HK1024086A1 - Method for copy protecting a record carrier and means for detecting access control information. - Google Patents

Method for copy protecting a record carrier and means for detecting access control information.

Info

Publication number
HK1024086A1
HK1024086A1 HK00102854A HK00102854A HK1024086A1 HK 1024086 A1 HK1024086 A1 HK 1024086A1 HK 00102854 A HK00102854 A HK 00102854A HK 00102854 A HK00102854 A HK 00102854A HK 1024086 A1 HK1024086 A1 HK 1024086A1
Authority
HK
Hong Kong
Prior art keywords
control information
access control
record carrier
detecting access
copy protecting
Prior art date
Application number
HK00102854A
Other languages
English (en)
Inventor
Peter A Newman
Original Assignee
Macrovision Europ Ltd
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 Macrovision Europ Ltd filed Critical Macrovision Europ Ltd
Publication of HK1024086A1 publication Critical patent/HK1024086A1/xx

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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
    • G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
    • G11B20/00949—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches said intentional errors occurring due to bad sectors, which are either physically destroyed or which are declared defective in the defect management information
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/80—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in storage media based on magnetic or optical technology, e.g. disks with sectors
    • 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
    • G11B20/00101—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the original record carrier having a larger recording capacity than the potential target medium
    • 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
    • G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the 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
    • G11B20/00166—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
    • 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
    • G11B20/00485—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
    • G11B20/00557—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 further management data is encrypted, e.g. sector headers, TOC or the lead-in or lead-out areas
    • 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
    • G11B20/00659—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a control step which is implemented as an executable file stored on the 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
    • G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
    • G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
    • 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
    • G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
    • G11B20/00963—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are not generated on purpose, e.g. random defect patterns occurring during the normal manufacture
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1866—Error detection or correction; Testing, e.g. of drop-outs by interleaving

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Detection And Correction Of Errors (AREA)
HK00102854A 1997-05-30 2000-05-13 Method for copy protecting a record carrier and means for detecting access control information. HK1024086A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97303706 1997-05-30
PCT/IB1998/000800 WO1998054713A1 (en) 1997-05-30 1998-05-25 Method for copy protecting a record carrier, copy protected record carrier and means for detecting access control information

Publications (1)

Publication Number Publication Date
HK1024086A1 true HK1024086A1 (en) 2000-09-29

Family

ID=8229351

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00102854A HK1024086A1 (en) 1997-05-30 2000-05-13 Method for copy protecting a record carrier and means for detecting access control information.

Country Status (18)

Country Link
US (3) US6353890B1 (es)
EP (3) EP1227482B1 (es)
JP (2) JP3888473B2 (es)
KR (1) KR100526943B1 (es)
CN (3) CN1516155A (es)
AR (1) AR009877A1 (es)
AT (2) ATE302462T1 (es)
AU (1) AU7228298A (es)
BR (1) BR9804931B1 (es)
CA (1) CA2261899C (es)
DE (2) DE69831275T2 (es)
DK (2) DK1227482T3 (es)
ES (2) ES2247261T3 (es)
HK (1) HK1024086A1 (es)
IL (1) IL128257A (es)
SG (1) SG131753A1 (es)
TW (1) TW399200B (es)
WO (1) WO1998054713A1 (es)

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CN1192378C (zh) 2005-03-09
EP1519376B1 (en) 2008-03-05
BR9804931A (pt) 1999-09-08
KR100526943B1 (ko) 2005-11-09
SG131753A1 (en) 2007-05-28
ES2303025T3 (es) 2008-08-01
EP1519376A3 (en) 2007-01-10
EP1227482B1 (en) 2005-08-17
DK1227482T3 (da) 2006-01-02
ATE388470T1 (de) 2008-03-15
CN1606085A (zh) 2005-04-13
US6353890B1 (en) 2002-03-05
JP4183724B2 (ja) 2008-11-19
WO1998054713A1 (en) 1998-12-03
CA2261899A1 (en) 1998-12-03
EP1227482A3 (en) 2002-08-28
IL128257A (en) 2006-10-05
DE69839231D1 (de) 2008-04-17
CN1516155A (zh) 2004-07-28
KR20000029683A (ko) 2000-05-25
AU7228298A (en) 1998-12-30
CN1236468A (zh) 1999-11-24
US20020144123A1 (en) 2002-10-03
EP1519376A2 (en) 2005-03-30
TW399200B (en) 2000-07-21
CN100517482C (zh) 2009-07-22
BR9804931B1 (pt) 2010-03-09
US7765605B2 (en) 2010-07-27
US7076660B2 (en) 2006-07-11
ATE302462T1 (de) 2005-09-15
US20060218645A1 (en) 2006-09-28
DE69831275T2 (de) 2006-06-01
JP2007087581A (ja) 2007-04-05
EP1227482A2 (en) 2002-07-31
IL128257A0 (en) 1999-11-30
EP0916134A1 (en) 1999-05-19
JP2001507849A (ja) 2001-06-12
JP3888473B2 (ja) 2007-03-07
DE69839231T2 (de) 2009-03-12
DE69831275D1 (de) 2005-09-22
DK1519376T3 (da) 2008-06-30
ES2247261T3 (es) 2006-03-01
AR009877A1 (es) 2000-05-03
CA2261899C (en) 2007-11-13

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