CN101233755A - 多媒体数据保护 - Google Patents

多媒体数据保护 Download PDF

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Publication number
CN101233755A
CN101233755A CNA2006800256929A CN200680025692A CN101233755A CN 101233755 A CN101233755 A CN 101233755A CN A2006800256929 A CNA2006800256929 A CN A2006800256929A CN 200680025692 A CN200680025692 A CN 200680025692A CN 101233755 A CN101233755 A CN 101233755A
Authority
CN
China
Prior art keywords
client
key
browser
server
media
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2006800256929A
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English (en)
Chinese (zh)
Inventor
吉斯勒·格里曼
克里斯蒂安·芒什
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Secustream Technologies AS
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Secustream Technologies AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Secustream Technologies AS filed Critical Secustream Technologies AS
Publication of CN101233755A publication Critical patent/CN101233755A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • 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
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
    • 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
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/068—Network architectures or network communication protocols for network security for supporting key management in a packet data network using time-dependent keys, e.g. periodically changing keys
    • 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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • 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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23895—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption
    • 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
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • H04N21/25816—Management of client data involving client authentication
    • 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
    • H04N21/266—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
    • H04N21/26613—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 keys in general
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • H04N21/43853—Multiplex stream processing, e.g. multiplex stream decrypting involving multiplex stream 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • 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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44236—Monitoring of piracy processes or activities
    • 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
    • H04N21/466—Learning process for intelligent management, e.g. learning user preferences for recommending movies
    • 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
    • H04N21/633—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Health & Medical Sciences (AREA)
  • Virology (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Graphics (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
  • Information Transfer Between Computers (AREA)
CNA2006800256929A 2005-07-14 2006-07-14 多媒体数据保护 Pending CN101233755A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0514492.8 2005-07-14
GBGB0514492.8A GB0514492D0 (en) 2005-07-14 2005-07-14 Secure media streaming

Publications (1)

Publication Number Publication Date
CN101233755A true CN101233755A (zh) 2008-07-30

Family

ID=34897225

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006800256929A Pending CN101233755A (zh) 2005-07-14 2006-07-14 多媒体数据保护

Country Status (10)

Country Link
US (2) US8627081B2 (enExample)
EP (1) EP1913774B1 (enExample)
JP (2) JP2009501470A (enExample)
KR (1) KR20080037025A (enExample)
CN (1) CN101233755A (enExample)
AU (1) AU2006268017A1 (enExample)
CA (1) CA2615469A1 (enExample)
GB (2) GB0514492D0 (enExample)
RU (1) RU2449494C2 (enExample)
WO (1) WO2007007112A2 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101924749A (zh) * 2010-01-28 2010-12-22 赵路 实现网络安全浏览的系统和方法
CN108064381A (zh) * 2015-03-30 2018-05-22 爱迪德技术有限公司 数据保护
CN109409084A (zh) * 2018-09-21 2019-03-01 中国科学院信息工程研究所 一种检测返回地址被篡改的链式数据存储结构
CN110287654A (zh) * 2013-07-23 2019-09-27 爱立信股份有限公司 使用硬件信任根的媒体客户端装置鉴权
CN113596600A (zh) * 2021-08-03 2021-11-02 广州繁星互娱信息科技有限公司 直播嵌入程序的安全管理方法、装置、设备及存储介质

