DK0954774T3 - Fremgangsmåde og apparat til kryptering og til dekryptering af data anbragt i en datasektor - Google Patents

Fremgangsmåde og apparat til kryptering og til dekryptering af data anbragt i en datasektor

Info

Publication number
DK0954774T3
DK0954774T3 DK98904074T DK98904074T DK0954774T3 DK 0954774 T3 DK0954774 T3 DK 0954774T3 DK 98904074 T DK98904074 T DK 98904074T DK 98904074 T DK98904074 T DK 98904074T DK 0954774 T3 DK0954774 T3 DK 0954774T3
Authority
DK
Denmark
Prior art keywords
data
dvd
disc
rom drive
dvd rom
Prior art date
Application number
DK98904074T
Other languages
English (en)
Inventor
Lauren Ann Christopher
Max Artigalas
Friedrich Rominger
Juergen Vogel
Alexander Kravtchenko
Original Assignee
Digital Video Express Lp
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 Digital Video Express Lp filed Critical Digital Video Express Lp
Application granted granted Critical
Publication of DK0954774T3 publication Critical patent/DK0954774T3/da

Links

Classifications

    • 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]
    • 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
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Technology Law (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
  • Error Detection And Correction (AREA)
DK98904074T 1997-01-24 1998-01-15 Fremgangsmåde og apparat til kryptering og til dekryptering af data anbragt i en datasektor DK0954774T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97101125A EP0855638A1 (en) 1997-01-24 1997-01-24 Method and apparatus for encrypting and for decrypting data arranged in a data sector
PCT/EP1998/000203 WO1998033105A1 (en) 1997-01-24 1998-01-15 Method and apparatus for encrypting and for decrypting data arranged in a data sector

Publications (1)

Publication Number Publication Date
DK0954774T3 true DK0954774T3 (da) 2002-10-14

Family

ID=8226404

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98904074T DK0954774T3 (da) 1997-01-24 1998-01-15 Fremgangsmåde og apparat til kryptering og til dekryptering af data anbragt i en datasektor

Country Status (7)

Country Link
US (1) US6912661B1 (da)
EP (2) EP0855638A1 (da)
AT (1) ATE219583T1 (da)
AU (1) AU6209998A (da)
DE (1) DE69806124T2 (da)
DK (1) DK0954774T3 (da)
WO (1) WO1998033105A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7724919B2 (en) 1994-10-21 2010-05-25 Digimarc Corporation Methods and systems for steganographic processing
WO2002025415A2 (en) 2000-09-22 2002-03-28 Edc Systems, Inc. Systems and methods for preventing unauthorized use of digital content
US7237123B2 (en) 2000-09-22 2007-06-26 Ecd Systems, Inc. Systems and methods for preventing unauthorized use of digital content
US7089425B2 (en) * 2003-03-18 2006-08-08 Ci4 Technologies, Inc. Remote access authorization of local content

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0581774A (ja) * 1991-09-20 1993-04-02 Olympus Optical Co Ltd 情報記録再生装置
EP0671738B1 (en) * 1993-09-29 2001-07-11 Sony Corporation Method and device for reproducing data
EP2157574B1 (en) * 1994-11-17 2011-02-09 Panasonic Corporation Optical disk and a method for reproducing data from such an optical disk
US5675645A (en) * 1995-04-18 1997-10-07 Ricoh Company, Ltd. Method and apparatus for securing executable programs against copying

Also Published As

Publication number Publication date
EP0954774B1 (en) 2002-06-19
AU6209998A (en) 1998-08-18
WO1998033105A1 (en) 1998-07-30
ATE219583T1 (de) 2002-07-15
US6912661B1 (en) 2005-06-28
DE69806124T2 (de) 2003-02-13
EP0855638A1 (en) 1998-07-29
DE69806124D1 (de) 2002-07-25
EP0954774A1 (en) 1999-11-10

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