해독 키를 상기 보안 저장 수단(309)에 저장하는 등록 수단(306)으로서, 상기 공개/비밀 키 쌍 중 비밀 키는 상기 보안 저장 수단(309)에 저장되는, 상기 등록 수단(306);저장된 해독 키가 상기 암호화된 라이센스 파일(141)을 해독하는데 적합한지를 검사하고, 적합하다면,상기 저장된 해독 키를 사용하여 상기 라이센스 파일(141)을 해독하고 상기 해독된 라이센스 파일(141)을 상기 재생 수단(305)에 제공하는, 디코딩 수단(302)을 포함하는, 재생 디바이스(121).
- 제 6 항에 있어서,상기 라이센스 파일(141)은 세션키(이하, 라이센스 로커 암호 키(License Locker Encryption Key) 또는 LLEK라 함)로 암호화되어 저장되고, 상기 LLEK는 LLEK 암호 키로 암호화되어 상기 저장 매체(111) 상에 저장되고, 상기 하나 이상의 해독 키들은 LLEK 해독 키들이고, 상기 디코딩 수단(302)은 저장된 LLEK 해독 키가 상기 암호화된 LLEK를 해독하는데 적합한지를 검사하고, 적합하다면, 상기 저장된 LLEK 해독 키를 이용하여 상기 암호화된 LLEK로부터 LLEK를 얻고, 상기 LLEK를 이용하여 상기 라이센스 파일(141)을 해독하도록 구성되는, 재생 디바이스(121).
- 제 6 항에 있어서,상기 컨텐트 아이템(102)은 오디오 및 비디오 데이터 중 적어도 하나를 포함하는, 재생 디바이스(121).
- 제 6 항에 있어서,상기 저장된 해독 키는 공개/비밀 키 쌍 중 비밀 키인, 재생 디바이스(121).
- 삭제
- 삭제
- 삭제
- 제 6 항에 있어서,상기 저장 매체(111)는 고체 메모리 카드인, 재생 디바이스(121).
- 제 6 항에 있어서,상기 보안 저장 수단(309)은 삭제 가능한 저장 수단인, 재생 디바이스(121).
- 제 6 항에 청구된 재생 디바이스(121) 및 상기 CDMS(310)를 포함하는 시스템(100)으로서, 상기 CDMS(310)는 상기 재생 디바이스들의 그룹과 연관된 상기 해독 키를 암호화하고 상기 암호화된 해독 키를 상기 재생 디바이스(121)에 전송하도록 구성되고, 상기 재생 디바이스(121)는 상기 재생 디바이스들의 그룹의 멤버로서 상기 공개 키를 가지는, 시스템(100).
- 제 15 항에 있어서,상기 CDMS는 상기 그룹에서 재생 디바이스들의 수를 한정하도록 구성되는, 시스템(100).
- 제 15 항에 있어서,상기 CDMS는 상기 그룹에 대한 암호 키 및 해독 키를 주기적으로 대체하고, 상기 그룹의 멤버들인 디바이스들에 대체 해독 키만을 공급하도록 구성되는, 시스템(100).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01200898.3 | 2001-03-12 | ||
EP01200898 | 2001-03-12 | ||
PCT/IB2002/000245 WO2002073378A2 (en) | 2001-03-12 | 2002-01-28 | Receiving device for securely storing a content item, and playback device |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030001482A KR20030001482A (ko) | 2003-01-06 |
KR100932944B1 true KR100932944B1 (ko) | 2009-12-21 |
Family
ID=8179990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027015176A KR100932944B1 (ko) | 2001-03-12 | 2002-01-28 | 컨텐트 아이템을 안전하게 저장하는 수신 디바이스와, 재생 디바이스 |
Country Status (11)
Country | Link |
---|---|
US (1) | US7124304B2 (ko) |
EP (1) | EP1370921A2 (ko) |
JP (1) | JP4294322B2 (ko) |
KR (1) | KR100932944B1 (ko) |
CN (1) | CN100458640C (ko) |
AU (1) | AU2002225292A1 (ko) |
BR (2) | BRPI0204473B1 (ko) |
MX (1) | MXPA02011091A (ko) |
PL (1) | PL373366A1 (ko) |
RU (1) | RU2290767C2 (ko) |
WO (1) | WO2002073378A2 (ko) |
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 |
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 |
EP1540955A4 (en) * | 2002-07-09 | 2007-08-01 | Kaleidescape Inc | CONTENT AND LOCK DISTRIBUTION SYSTEM FOR MEDIA-STR ME REPRESENTING DIGITAL CONTENTS |
US8041642B2 (en) | 2002-07-10 | 2011-10-18 | Avaya Inc. | Predictive software license balancing |
US7681245B2 (en) | 2002-08-30 | 2010-03-16 | Avaya Inc. | Remote feature activator feature extraction |
US7966520B2 (en) | 2002-08-30 | 2011-06-21 | Avaya Inc. | Software licensing for spare processors |
US7698225B2 (en) | 2002-08-30 | 2010-04-13 | Avaya Inc. | License modes in call processing |
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 |
EP2290975A3 (en) * | 2002-12-17 | 2012-05-23 | Sony Pictures Entertainment Inc. | Method and apparatus for access control in an overlapping multiserver network environment |
US8230084B2 (en) * | 2002-12-17 | 2012-07-24 | Sony Corporation | Network management in a media network environment |
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 |
CN1938692A (zh) * | 2004-03-31 | 2007-03-28 | 松下电器产业株式会社 | 安全系统、安全器件、终端装置、方法以及程序 |
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 |
CN1950806A (zh) * | 2004-04-30 | 2007-04-18 | 松下电器产业株式会社 | 利用保密装置的数字著作权管理 |
KR100636150B1 (ko) * | 2004-07-01 | 2006-10-19 | 삼성전자주식회사 | 암호화 모듈을 포함하는 멀티미디어 장치 |
US7877328B2 (en) * | 2004-07-21 | 2011-01-25 | Sony Corporation | Communication system communication method, contents 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 |
US8229858B1 (en) | 2004-09-30 | 2012-07-24 | Avaya Inc. | Generation of enterprise-wide licenses in a customer environment |
US7747851B1 (en) * | 2004-09-30 | 2010-06-29 | Avaya Inc. | Certificate distribution via license files |
