CN101140782B - 信息处理器件和信息处理方法 - Google Patents

信息处理器件和信息处理方法

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Publication number
CN101140782B
CN101140782B CN2007101496409A CN200710149640A CN101140782B CN 101140782 B CN101140782 B CN 101140782B CN 2007101496409 A CN2007101496409 A CN 2007101496409A CN 200710149640 A CN200710149640 A CN 200710149640A CN 101140782 B CN101140782 B CN 101140782B
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CN
China
Prior art keywords
data
medium
output
content
file
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.)
Expired - Fee Related
Application number
CN2007101496409A
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English (en)
Chinese (zh)
Other versions
CN101140782A (zh
Inventor
高岛芳和
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 CN101140782A publication Critical patent/CN101140782A/zh
Application granted granted Critical
Publication of CN101140782B publication Critical patent/CN101140782B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • 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
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00115—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers wherein the record carrier stores a unique medium identifier
    • 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
    • G11B20/00217—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
    • G11B20/00246—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 local device, e.g. device key initially stored by the player or by the recorder
    • 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
    • G11B20/00217—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
    • G11B20/00253—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 stored on the record carrier
    • G11B20/00362—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 stored on the record carrier the key being obtained from a media key block [MKB]
    • 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
    • G11B20/00485—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
    • G11B20/00731—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
    • 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
    • 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
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1288—Formatting by padding empty spaces with dummy data, e.g. writing zeroes or random data when de-icing optical discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
  • Television Signal Processing For Recording (AREA)
CN2007101496409A 2006-09-09 2007-09-10 信息处理器件和信息处理方法 Expired - Fee Related CN101140782B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP244907/06 2006-09-09
JP2006244907A JP4979312B2 (ja) 2006-09-09 2006-09-09 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

Publications (2)

Publication Number Publication Date
CN101140782A CN101140782A (zh) 2008-03-12
CN101140782B true CN101140782B (zh) 2010-06-16

Family

ID=39169712

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007101496409A Expired - Fee Related CN101140782B (zh) 2006-09-09 2007-09-10 信息处理器件和信息处理方法

Country Status (3)

Country Link
US (1) US7983416B2 (enExample)
JP (1) JP4979312B2 (enExample)
CN (1) CN101140782B (enExample)

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EP2196939A4 (en) * 2007-10-02 2015-04-29 Panasonic Ip Man Co Ltd COPYRIGHT PROTECTION SYSTEM, PLAYBACK DEVICE AND PLAYBACK PROCESS
US8806659B1 (en) * 2008-05-22 2014-08-12 Rambus Inc. Secure remote content activation and unlocking
JP4683092B2 (ja) * 2008-08-18 2011-05-11 ソニー株式会社 情報処理装置、およびデータ処理方法、並びにプログラム
WO2010041576A1 (ja) * 2008-10-06 2010-04-15 株式会社プランネット・アソシエイツ コンテンツの配信システム
US8819848B2 (en) 2009-11-24 2014-08-26 Comcast Interactive Media, Llc Method for scalable access control decisions
AU2011240674B2 (en) 2010-04-12 2015-04-02 Google Inc. Collaborative cursors in a hosted word processor
WO2011130307A1 (en) 2010-04-12 2011-10-20 Google Inc. Real-time collaboration in a hosted word processor
WO2012054899A2 (en) * 2010-10-21 2012-04-26 Rimage Corporation Secure content distribution
US9336137B2 (en) 2011-09-02 2016-05-10 Google Inc. System and method for performing data management in a collaborative development environment
US8738706B1 (en) 2011-11-16 2014-05-27 Google Inc. Systems and methods for collaborative document editing
US9262420B1 (en) 2012-04-23 2016-02-16 Google Inc. Third-party indexable text
US10956667B2 (en) 2013-01-07 2021-03-23 Google Llc Operational transformations proxy for thin clients
US9462037B2 (en) 2013-01-07 2016-10-04 Google Inc. Dynamically sizing chunks in a partially loaded spreadsheet model
US9311622B2 (en) 2013-01-15 2016-04-12 Google Inc. Resolving mutations in a partially-loaded spreadsheet model
US9461870B2 (en) 2013-05-14 2016-10-04 Google Inc. Systems and methods for providing third-party application specific storage in a cloud-based storage system

Citations (1)

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Publication number Priority date Publication date Assignee Title
CN1258911A (zh) * 1998-11-02 2000-07-05 索尼公司 数字信号处理装置和方法、数字信号记录和重放装置

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JP3073590B2 (ja) * 1992-03-16 2000-08-07 富士通株式会社 電子化データ保護システム、使用許諾者側装置および使用者側装置
US5657398A (en) * 1992-10-28 1997-08-12 Protocol Systems, Inc. High-quality, low-bit-rate method of compressing waveform data
US5388074A (en) * 1992-12-17 1995-02-07 Vlsi Technology, Inc. FIFO memory using single output register
JP3540543B2 (ja) * 1996-05-20 2004-07-07 富士通株式会社 ソフトウェアコピー処理装置、ソフトウェアコピー処理方法およびソフトウェアをコピーするプログラムを記録したコンピュータ読み取り可能な記録媒体
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Also Published As

Publication number Publication date
US20080063194A1 (en) 2008-03-13
US7983416B2 (en) 2011-07-19
CN101140782A (zh) 2008-03-12
JP4979312B2 (ja) 2012-07-18
JP2008065945A (ja) 2008-03-21

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