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2443264A (en) * 2006-10-27 2008-04-30 Ntnu Technology Transfer As Integrity checking method for a device in a computer network, which controls access to data; e.g. to prevent cheating in online game
WO2008050146A2 (en) * 2006-10-27 2008-05-02 Secustream Technologies As Protecting data from access in online game
DE102006060043A1 (de) * 2006-12-19 2008-06-26 Siemens Ag Verfahren und Sender zum Bereitstellen eines Datenstroms, Verfahren und Empfänger zum Abruf zumindest eines Datensegments eines Datenstroms
US7945052B2 (en) * 2007-03-29 2011-05-17 Gary Stephen Shuster Method of distributing a decryption key in fixed-content data
KR100914771B1 (ko) 2007-05-09 2009-09-01 주식회사 웰비아닷컴 일회용 실행 코드를 이용한 보안 시스템 및 보안 방법
CN101836214A (zh) 2007-08-29 2010-09-15 僖迪网络科技株式会社 对数字媒体内容未经许可的复制的保护
US8301570B2 (en) * 2007-10-29 2012-10-30 Infosys Technologies Limited Method and system for data security in an IMS network
US8005227B1 (en) * 2007-12-27 2011-08-23 Emc Corporation Key information consistency checking in encrypting data storage system
WO2009139650A1 (en) * 2008-05-12 2009-11-19 Business Intelligence Solutions Safe B.V. A data obfuscation system, method, and computer implementation of data obfuscation for secret databases
RU2536379C2 (ru) 2008-11-26 2014-12-20 Калгари Сайентифик Инк. Способ и система для обеспечения удаленного доступа к состоянию прикладной программы
US10055105B2 (en) 2009-02-03 2018-08-21 Calgary Scientific Inc. Method and system for enabling interaction with a plurality of applications using a single user interface
US20100223114A1 (en) * 2009-03-02 2010-09-02 Cisco Technology Digital signage proof of play
US8812959B2 (en) * 2009-06-30 2014-08-19 International Business Machines Corporation Method and system for delivering digital content
US8544033B1 (en) 2009-12-19 2013-09-24 Cisco Technology, Inc. System and method for evaluating content in a digital signage environment
US8838954B2 (en) * 2010-02-02 2014-09-16 Futurewei Technologies, Inc. Media processing devices for adaptive delivery of on-demand media, and methods thereof
WO2011127312A1 (en) * 2010-04-07 2011-10-13 Apple Inc. Real-time or near real-time streaming
GB201008888D0 (en) * 2010-05-27 2010-07-14 Qinetiq Ltd Network security
US9135352B2 (en) 2010-06-03 2015-09-15 Cisco Technology, Inc. System and method for providing targeted advertising through traffic analysis in a network environment
US9741084B2 (en) 2011-01-04 2017-08-22 Calgary Scientific Inc. Method and system for providing remote access to data for display on a mobile device
US9258587B2 (en) * 2011-01-05 2016-02-09 Verizon Patent And Licensing Inc. Content blackout determinations for playback of video streams on portable devices
CA2734860A1 (en) 2011-03-21 2012-09-21 Calgary Scientific Inc. Method and system for providing a state model of an application program
US8751807B2 (en) 2011-06-23 2014-06-10 Azuki Systems Inc. Method and system for secure over-the-top live video delivery
JP5779434B2 (ja) * 2011-07-15 2015-09-16 株式会社ソシオネクスト セキュリティ装置及びセキュリティシステム
EP2745464A4 (en) 2011-08-15 2015-10-14 Calgary Scient Inc Noninvasive remote access to an application program
JP6164747B2 (ja) 2011-08-15 2017-07-19 カルガリー サイエンティフィック インコーポレイテッド 協働環境におけるフロー制御のためのおよび信頼性のある通信のための方法
US9489541B2 (en) * 2011-09-09 2016-11-08 Nvidia Corporation Content protection via online servers and code execution in a secure operating system
HK1200619A1 (en) 2011-09-30 2015-09-18 Calgary Scientific Inc. Uncoupled application extensions including interactive digital surface layer for collaborative remote application sharing and annotating
US9787463B2 (en) * 2011-10-14 2017-10-10 Maxlinear, Inc. Method and system for server-side message handling in a low-power wide area network
WO2013076554A1 (en) 2011-11-23 2013-05-30 Calgary Scientific Inc. Methods ans systems for collaborative remote application sharing and conferencing
US8792912B2 (en) 2011-12-22 2014-07-29 Cisco Technology, Inc. System and method for providing proximity-based dynamic content in a network environment
CA2865707A1 (en) 2012-03-02 2013-09-06 Calgary Scientific Inc. Remote control of an application using dynamic-linked library (dll) injection
US9729673B2 (en) 2012-06-21 2017-08-08 Calgary Scientific Inc. Method and system for providing synchronized views of multiple applications for display on a remote computing device
CN103747039B (zh) * 2012-12-21 2017-06-13 北京海威汇达计算机技术有限责任公司 数字电影拷贝分发系统
GB2510641A (en) * 2013-02-12 2014-08-13 F Secure Corp Detecting suspicious code injected into a process if function call return address points to suspicious memory area
CN104134021B (zh) * 2013-06-20 2016-03-02 腾讯科技（深圳）有限公司 软件的防篡改验证方法及装置
US9569618B2 (en) * 2013-08-28 2017-02-14 Korea University Research And Business Foundation Server and method for attesting application in smart device using random executable code
CA2931762C (en) 2013-11-29 2020-09-22 Calgary Scientific Inc. Method for providing a connection of a client to an unmanaged service in a client-server remote access system
EP2958039B1 (en) * 2014-06-16 2019-12-18 Vodafone GmbH Device for decrypting and providing content of a provider and method for operating the device
US9613226B2 (en) * 2014-10-01 2017-04-04 VYRTY Corporation Secure access to individual information
US10050784B2 (en) * 2014-11-13 2018-08-14 Secure Channels Inc. System and method for generating a cryptographic key
US11310348B2 (en) 2015-01-30 2022-04-19 Calgary Scientific Inc. Highly scalable, fault tolerant remote access architecture and method of connecting thereto
US10015264B2 (en) 2015-01-30 2018-07-03 Calgary Scientific Inc. Generalized proxy architecture to provide remote access to an application framework
CN104978542B (zh) * 2015-06-11 2019-08-13 福建天晴数码有限公司 安全存储数据和访问数据的方法及系统
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
US10348695B1 (en) 2016-05-26 2019-07-09 VYRTY Corporation Secure access to individual information
US10432685B2 (en) 2016-05-31 2019-10-01 Brightcove, Inc. Limiting key request rates for streaming media
US11343330B2 (en) 2018-04-18 2022-05-24 VYRTY Corporation Secure access to individual information
US11550903B1 (en) * 2019-04-26 2023-01-10 Joseph Alan Epstein System and method for trustworthiness, reputation, provenance, and measurement of software
US11757634B2 (en) 2021-03-30 2023-09-12 Bank Of America Corporation System for secure client-side cryptographic key retrieval using cryptographic key splitting and wrapping

