JP2012248135A - 情報処理装置、および情報処理方法、並びにプログラム - Google Patents

情報処理装置、および情報処理方法、並びにプログラム Download PDF

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Publication number
JP2012248135A
JP2012248135A JP2011121344A JP2011121344A JP2012248135A JP 2012248135 A JP2012248135 A JP 2012248135A JP 2011121344 A JP2011121344 A JP 2011121344A JP 2011121344 A JP2011121344 A JP 2011121344A JP 2012248135 A JP2012248135 A JP 2012248135A
Authority
JP
Japan
Prior art keywords
content
data
information
client
encrypted
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
JP2011121344A
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English (en)
Japanese (ja)
Other versions
JP2012248135A5 (enExample
Inventor
Hiroshi Kuno
浩 久野
Takamichi Hayashi
隆道 林
Yoshiyuki Kobayashi
義行 小林
Katsumi Muramatsu
克美 村松
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP2011121344A priority Critical patent/JP2012248135A/ja
Priority to US13/466,421 priority patent/US8893307B2/en
Priority to CN201210171325.7A priority patent/CN102982254B/zh
Publication of JP2012248135A publication Critical patent/JP2012248135A/ja
Publication of JP2012248135A5 publication Critical patent/JP2012248135A5/ja
Pending legal-status Critical Current

Links

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
    • 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
    • G11B20/00166—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
    • G11B20/00181—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software using a content identifier, e.g. an international standard recording code [ISRC] or a digital object identifier [DOI]
    • 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
    • G11B20/00485—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00507—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein consecutive physical data units of the record carrier are encrypted with separate encryption keys, e.g. the key changes on a cluster or sector basis
    • 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
    • G11B20/00485—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00528—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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein each title is encrypted with a separate encryption key for each title, e.g. title key for movie, song or data file
    • 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
    • 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
    • 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
    • H04N21/2351—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving encryption of additional data
    • 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
    • H04N21/44—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]
    • H04N21/60—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
    • 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 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6581—Reference data, e.g. a movie identifier for ordering a movie or a product identifier in a home shopping application
    • 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
    • H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
    • 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
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
  • Information Transfer Between Computers (AREA)
JP2011121344A 2011-05-31 2011-05-31 情報処理装置、および情報処理方法、並びにプログラム Pending JP2012248135A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011121344A JP2012248135A (ja) 2011-05-31 2011-05-31 情報処理装置、および情報処理方法、並びにプログラム
US13/466,421 US8893307B2 (en) 2011-05-31 2012-05-08 Information processing system and method for providing authorized content
CN201210171325.7A CN102982254B (zh) 2011-05-31 2012-05-29 信息处理系统、信息处理装置、信息处理方法和程序

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011121344A JP2012248135A (ja) 2011-05-31 2011-05-31 情報処理装置、および情報処理方法、並びにプログラム

Publications (2)

Publication Number Publication Date
JP2012248135A true JP2012248135A (ja) 2012-12-13
JP2012248135A5 JP2012248135A5 (enExample) 2014-06-19

Family

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Family Applications (1)

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JP2011121344A Pending JP2012248135A (ja) 2011-05-31 2011-05-31 情報処理装置、および情報処理方法、並びにプログラム

Country Status (3)

Country Link
US (1) US8893307B2 (enExample)
JP (1) JP2012248135A (enExample)
CN (1) CN102982254B (enExample)

Cited By (3)

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JP2014194624A (ja) * 2013-03-28 2014-10-09 Fujitsu Ltd コンテンツ配信装置、コンテンツ配信方法
US9165122B2 (en) 2013-05-10 2015-10-20 Kabushiki Kaisha Toshiba Content reproducing device, content reproducing method, and content reproducing system
JP2016143197A (ja) * 2015-01-30 2016-08-08 株式会社東芝 再生装置、コンテンツ制御方法、及びプログラム

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JP5973808B2 (ja) * 2012-07-03 2016-08-23 フェリカネットワークス株式会社 情報処理装置、端末装置、情報処理システム、情報処理方法およびコンピュータプログラム
TW201521404A (zh) * 2013-11-25 2015-06-01 Chunghwa Telecom Co Ltd 內容服務借用與權利控管之方法與系統
US9325672B2 (en) * 2014-04-25 2016-04-26 Cellco Partnership Digital encryption shredder and document cube rebuilder
JP2018502385A (ja) * 2014-12-08 2018-01-25 アンブラ テクノロジーズ リミテッドＵｍｂｒａ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｌｔｄ． 遠隔ネットワークリージョンからのコンテンツ検索のためのシステム及び方法
JP6005887B1 (ja) * 2016-04-12 2016-10-12 株式会社Ｃｙｇａｍｅｓ プログラム、情報処理装置、情報処理方法及び情報処理システム
CN107452383B (zh) * 2016-05-31 2021-10-26 华为终端有限公司 一种信息处理方法、服务器、终端及信息处理系统
CN108989848B (zh) * 2018-07-26 2020-04-28 网宿科技股份有限公司 一种视频资源文件的获取方法和管理系统
EP4154149B1 (en) * 2020-06-29 2023-10-04 Huawei Technologies Co., Ltd. Data storage server and client devices for securely storing data

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JP2003078520A (ja) * 2001-09-06 2003-03-14 Nippon Telegr & Teleph Corp <Ntt> コンテンツ暗号化方法及び装置と、コンテンツ復号方法及び装置と、コンテンツ配布方法及び装置と、コンテンツ違法コピー検査方法及び装置と、コンテンツ暗号化プログラム及びそのプログラムの記録媒体と、コンテンツ復号プログラム及びそのプログラムの記録媒体と、コンテンツ配布プログラム及びそのプログラムの記録媒体と、コンテンツ違法コピー検査プログラム及びそのプログラムの記録媒体
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Cited By (4)

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JP2014194624A (ja) * 2013-03-28 2014-10-09 Fujitsu Ltd コンテンツ配信装置、コンテンツ配信方法
US9165122B2 (en) 2013-05-10 2015-10-20 Kabushiki Kaisha Toshiba Content reproducing device, content reproducing method, and content reproducing system
JPWO2014181470A1 (ja) * 2013-05-10 2017-02-23 株式会社東芝 コンテンツ再生装置、コンテンツ再生方法及びコンテンツ再生システム
JP2016143197A (ja) * 2015-01-30 2016-08-08 株式会社東芝 再生装置、コンテンツ制御方法、及びプログラム

Also Published As

Publication number Publication date
US8893307B2 (en) 2014-11-18
CN102982254A (zh) 2013-03-20
US20120311318A1 (en) 2012-12-06
CN102982254B (zh) 2017-06-09

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