CN101496341A - 终端装置、服务器装置以及内容分发系统 - Google Patents
终端装置、服务器装置以及内容分发系统 Download PDFInfo
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- CN101496341A CN101496341A CNA2007800280937A CN200780028093A CN101496341A CN 101496341 A CN101496341 A CN 101496341A CN A2007800280937 A CNA2007800280937 A CN A2007800280937A CN 200780028093 A CN200780028093 A CN 200780028093A CN 101496341 A CN101496341 A CN 101496341A
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Images
Classifications
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- G—PHYSICS
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- 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]
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/002—Countermeasures against attacks on cryptographic mechanisms
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- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
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- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
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- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
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- 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
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- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
- H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
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- 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
- G11B20/00217—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00224—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a remote server
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- G—PHYSICS
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- 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
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- G—PHYSICS
- G11—INFORMATION STORAGE
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- 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
- G11B20/00847—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 is defined by a licence file
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- 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
- G11B20/00869—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of exchanging information with a remote server wherein the remote server can deliver the content to a receiving device
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- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006205271 | 2006-07-27 | ||
JP205271/2006 | 2006-07-27 | ||
PCT/JP2007/064820 WO2008013287A1 (fr) | 2006-07-27 | 2007-07-27 | dispositif de terminal, dispositif de serveur et système de distribution de contenus |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101496341A true CN101496341A (zh) | 2009-07-29 |
CN101496341B CN101496341B (zh) | 2011-11-30 |
Family
ID=38981597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800280937A Expired - Fee Related CN101496341B (zh) | 2006-07-27 | 2007-07-27 | 终端装置、服务器装置以及内容分发系统 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7721088B2 (zh) |
EP (1) | EP2040411B1 (zh) |
CN (1) | CN101496341B (zh) |
BR (1) | BRPI0715101A2 (zh) |
WO (1) | WO2008013287A1 (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200511860A (en) * | 2003-05-14 | 2005-03-16 | Nagracard Sa | Duration computing method in a security module |
CN101496341B (zh) * | 2006-07-27 | 2011-11-30 | 松下电器产业株式会社 | 终端装置、服务器装置以及内容分发系统 |
US8819843B2 (en) * | 2008-02-15 | 2014-08-26 | Qualcomm Incorporated | Methods and apparatus for conditional access of non real-time content in a distribution system |
US7890599B2 (en) * | 2008-03-07 | 2011-02-15 | Arun Kalmanje | Pause and replay of media content through bookmarks on a server device |
US8909776B2 (en) * | 2008-03-07 | 2014-12-09 | Arun Kalmanje | Pause and replay of media content through bookmarks on a server device |
