IL148775A0 - System and method of verifying authorization for communicating protected content - Google Patents

System and method of verifying authorization for communicating protected content

Info

Publication number
IL148775A0
IL148775A0 IL14877500A IL14877500A IL148775A0 IL 148775 A0 IL148775 A0 IL 148775A0 IL 14877500 A IL14877500 A IL 14877500A IL 14877500 A IL14877500 A IL 14877500A IL 148775 A0 IL148775 A0 IL 148775A0
Authority
IL
Israel
Prior art keywords
protected content
verifying authorization
communicating protected
communicating
authorization
Prior art date
Application number
IL14877500A
Other languages
English (en)
Original Assignee
Thomson Licensing Sa
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 Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of IL148775A0 publication Critical patent/IL148775A0/xx

Links

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
    • H04N21/25—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
    • 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
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42684—Client identification by a unique number or address, e.g. serial number, MAC address, socket ID
    • 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]
    • 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
    • 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
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
IL14877500A 1999-10-19 2000-10-19 System and method of verifying authorization for communicating protected content IL148775A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16035599P 1999-10-19 1999-10-19
PCT/US2000/028942 WO2001030083A1 (en) 1999-10-19 2000-10-19 System and method of verifying authorization for communicating protected content

Publications (1)

Publication Number Publication Date
IL148775A0 true IL148775A0 (en) 2002-09-12

Family

ID=22576540

Family Applications (2)

Application Number Title Priority Date Filing Date
IL14877500A IL148775A0 (en) 1999-10-19 2000-10-19 System and method of verifying authorization for communicating protected content
IL148775A IL148775A (en) 1999-10-19 2002-03-20 System and method for checking permission for the transfer of protected content

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL148775A IL148775A (en) 1999-10-19 2002-03-20 System and method for checking permission for the transfer of protected content

Country Status (10)

Country Link
EP (1) EP1222819B1 (xx)
JP (1) JP4841095B2 (xx)
KR (1) KR100695706B1 (xx)
CN (1) CN100409685C (xx)
AU (1) AU1216301A (xx)
DE (1) DE60012351T2 (xx)
ES (1) ES2220558T3 (xx)
IL (2) IL148775A0 (xx)
MX (1) MXPA02003831A (xx)
WO (1) WO2001030083A1 (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100412743C (zh) * 2004-12-17 2008-08-20 摩托罗拉公司 用于数字权限管理的方法和装置
KR20080069327A (ko) * 2007-01-23 2008-07-28 주식회사 알티캐스트 Ｉｐｔｖ에서 콘텐츠 보호유통에 관한 방법
CN101290641B (zh) * 2007-04-16 2010-10-13 华为技术有限公司 触发设备执行操作的方法、设备及***
CN106209742B (zh) * 2015-05-07 2020-08-14 阿里巴巴集团控股有限公司 安全验证方法及***

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5420866A (en) * 1994-03-29 1995-05-30 Scientific-Atlanta, Inc. Methods for providing conditional access information to decoders in a packet-based multiplexed communications system
US6178242B1 (en) * 1997-02-07 2001-01-23 Nds Limited Digital recording protection system
DE69809757T2 (de) * 1997-08-01 2003-07-10 Scientific Atlanta Datenverschlüsselungsgerät für systeme mit bedingtem zugriff
JP3657439B2 (ja) * 1997-10-03 2005-06-08 株式会社日立製作所 同報暗号通信における暗復号化鍵の配送方法
US6223285B1 (en) * 1997-10-24 2001-04-24 Sony Corporation Of Japan Method and system for transferring information using an encryption mode indicator
JP4496440B2 (ja) * 1998-01-12 2010-07-07 ソニー株式会社 暗号化コンテンツ送信装置
JPH11261731A (ja) * 1998-03-13 1999-09-24 Nec Corp 移動通信システム、移動通信システムにおける接続方法及びこれが書き込まれた記憶媒体
JP4850341B2 (ja) * 1999-03-15 2012-01-11 トムソン ライセンシング デジタル・ホーム・ネットワーク用のグローバル・コピー保護システム
DE60012356T2 (de) * 1999-10-06 2005-07-14 Thomson Licensing S.A. Verfahren für den Zugriff auf nach unterschiedlichen Verfahren für bedingten Zugriff geschützten übertragenen Audio-/Video-Daten mittels derselben Vorrichtung
US8813113B1 (en) * 1999-11-02 2014-08-19 Thomson Licensing Method and system for adding a conditional access system

Also Published As

Publication number Publication date
CN100409685C (zh) 2008-08-06
MXPA02003831A (es) 2003-07-14
EP1222819A1 (en) 2002-07-17
KR20020041826A (ko) 2002-06-03
JP4841095B2 (ja) 2011-12-21
AU1216301A (en) 2001-04-30
KR100695706B1 (ko) 2007-03-19
EP1222819B1 (en) 2004-07-21
CN1379955A (zh) 2002-11-13
JP2003512786A (ja) 2003-04-02
DE60012351T2 (de) 2005-08-04
DE60012351D1 (de) 2004-08-26
ES2220558T3 (es) 2004-12-16
WO2001030083A1 (en) 2001-04-26
IL148775A (en) 2007-07-24

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