AU2004232280B2 - Method for managing copy protection information of recording medium - Google Patents

Method for managing copy protection information of recording medium Download PDF

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Publication number
AU2004232280B2
AU2004232280B2 AU2004232280A AU2004232280A AU2004232280B2 AU 2004232280 B2 AU2004232280 B2 AU 2004232280B2 AU 2004232280 A AU2004232280 A AU 2004232280A AU 2004232280 A AU2004232280 A AU 2004232280A AU 2004232280 B2 AU2004232280 B2 AU 2004232280B2
Authority
AU
Australia
Prior art keywords
drive
recording medium
copy protection
recorded
protection information
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.)
Ceased
Application number
AU2004232280A
Other languages
English (en)
Other versions
AU2004232280A1 (en
Inventor
Byung Jin Kim
Hyung Sun Kim
Alexandre Stechkine
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of AU2004232280A1 publication Critical patent/AU2004232280A1/en
Application granted granted Critical
Publication of AU2004232280B2 publication Critical patent/AU2004232280B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • 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]
    • G06F21/101—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities
    • G06F21/1011—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities to devices
    • 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
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
    • G11B20/00195—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier using a device identifier associated with the player or recorder, e.g. serial numbers of playback apparatuses or MAC addresses
    • 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
    • G11B20/00369—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 wherein a first key, which is usually stored on a hidden channel, e.g. in the lead-in of a BD-R, unlocks a key locker containing a second
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks
    • G11B7/24082—Meandering

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Storage Device Security (AREA)
AU2004232280A 2003-04-24 2004-04-24 Method for managing copy protection information of recording medium Ceased AU2004232280B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2003-0026150 2003-04-24
KR1020030026150A KR100974449B1 (ko) 2003-04-24 2003-04-24 광디스크의 복사 방지 정보 관리방법
PCT/KR2004/000953 WO2004095439A1 (en) 2003-04-24 2004-04-24 Method for managing copy protection information of recording medium

Publications (2)

Publication Number Publication Date
AU2004232280A1 AU2004232280A1 (en) 2004-11-04
AU2004232280B2 true AU2004232280B2 (en) 2009-08-20

Family

ID=36143555

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2004232280A Ceased AU2004232280B2 (en) 2003-04-24 2004-04-24 Method for managing copy protection information of recording medium

Country Status (12)

Country Link
US (2) US20040213113A1 (https=)
EP (1) EP1616325A4 (https=)
JP (1) JP2006524408A (https=)
KR (1) KR100974449B1 (https=)
CN (1) CN100382161C (https=)
AU (1) AU2004232280B2 (https=)
BR (1) BRPI0409692A (https=)
CA (1) CA2523143A1 (https=)
MX (1) MXPA05011372A (https=)
RU (1) RU2361292C2 (https=)
TW (1) TW200501069A (https=)
WO (1) WO2004095439A1 (https=)

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KR100952949B1 (ko) 2003-01-24 2010-04-15 엘지전자 주식회사 고밀도 광디스크의 복사 방지 정보 관리방법
WO2006024996A2 (en) * 2004-08-31 2006-03-09 Koninklijke Philips Electronics N.V. Accessing pre-recorded content on a record carrier
US7746746B2 (en) 2004-11-16 2010-06-29 Hewlett-Packard Development Company, L.P. Optical media with control data in wobble
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EP1616325A1 (en) 2006-01-18
RU2361292C2 (ru) 2009-07-10
TW200501069A (en) 2005-01-01
RU2005132652A (ru) 2007-05-27
CN1777935A (zh) 2006-05-24
CA2523143A1 (en) 2004-11-04
EP1616325A4 (en) 2010-02-17
CN100382161C (zh) 2008-04-16
KR20040092650A (ko) 2004-11-04
AU2004232280A1 (en) 2004-11-04
MXPA05011372A (es) 2005-12-15
BRPI0409692A (pt) 2006-04-18
WO2004095439A1 (en) 2004-11-04
JP2006524408A (ja) 2006-10-26
US20040213113A1 (en) 2004-10-28
US20080056493A1 (en) 2008-03-06
KR100974449B1 (ko) 2010-08-10

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