AU2001251102A1 - Secure compact disc technology - Google Patents

Secure compact disc technology

Info

Publication number
AU2001251102A1
AU2001251102A1 AU2001251102A AU5110201A AU2001251102A1 AU 2001251102 A1 AU2001251102 A1 AU 2001251102A1 AU 2001251102 A AU2001251102 A AU 2001251102A AU 5110201 A AU5110201 A AU 5110201A AU 2001251102 A1 AU2001251102 A1 AU 2001251102A1
Authority
AU
Australia
Prior art keywords
compact disc
disc technology
secure compact
secure
technology
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.)
Abandoned
Application number
AU2001251102A
Other languages
English (en)
Inventor
Daniel R. Salmonsen
Don Shulsinger
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.)
Oak Technology Inc
Original Assignee
Oak Technology 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 Oak Technology Inc filed Critical Oak Technology Inc
Publication of AU2001251102A1 publication Critical patent/AU2001251102A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • G06T1/0071—Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating watermarks
    • 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
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0064—Image watermarking for copy protection or copy management, e.g. CGMS, copy only once, one-time copy

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AU2001251102A 2000-03-28 2001-03-28 Secure compact disc technology Abandoned AU2001251102A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US53790100A 2000-03-28 2000-03-28
US09537901 2000-03-28
PCT/US2001/010136 WO2001073567A1 (fr) 2000-03-28 2001-03-28 Technique de securisation de cd

Publications (1)

Publication Number Publication Date
AU2001251102A1 true AU2001251102A1 (en) 2001-10-08

Family

ID=24144579

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001251102A Abandoned AU2001251102A1 (en) 2000-03-28 2001-03-28 Secure compact disc technology

Country Status (2)

Country Link
AU (1) AU2001251102A1 (fr)
WO (1) WO2001073567A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7409561B1 (en) * 2004-06-09 2008-08-05 Lsi Corporation Piracy protection for combined hardware/software products
JP2008546128A (ja) * 2005-06-03 2008-12-18 ワーナー ブラザーズ エンターテイメント インコーポレイテッド 全てのオーディオ・ビジュアル光学ディスク形式が透かしに対して適切に選別されるように保証するシステム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802152A (en) * 1986-04-07 1989-01-31 U.S. Philips Corporation Compact disc drive apparatus having an interface for transferring data and commands to and from a host controller
JP3248328B2 (ja) * 1994-01-19 2002-01-21 松下電器産業株式会社 画像処理装置
US5530752A (en) * 1994-02-22 1996-06-25 Convex Computer Corporation Systems and methods for protecting software from unlicensed copying and use
KR0143524B1 (ko) * 1994-02-25 1998-07-15 구자홍 서로 다른 종류의 디스크 재생장치
US5619731A (en) * 1994-09-23 1997-04-08 Ardent Teleproductions, Inc. Interactive music CD and data
JP3746098B2 (ja) * 1996-02-28 2006-02-15 株式会社日立製作所 データの暗号化装置
US6043828A (en) * 1996-03-29 2000-03-28 Cirrus Logic, Inc. Method and apparatus for handling proprietary and non-proprietary formatted compact discs in the same video playback system
US5937159A (en) * 1997-03-28 1999-08-10 Data General Corporation Secure computer system
US6229769B1 (en) * 1997-08-18 2001-05-08 Stmicroelectronics N.V. Methods and apparatus for delayed block release in compact disc systems
US6064764A (en) * 1998-03-30 2000-05-16 Seiko Epson Corporation Fragile watermarks for detecting tampering in images
US6154571A (en) * 1998-06-24 2000-11-28 Nec Research Institute, Inc. Robust digital watermarking
US7051005B1 (en) * 1999-03-27 2006-05-23 Microsoft Corporation Method for obtaining a black box for performing decryption and encryption functions in a digital rights management (DRM) system

Also Published As

Publication number Publication date
WO2001073567A1 (fr) 2001-10-04

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