US9961374B2 (en) | 2008-03-07 | 2018-05-01 | Iii Holdings 1, Llc | Pause and replay of media content through bookmarks on a server device |
JP5208549B2 (ja) * | 2008-03-25 | 2013-06-12 | 株式会社東芝 | 通信装置、システム、送信方法及びプログラム |
US8307410B2 (en) * | 2008-08-12 | 2012-11-06 | Mastercard International Incorporated | Systems, methods, and computer readable media for providing for secure offline data transfer between wireless smart devices |
JP5167079B2 (ja) * | 2008-11-13 | 2013-03-21 | キヤノン株式会社 | 受信装置及びその制御方法 |
US9009337B2 (en) | 2008-12-22 | 2015-04-14 | Netflix, Inc. | On-device multiplexing of streaming media content |
US20100278337A1 (en) * | 2009-04-30 | 2010-11-04 | Brandon Pliska | Encryption-Based Location Masking |
JP5552541B2 (ja) * | 2009-12-04 | 2014-07-16 | クリプトグラフィ リサーチ, インコーポレイテッド | 検証可能な耐漏洩性暗号化および復号化 |
WO2011125141A1 (ja) | 2010-04-08 | 2011-10-13 | パナソニック株式会社 | コンテンツ受信機、ライセンスサーバ、コンテンツ利用システム、コンテンツの視聴期限管理方法、プログラム、および記録媒体 |
US20120185636A1 (en) * | 2010-08-04 | 2012-07-19 | Isc8, Inc. | Tamper-Resistant Memory Device With Variable Data Transmission Rate |
WO2013152801A1 (en) * | 2012-04-13 | 2013-10-17 | Telefonaktiebolaget L M Ericsson (Publ) | An improved method and apparatus for providing extended tv data |
GB2504274B (en) * | 2012-07-23 | 2016-09-14 | Anthony Santherasakaram Jerome | Method and system for distributing media data |
JP6255271B2 (ja) * | 2014-02-14 | 2017-12-27 | ソニー株式会社 | 受信装置、受信方法、送信装置、及び、送信方法 |
US10862873B1 (en) * | 2020-04-30 | 2020-12-08 | Snowflake Inc. | Message-based database replication |
US11822701B2 (en) * | 2021-04-09 | 2023-11-21 | VIQ Solutions Inc. | Securing and managing offline digital evidence with a smart data lease system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10341212A (ja) | 1997-06-10 | 1998-12-22 | Matsushita Electric Ind Co Ltd | 暗号文伝送システム |
DE69802288T2 (de) * | 1997-08-01 | 2002-06-27 | Scientific Atlanta | Autorisierung von diensten in einem system mit bedingtem zugriff |
JP3552515B2 (ja) | 1998-02-09 | 2004-08-11 | 松下電器産業株式会社 | スクランブル制御方法及び受信装置 |
FR2818062B1 (fr) | 2000-12-07 | 2003-04-11 | Thomson Multimedia Sa | Methode de transmission securisee de donnees numeriques d'une source vers un recepteur |
JP2002218431A (ja) | 2001-01-15 | 2002-08-02 | Toshiba Corp | 放送受信装置、該装置に用いるモジュール、放送受信方法 |
JP3791499B2 (ja) * | 2003-01-23 | 2006-06-28 | ソニー株式会社 | コンテンツ配信システム、情報処理装置又は情報処理方法、並びにコンピュータ・プログラム |
JP4246529B2 (ja) | 2003-03-31 | 2009-04-02 | 富士通株式会社 | 地上デジタル放送システムおよび地上デジタル放送権利保護装置 |
EP1680902A1 (en) | 2003-11-07 | 2006-07-19 | Matsushita Electric Industrial Co., Ltd. | System and method for time-limited digital content access |
JP2005160032A (ja) | 2003-11-07 | 2005-06-16 | Matsushita Electric Ind Co Ltd | コンテンツ再生制御システム、サーバ装置、端末装置およびコンテンツ再生制御方法 |
US20060005031A1 (en) * | 2004-06-15 | 2006-01-05 | Apostolopoulos John G | Methods and systems for utilizing a single cryptographic integrity check to generate multiple cryptographic integrity check values for components of transcodable content |
US20060200412A1 (en) * | 2005-02-23 | 2006-09-07 | Comcast Cable Holdings, Llc | System and method for DRM regional and timezone key management |
CN101496341B (zh) * | 2006-07-27 | 2011-11-30 | 松下电器产业株式会社 | 终端装置、服务器装置以及内容分发系统 |
-
2007
- 2007-07-27 CN CN2007800280937A patent/CN101496341B/zh not_active Expired - Fee Related
- 2007-07-27 BR BRPI0715101-2A patent/BRPI0715101A2/pt not_active IP Right Cessation
- 2007-07-27 EP EP07791514.8A patent/EP2040411B1/en not_active Expired - Fee Related
- 2007-07-27 WO PCT/JP2007/064820 patent/WO2008013287A1/ja active Application Filing
- 2007-07-27 US US12/374,869 patent/US7721088B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
BRPI0715101A2 (pt) | 2013-06-04 |
WO2008013287A1 (fr) | 2008-01-31 |
US7721088B2 (en) | 2010-05-18 |
EP2040411B1 (en) | 2017-01-18 |
CN101496341B (zh) | 2011-11-30 |
EP2040411A1 (en) | 2009-03-25 |
EP2040411A4 (en) | 2014-09-17 |
US20090187762A1 (en) | 2009-07-23 |
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