WO2005103907A8 - 記録装置、記録媒体及びコンテンツ保護システム - Google Patents

記録装置、記録媒体及びコンテンツ保護システム

Info

Publication number
WO2005103907A8
WO2005103907A8 PCT/JP2005/005127 JP2005005127W WO2005103907A8 WO 2005103907 A8 WO2005103907 A8 WO 2005103907A8 JP 2005005127 W JP2005005127 W JP 2005005127W WO 2005103907 A8 WO2005103907 A8 WO 2005103907A8
Authority
WO
WIPO (PCT)
Prior art keywords
content
recording
recording medium
key
image conversion
Prior art date
Application number
PCT/JP2005/005127
Other languages
English (en)
French (fr)
Other versions
WO2005103907A1 (ja
Inventor
Shunji Harada
Yoshikatsu Ito
Toshihisa Nakano
Kaoru Yokota
Motoji Ohmori
Jun Takahashi
Original Assignee
Matsushita Electric Ind Co Ltd
Shunji Harada
Yoshikatsu Ito
Toshihisa Nakano
Kaoru Yokota
Motoji Ohmori
Jun Takahashi
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 Matsushita Electric Ind Co Ltd, Shunji Harada, Yoshikatsu Ito, Toshihisa Nakano, Kaoru Yokota, Motoji Ohmori, Jun Takahashi filed Critical Matsushita Electric Ind Co Ltd
Priority to EP05727071A priority Critical patent/EP1764696A4/en
Priority to JP2006512486A priority patent/JP4719145B2/ja
Priority to US11/578,571 priority patent/US7889863B2/en
Publication of WO2005103907A1 publication Critical patent/WO2005103907A1/ja
Publication of WO2005103907A8 publication Critical patent/WO2005103907A8/ja

Links

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
    • G11B20/10—Digital recording or reproducing
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • 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
    • G11B20/0021—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
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • 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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
    • 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
    • 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
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91321—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy protection control signal, e.g. a record inhibit signal
    • 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
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
PCT/JP2005/005127 2004-04-21 2005-03-22 記録装置、記録媒体及びコンテンツ保護システム WO2005103907A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP05727071A EP1764696A4 (en) 2004-04-21 2005-03-22 RECORDING DEVICE, RECORDING MEDIUM AND CONTENT PROTECTION SYSTEM
JP2006512486A JP4719145B2 (ja) 2004-04-21 2005-03-22 記録装置、記録媒体及びコンテンツ保護システム
US11/578,571 US7889863B2 (en) 2004-04-21 2005-03-22 Recording device, recording medium, and content protection system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004125196 2004-04-21
JP2004-125196 2004-04-21

Publications (2)

Publication Number Publication Date
WO2005103907A1 WO2005103907A1 (ja) 2005-11-03
WO2005103907A8 true WO2005103907A8 (ja) 2005-12-22

Family

ID=35197159

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/005127 WO2005103907A1 (ja) 2004-04-21 2005-03-22 記録装置、記録媒体及びコンテンツ保護システム

Country Status (6)

Country Link
US (1) US7889863B2 (ja)
EP (1) EP1764696A4 (ja)
JP (1) JP4719145B2 (ja)
KR (1) KR20070007938A (ja)
CN (1) CN100495365C (ja)
WO (1) WO2005103907A1 (ja)

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BRPI0619052A2 (pt) 2005-11-28 2011-09-20 Hoffmann La Roche compostos, processo para a sua preparação, composições farmacêuticas que os compreendem, método para o tratamento terapêutico e/ou profilático de enfermidades que são moduladas por inibidores de diacilglicerol aciltransferase, e seu uso
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KR101240053B1 (ko) * 2005-12-16 2013-03-06 엘지전자 주식회사 멀티 스트림 컨텐츠 복제 방지 방법 및 시스템
CN101199013A (zh) * 2005-12-28 2008-06-11 松下电器产业株式会社 内容数据记录再现装置
JP2007288747A (ja) * 2006-04-20 2007-11-01 Ricoh Co Ltd 画像処理システムおよび画像処理システムの制御方法および画像形成装置および画像再生装置
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US8452988B2 (en) * 2006-07-24 2013-05-28 Michael Sujue Wang Secure data storage for protecting digital content
JP2008041141A (ja) * 2006-08-02 2008-02-21 Sharp Corp 映像記録装置
EP1981271A1 (en) * 2007-04-11 2008-10-15 Vodafone Holding GmbH Methods for protecting an additional content, which is insertable into at least one digital content
JP5106432B2 (ja) * 2009-01-23 2012-12-26 株式会社東芝 画像処理装置、方法、及びプログラム
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JP5012945B2 (ja) * 2010-04-12 2012-08-29 富士通株式会社 コンテンツ管理プログラム、方法及び装置
JP5539024B2 (ja) * 2010-05-27 2014-07-02 キヤノン株式会社 データ暗号化装置およびその制御方法
WO2013002821A1 (en) * 2011-06-30 2013-01-03 Intel Corporation System and method for controlling access to protected content
KR20130013199A (ko) 2011-07-27 2013-02-06 한미약품 주식회사 신규 피리미딘 유도체 및 이를 활성성분으로 포함하는 약학 조성물
US9510136B2 (en) 2014-10-31 2016-11-29 Aruba Networks, Inc. Access control in bluetooth® low energy devices
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Also Published As

Publication number Publication date
EP1764696A4 (en) 2011-08-10
JPWO2005103907A1 (ja) 2007-08-30
JP4719145B2 (ja) 2011-07-06
US20070258587A1 (en) 2007-11-08
WO2005103907A1 (ja) 2005-11-03
EP1764696A1 (en) 2007-03-21
US7889863B2 (en) 2011-02-15
CN100495365C (zh) 2009-06-03
CN1973270A (zh) 2007-05-30
KR20070007938A (ko) 2007-01-16

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