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 |
US8881304B2 (en) | 2005-07-25 | 2014-11-04 | Koninklijke Philips N.V. | Method of controlled access to content |
EP1921559A1 (en) * | 2005-08-31 | 2008-05-14 | Sony Corporation | Group registration device, group registration release device, group registration method, license acquisition device, license acquisition method, time setting device, and time setting method |
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 |
JP4801090B2 (ja) * | 2005-11-18 | 2011-10-26 | パナソニック株式会社 | 記録再生装置、通信装置、プログラム、システムlsi |
DE102005062042A1 (de) * | 2005-12-22 | 2007-06-28 | Applied Security Gmbh | Datenobjektverarbeitungssystem und Verfahren zur Bearbeitung von elektronischen Datenobjekten |
US10664575B2 (en) | 2006-05-02 | 2020-05-26 | Acer Cloud Technology, Inc. | Virtual vault of licensed content |
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 |
JPWO2008059559A1 (ja) * | 2006-11-13 | 2010-02-25 | パイオニア株式会社 | コンテンツ配信装置、コンテンツ再生装置、コンテンツ記録装置、コンテンツ配信方法、コンテンツ再生方法、コンテンツ記録方法、コンテンツ配信プログラム、コンテンツ再生プログラム、コンテンツ記録プログラムおよびコンピュータに読み取り可能な記録媒体 |
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 |
US8334787B2 (en) | 2007-10-25 | 2012-12-18 | Trilliant Networks, Inc. | Gas meter having ultra-sensitive magnetic material retrofitted onto meter dial and method for performing meter retrofit |
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 |
WO2009067251A1 (en) | 2007-11-25 | 2009-05-28 | Trilliant Networks, Inc. | Communication and message route optimization and messaging in a mesh network |
WO2009067257A1 (en) | 2007-11-25 | 2009-05-28 | Trilliant Networks, Inc. | Energy use control system and method |
CA2705021A1 (en) * | 2007-11-25 | 2009-05-28 | Trilliant Networks, Inc. | Proxy use within a mesh 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 |
WO2010027495A1 (en) | 2008-09-04 | 2010-03-11 | Trilliant Networks, Inc. | A system and 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 |
US9084120B2 (en) | 2010-08-27 | 2015-07-14 | Trilliant Networks Inc. | System and method for interference free operation of co-located transceivers |
WO2012037055A1 (en) | 2010-09-13 | 2012-03-22 | Trilliant Networks | Process for detecting energy theft |
EP2641137A2 (en) | 2010-11-15 | 2013-09-25 | Trilliant Holdings, Inc. | System and method for securely communicating across multiple networks using a single radio |
WO2012097204A1 (en) | 2011-01-14 | 2012-07-19 | Trilliant Holdings, Inc. | 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 |
WO2012122310A1 (en) | 2011-03-08 | 2012-09-13 | 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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5787175A (en) | 1995-10-23 | 1998-07-28 | Novell, Inc. | Method and apparatus for collaborative document control |
EP0878796A2 (en) * | 1997-05-13 | 1998-11-18 | Kabushiki Kaisha Toshiba | Information recording apparatus, information reproducing apparatus, and information distribution system |
WO2000052558A1 (en) | 1999-03-01 | 2000-09-08 | Storage Technology Corporation | Method and system for secure information handling |
Family Cites Families (7)
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 |
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 |
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 |
-
2002
- 2002-01-28 CN CNB028016211A patent/CN100458640C/zh not_active Expired - Lifetime
- 2002-01-28 KR KR1020027015176A patent/KR100932944B1/ko active IP Right Grant
- 2002-01-28 BR BRPI0204473-0A patent/BRPI0204473B1/pt unknown
- 2002-01-28 JP JP2002571970A patent/JP4294322B2/ja not_active Expired - Lifetime
- 2002-01-28 BR BR0204473-0A patent/BR0204473A/pt active IP Right Grant
- 2002-01-28 WO PCT/IB2002/000245 patent/WO2002073378A2/en active Application Filing
- 2002-01-28 EP EP02715645A patent/EP1370921A2/en not_active Ceased
- 2002-01-28 RU RU2003130084/09A patent/RU2290767C2/ru active IP Right Revival
- 2002-01-28 AU AU2002225292A patent/AU2002225292A1/en not_active Abandoned
