CN102543131A - 信息处理装置、信息处理方法和程序 - Google Patents

信息处理装置、信息处理方法和程序 Download PDF

Info

Publication number
CN102543131A
CN102543131A CN2011104294392A CN201110429439A CN102543131A CN 102543131 A CN102543131 A CN 102543131A CN 2011104294392 A CN2011104294392 A CN 2011104294392A CN 201110429439 A CN201110429439 A CN 201110429439A CN 102543131 A CN102543131 A CN 102543131A
Authority
CN
China
Prior art keywords
key
replacement
data
area
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
CN2011104294392A
Other languages
English (en)
Chinese (zh)
Inventor
久野浩
林隆道
海老原宗毅
上田健二朗
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
Publication of CN102543131A publication Critical patent/CN102543131A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • G06—COMPUTING OR CALCULATING; 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]
    • G06F21/107—License processing; Key processing
    • 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
    • G11B20/0021—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
    • G11B20/0042—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 copy protection scheme being related to a specific access protection standard
    • G11B20/00427—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 copy protection scheme being related to a specific access protection standard advanced access content system [AACS]
    • 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
    • G11B20/00478—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 wherein contents are decrypted and re-encrypted with a different key when being copied from/to 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
    • G11B20/0021—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
    • G11B20/005—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 only some specific parts of the content are encrypted, e.g. encryption limited to I-frames
    • 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
    • G11B20/00855—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
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • H04L9/16—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms the keys or algorithms being changed during operation
    • 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
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4135—Peripherals receiving signals from specially adapted client devices external recorder
    • 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
    • H04N21/4184—External card to be used in combination with the client device, e.g. for conditional access providing storage capabilities, e.g. memory stick
    • 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
    • H04N21/4408—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 encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • G11B2220/61—Solid state media wherein solid state memory is used for storing A/V content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
CN2011104294392A 2010-12-20 2011-12-20 信息处理装置、信息处理方法和程序 Pending CN102543131A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010282607A JP5644467B2 (ja) 2010-12-20 2010-12-20 情報処理装置、および情報処理方法、並びにプログラム
JP2010-282607 2010-12-20

Publications (1)

Publication Number Publication Date
CN102543131A true CN102543131A (zh) 2012-07-04

Family

ID=45098944

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011104294392A Pending CN102543131A (zh) 2010-12-20 2011-12-20 信息处理装置、信息处理方法和程序

Country Status (4)

Country Link
US (1) US8634555B2 (enExample)
EP (1) EP2466583A1 (enExample)
JP (1) JP5644467B2 (enExample)
CN (1) CN102543131A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113647052A (zh) * 2019-04-12 2021-11-12 飞力凯网路股份有限公司 信息处理终端、信息处理设备、信息处理方法、程序和信息处理系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104765999B (zh) * 2014-01-07 2020-06-30 腾讯科技（深圳）有限公司 一种对用户资源信息进行处理的方法、终端及服务器
CN110446105B (zh) * 2019-09-20 2021-11-16 网易（杭州）网络有限公司 视频加密、解密的方法及装置
US11470055B2 (en) * 2020-06-26 2022-10-11 Bank Of America Corporation Data transmission with encryption of protected data

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5761306A (en) * 1996-02-22 1998-06-02 Visa International Service Association Key replacement in a public key cryptosystem
CN1833400A (zh) * 2003-08-05 2006-09-13 松下电器产业株式会社 著作权保护系统
US20090022318A1 (en) * 2007-07-20 2009-01-22 Akihiro Kasahara Content data distribution terminal and content data distribution system