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5544163A (en) * 1994-03-08 1996-08-06 Excel, Inc. Expandable telecommunications system
JPH09139849A (ja) 1995-11-13 1997-05-27 Mita Ind Co Ltd ファクシミリ装置の暗号化方法
AU725933C (en) * 1996-11-18 2001-07-26 Mci Worldcom, Inc. A communication system architecture
IL122106A (en) 1997-11-04 2010-11-30 Enco Tone Ltd Method and algorithms for identification and validation
US6185685B1 (en) * 1997-12-11 2001-02-06 International Business Machines Corporation Security method and system for persistent storage and communications on computer network systems and computer network systems employing the same
US6266754B1 (en) * 1998-05-29 2001-07-24 Texas Instruments Incorporated Secure computing device including operating system stored in non-relocatable page of memory
US6438235B2 (en) * 1998-08-05 2002-08-20 Hewlett-Packard Company Media content protection utilizing public key cryptography
BR9914035A (pt) 1998-09-22 2001-06-19 Infineon Technologies Ag Processo para a autenticação de, pelo menos, um assinante durante uma troca de dados
US6535687B1 (en) * 1999-07-23 2003-03-18 Sarnoff Corporation Method and system for deterring electronic video piracy through image rearrangement
US7430670B1 (en) * 1999-07-29 2008-09-30 Intertrust Technologies Corp. Software self-defense systems and methods
US20010036271A1 (en) 1999-09-13 2001-11-01 Javed Shoeb M. System and method for securely distributing digital content for short term use
US7080257B1 (en) * 2000-03-27 2006-07-18 Microsoft Corporation Protecting digital goods using oblivious checking
DE60140125D1 (de) * 2000-08-11 2009-11-19 Nds Ltd Ertragenem inhalt
US7743259B2 (en) * 2000-08-28 2010-06-22 Contentguard Holdings, Inc. System and method for digital rights management using a standard rendering engine
US7165175B1 (en) * 2000-09-06 2007-01-16 Widevine Technologies, Inc. Apparatus, system and method for selectively encrypting different portions of data sent over a network
US7242772B1 (en) 2000-09-07 2007-07-10 Eastman Kodak Company Encryption apparatus and method for synchronizing multiple encryption keys with a data stream
AU2001285265A1 (en) 2000-09-12 2002-03-26 Aladdin Knowledge Systems, Ltd. System for managing rights and permitting on-line playback of digital content
JP2002092044A (ja) 2000-09-19 2002-03-29 Olympus Optical Co Ltd 設備管理システム及び方法ならびに設備管理プログラムを記録した記録媒体
US20020172368A1 (en) * 2000-10-26 2002-11-21 General Instrument, Inc. Intial free preview for multimedia multicast content
US7150045B2 (en) * 2000-12-14 2006-12-12 Widevine Technologies, Inc. Method and apparatus for protection of electronic media
JP2004516775A (ja) * 2000-12-22 2004-06-03 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 条件付きアクセス
US7251833B2 (en) 2000-12-29 2007-07-31 International Business Machines Corporation Digital media delivery with local cache and streaming tokens
JP2002297452A (ja) 2001-03-30 2002-10-11 Matsushita Electric Ind Co Ltd 記録再生装置、制御方法、及び不正防止システム
US7111789B2 (en) * 2001-08-31 2006-09-26 Arcot Systems, Inc. Enhancements to multi-party authentication and other protocols
US6865555B2 (en) * 2001-11-21 2005-03-08 Digeo, Inc. System and method for providing conditional access to digital content