- 2002-01-28 MX MXPA02011091A patent/MXPA02011091A/es active IP Right Grant
- 2002-01-28 PL PL02373366A patent/PL373366A1/xx not_active Application Discontinuation
- 2002-03-08 US US10/094,067 patent/US7124304B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5787175A (en) | 1995-10-23 | 1998-07-28 | Novell, Inc. | Method and apparatus for collaborative document control |
EP0878796A2 (en) * | 1997-05-13 | 1998-11-18 | Kabushiki Kaisha Toshiba | Information recording apparatus, information reproducing apparatus, and information distribution system |
WO2000052558A1 (en) | 1999-03-01 | 2000-09-08 | Storage Technology Corporation | Method and system for secure information handling |
Also Published As
Publication number | Publication date |
---|---|
US7124304B2 (en) | 2006-10-17 |
JP2004534291A (ja) | 2004-11-11 |
CN1471663A (zh) | 2004-01-28 |
KR20030001482A (ko) | 2003-01-06 |
PL373366A1 (en) | 2005-08-22 |
US20020174354A1 (en) | 2002-11-21 |
WO2002073378A3 (en) | 2003-10-02 |
MXPA02011091A (es) | 2003-06-09 |
JP4294322B2 (ja) | 2009-07-08 |
BR0204473A (pt) | 2003-05-13 |
WO2002073378A2 (en) | 2002-09-19 |
EP1370921A2 (en) | 2003-12-17 |
RU2290767C2 (ru) | 2006-12-27 |
CN100458640C (zh) | 2009-02-04 |
AU2002225292A1 (en) | 2002-09-24 |
RU2003130084A (ru) | 2005-04-10 |
BRPI0204473B1 (pt) | 2017-11-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100932944B1 (ko) | 컨텐트 아이템을 안전하게 저장하는 수신 디바이스와, 재생 디바이스 | |
US7499550B2 (en) | System and method for protecting a title key in a secure distribution system for recordable media content | |
US6950941B1 (en) | Copy protection system for portable storage media | |
US7933837B2 (en) | Content information providing system, content information providing server, content reproduction apparatus, content information providing method, content reproduction method and computer program | |
US7685636B2 (en) | System, service, and method for enabling authorized use of distributed content on a protected media | |
TWI450124B (zh) | 改良之領域存取 | |
US20010032312A1 (en) | System and method for secure electronic digital rights management, secure transaction management and content distribution | |
US8086535B2 (en) | Decoupling rights in a digital content unit from download | |
US20050021783A1 (en) | Information processing apparatus and method | |
US20040125957A1 (en) | Method and system for secure distribution | |
US20030016829A1 (en) | System and method for protecting content data | |
JP2005503719A (ja) | ディジタルドキュメントの安全な配信方法とシステム | |
WO2004027622A2 (en) | Method and system for secure distribution | |
JP2007124717A (ja) | デジタルコンテンツ無断複製防止システム | |
KR20030007430A (ko) | 사용자 데이터의 안전한 슈퍼 배포 | |
EP1474908A2 (en) | METHOD AND SYSTEM FOR SECURELY TRANSMITTING AND DISTRIBUTING INFORMATION AND FOR PRODUCING A PHYSICAL INSTANTIATION OF THE TRANSMITTED INFORMATION IN AN INTERMEDIATE, INFORMATION−STORAGE MEDIUM | |
WO2001041027A1 (en) | System and method for secure electronic digital rights management, secure transaction management and content distribution | |
JP2003298565A (ja) | コンテンツ配信システム | |
KR100320182B1 (ko) | 디지탈 데이터 파일 암호화 방법 | |
JP2002215467A (ja) | データ提供装置,データ利用装置,それらのプログラム記憶媒体,プログラム,コンテンツの部分販売システムおよびコンピュータ読み取り可能なデータ記憶媒体 | |
WO2006000967A1 (en) | System for transaction of digital content | |
FR2867868A1 (fr) | Procede de protection de logiciels et de donnees avec methode de gestion de clefs securisees | |
WO2002093922A1 (en) | Method and arrangement in a communications network | |
KR20080084318A (ko) | 데이타 복제방지 시스템 및 그 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E90F | Notification of reason for final refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121204 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20131209 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20141209 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20151208 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20161206 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20171128 Year of fee payment: 9 |