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5878135A (en) * 1996-11-27 1999-03-02 Thomson Consumer Electronics, Inc. Decoding system for processing encrypted broadcast, cable or satellite video data
JP4206529B2 (ja) * 1998-09-17 2009-01-14 ソニー株式会社 コンテンツ管理方法及びコンテンツ記憶システム
US6289455B1 (en) * 1999-09-02 2001-09-11 Crypotography Research, Inc. Method and apparatus for preventing piracy of digital content
EP1128598A4 (en) * 1999-09-07 2007-06-20 Sony Corp CONTENT MANAGEMENT SYSTEM, DEVICE, METHOD AND PROGRAM MEMORY
JP3868218B2 (ja) * 2001-02-15 2007-01-17 日本電信電話株式会社 アクセス制限付コンテンツ表示方法およびその装置
JP4224262B2 (ja) * 2001-07-09 2009-02-12 パナソニック株式会社 デジタル情報保護システム、記録媒体装置、送信装置及び再生装置
US7167560B2 (en) * 2002-08-08 2007-01-23 Matsushita Electric Industrial Co., Ltd. Partial encryption of stream-formatted media
US7607024B2 (en) 2003-08-01 2009-10-20 Koninklijke Phillips Electronics N.V. Record carrier comprising encryption indication information
JP2005165738A (ja) * 2003-12-03 2005-06-23 Fusionsys:Kk 電子コンテンツ管理システム、電子コンテンツ管理方法、及びそのプログラム
JP4701175B2 (ja) * 2004-06-30 2011-06-15 パナソニック株式会社 記録媒体並びに記録媒体に情報を記録する記録装置及び記録方法
JP4774734B2 (ja) * 2004-12-14 2011-09-14 ソニー株式会社 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム
US7957535B2 (en) * 2005-01-18 2011-06-07 Panasonic Corporation Data storing method, data playback method, data recording device, data playback device, and recording medium
US8832458B2 (en) * 2005-03-22 2014-09-09 Seagate Technology Llc Data transcription in a data storage device
US8042188B2 (en) * 2005-07-15 2011-10-18 Sony Corporation Information processing apparatus, information recording medium manufacturing apparatus, information recording medium, method and computer program
JP4882653B2 (ja) 2006-10-06 2012-02-22 ソニー株式会社 情報処理装置、および情報処理方法、並びにコンピュータ・プログラム
WO2008084425A2 (en) * 2007-01-11 2008-07-17 Nds Limited Processing video content
US8761402B2 (en) * 2007-09-28 2014-06-24 Sandisk Technologies Inc. System and methods for digital content distribution
JP2010119034A (ja) * 2008-11-14 2010-05-27 Sony Corp 受信装置、受信方法及びプログラム
JP2010239436A (ja) * 2009-03-31 2010-10-21 Toshiba Corp 情報再生装置及び情報再生方法
JP2010282607A (ja) 2009-05-01 2010-12-16 Ricoh Co Ltd 通信装置、通信装置の制御方法、プログラムおよび記憶媒体
US20100310076A1 (en) 2009-06-04 2010-12-09 Ron Barzilai Method for Performing Double Domain Encryption in a Memory Device
JPWO2011111370A1 (ja) * 2010-03-11 2013-06-27 パナソニック株式会社 記録システム、再生システム、鍵配信サーバ、記録装置、記録媒体装置、再生装置、記録方法、及び、再生方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5761306A (en) * 1996-02-22 1998-06-02 Visa International Service Association Key replacement in a public key cryptosystem
CN1833400A (zh) * 2003-08-05 2006-09-13 松下电器产业株式会社 著作权保护系统
US20090022318A1 (en) * 2007-07-20 2009-01-22 Akihiro Kasahara Content data distribution terminal and content data distribution system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113647052A (zh) * 2019-04-12 2021-11-12 飞力凯网路股份有限公司 信息处理终端、信息处理设备、信息处理方法、程序和信息处理系统
US12095902B2 (en) 2019-04-12 2024-09-17 Felica Networks, Inc. Information processing terminal, information processing device, information processing method, program, and information processing system

Also Published As

Publication number Publication date
JP2012133426A (ja) 2012-07-12
US20120159196A1 (en) 2012-06-21
JP5644467B2 (ja) 2014-12-24
EP2466583A1 (en) 2012-06-20
US8634555B2 (en) 2014-01-21

Similar Documents

Publication Publication Date Title
JP5869580B2 (ja) 端末装置、検証装置、鍵配信装置、コンテンツ再生方法、鍵配信方法及びコンピュータプログラム
US9811670B2 (en) Information processing device, information processing method, and program
US9037863B2 (en) Terminal device, server device, content recording control system, recording method, and recording permission control method
JPWO2004109972A1 (ja) ライセンス受信用ユーザ端末
US20080235810A1 (en) Method of Authorizing Access to Content
CN102841862A (zh) 信息处理设备、信息处理方法和程序
CN103562924A (zh) 信息处理设备、信息处理方法以及程序
US20050089164A1 (en) System and method for the production and distribution of copy-protected and use-protected electronic audio and visual media and the data contents thereof
CN103988463A (zh) 信息处理装置、信息存储装置、信息处理系统和信息处理方法以及程序
JP2008527874A (ja) 暗号化システム、方法およびコンピュータ・プログラム（暗号の結合状態情報をセキュアにかつ使い勝手よく処理するシステムおよび方法）
JP5935883B2 (ja) 情報処理装置、情報処理システム、および情報処理方法、並びにプログラム
JP5981923B2 (ja) 記録媒体装置、端末装置、配信装置、制御方法、プログラム、及びプログラムの記録媒体
US8634555B2 (en) Information processing apparatus, information processing method, and program
US9106882B2 (en) Terminal device, content recording system, title key recording method, and computer program
CN102396179B (zh) 内容数据再现系统、以及记录装置
US8819406B2 (en) Information processing device, information processing method, and program
JP2013150179A (ja) 情報処理装置、情報記憶装置、情報処理システム、および情報処理方法、並びにプログラム
JP2013141171A (ja) 情報処理装置、および情報処理方法、並びにプログラム
JP2013146014A (ja) 情報処理装置、情報記憶装置、情報処理システム、および情報処理方法、並びにプログラム
JP2008181342A (ja) デジタルデータ記録装置及びデジタルデータ再生装置並びに記録媒体

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120704