US7243226B2 (en) * 2001-12-12 2007-07-10 Valve Corporation Method and system for enabling content security in a distributed system
US7509687B2 (en) * 2002-03-16 2009-03-24 Trustedflow Systems, Inc. Remotely authenticated operation method
US7299292B2 (en) * 2002-03-29 2007-11-20 Widevine Technologies, Inc. Process and streaming server for encrypting a data stream to a virtual smart card client system
US6880149B2 (en) * 2002-04-01 2005-04-12 Pace Anti-Piracy Method for runtime code integrity validation using code block checksums
US7346780B2 (en) * 2002-04-03 2008-03-18 Microsoft Corporation Integrity ordainment and ascertainment of computer-executable instructions
US7124445B2 (en) * 2002-06-21 2006-10-17 Pace Anti-Piracy, Inc. Protecting software from unauthorized use by converting source code modules to byte codes
JP2004133801A (ja) * 2002-10-11 2004-04-30 Toshiba Corp コンテンツ提供システム及びコンテンツ提供方法
US20040083373A1 (en) * 2002-10-28 2004-04-29 Perkins Gregory M. Automatically generated cryptographic functions for renewable tamper resistant security systems
US20040083177A1 (en) * 2002-10-29 2004-04-29 General Instrument Corporation Method and apparatus for pre-encrypting VOD material with a changing cryptographic key
US7287052B2 (en) 2002-11-09 2007-10-23 Microsoft Corporation Challenge and response interaction between client and server computing devices
FR2849230B1 (fr) 2002-12-24 2005-04-22 Francois Bangui Procede et dispositif de verification de l'integrite d'une application logicielle sans cle de chiffrement/dechiffrement
US7366906B2 (en) * 2003-03-19 2008-04-29 Ricoh Company, Ltd. Digital certificate management system, digital certificate management apparatus, digital certificate management method, program and computer readable information recording medium
GB0309161D0 (en) 2003-04-23 2003-05-28 Hewlett Packard Development Co Cryptographic method and apparatus
JP4744106B2 (ja) * 2003-08-06 2011-08-10 パナソニック株式会社 セキュアデバイス、情報処理端末、通信システム及び通信方法
JP4568489B2 (ja) * 2003-09-11 2010-10-27 富士通株式会社 プログラム保護方法、プログラム保護プログラムおよびプログラム保護装置
US8768844B2 (en) * 2004-10-06 2014-07-01 Sony Corporation Method and system for content sharing and authentication between multiple devices
US8887287B2 (en) * 2004-10-27 2014-11-11 Alcatel Lucent Method and apparatus for software integrity protection using timed executable agents

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101924749A (zh) * 2010-01-28 2010-12-22 赵路 实现网络安全浏览的系统和方法
CN110287654A (zh) * 2013-07-23 2019-09-27 爱立信股份有限公司 使用硬件信任根的媒体客户端装置鉴权
CN108064381A (zh) * 2015-03-30 2018-05-22 爱迪德技术有限公司 数据保护
CN108064381B (zh) * 2015-03-30 2021-06-18 爱迪德技术有限公司 用于数据保护的方法
CN109409084A (zh) * 2018-09-21 2019-03-01 中国科学院信息工程研究所 一种检测返回地址被篡改的链式数据存储结构
CN109409084B (zh) * 2018-09-21 2021-06-25 中国科学院信息工程研究所 一种检测返回地址被篡改的链式数据存储结构
CN113596600A (zh) * 2021-08-03 2021-11-02 广州繁星互娱信息科技有限公司 直播嵌入程序的安全管理方法、装置、设备及存储介质

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US20140189358A1 (en) 2014-07-03
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WO2007007112A2 (en) 2007-01-18
KR20080037025A (ko) 2008-04-29
RU2008104050A (ru) 2009-08-20
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CA2615469A1 (en) 2007-01-18
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