DE69412196D1 - Verfahren zur Verwendung von Mediuminhomogenitäten zur Minimierung unbefugter Vervielfältigung digitaler Daten - Google Patents

Verfahren zur Verwendung von Mediuminhomogenitäten zur Minimierung unbefugter Vervielfältigung digitaler Daten

Info

Publication number
DE69412196D1
DE69412196D1 DE69412196T DE69412196T DE69412196D1 DE 69412196 D1 DE69412196 D1 DE 69412196D1 DE 69412196 T DE69412196 T DE 69412196T DE 69412196 T DE69412196 T DE 69412196T DE 69412196 D1 DE69412196 D1 DE 69412196D1
Authority
DE
Germany
Prior art keywords
digital data
unauthorized duplication
minimize unauthorized
inhomogeneities
medium
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.)
Expired - Fee Related
Application number
DE69412196T
Other languages
English (en)
Other versions
DE69412196T2 (de
Inventor
Desai Narasimhalu Arcot
Weiguo Wang
Mohan Shankara Kankanhalli
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.)
Kent Ridge Digital Labs
Original Assignee
National University of Singapore
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 National University of Singapore filed Critical National University of Singapore
Publication of DE69412196D1 publication Critical patent/DE69412196D1/de
Application granted granted Critical
Publication of DE69412196T2 publication Critical patent/DE69412196T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • G11B20/00123—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
    • G11B20/00188—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
    • 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
    • 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
    • G11B20/00326—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 the key being embossed 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
    • G11B20/00963—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
    • G06—COMPUTING; CALCULATING OR 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
    • 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
    • G11B20/1816—Testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (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)
DE69412196T 1993-09-13 1994-09-12 Verfahren zur Verwendung von Mediuminhomogenitäten zur Minimierung unbefugter Vervielfältigung digitaler Daten Expired - Fee Related DE69412196T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/120,969 US5412718A (en) 1993-09-13 1993-09-13 Method for utilizing medium nonuniformities to minimize unauthorized duplication of digital information

Publications (2)

Publication Number Publication Date
DE69412196D1 true DE69412196D1 (de) 1998-09-10
DE69412196T2 DE69412196T2 (de) 1999-04-08

Family

ID=22393608

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69412196T Expired - Fee Related DE69412196T2 (de) 1993-09-13 1994-09-12 Verfahren zur Verwendung von Mediuminhomogenitäten zur Minimierung unbefugter Vervielfältigung digitaler Daten

Country Status (4)

Country Link
US (1) US5412718A (de)
EP (1) EP0644474B1 (de)
DE (1) DE69412196T2 (de)
SG (1) SG46304A1 (de)

Families Citing this family (125)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5748763A (en) 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US5822436A (en) 1996-04-25 1998-10-13 Digimarc Corporation Photographic products and methods employing embedded information
US5768426A (en) 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US5513260A (en) * 1994-06-29 1996-04-30 Macrovision Corporation Method and apparatus for copy protection for various recording media
US5659613A (en) * 1994-06-29 1997-08-19 Macrovision Corporation Method and apparatus for copy protection for various recording media using a video finger print
JPH0877263A (ja) * 1994-09-09 1996-03-22 Fujitsu Ltd ソフトウェア処理装置
US5615061A (en) * 1994-09-29 1997-03-25 Singh; Jitendra K. Method of preventng software piracy by uniquely identifying the specific magnetic storage device the software is stored on
US7362775B1 (en) 1996-07-02 2008-04-22 Wistaria Trading, Inc. Exchange mechanisms for digital information packages with bandwidth securitization, multichannel digital watermarks, and key management
US7007166B1 (en) 1994-12-28 2006-02-28 Wistaria Trading, Inc. Method and system for digital watermarking
US5745569A (en) * 1996-01-17 1998-04-28 The Dice Company Method for stega-cipher protection of computer code
AU686494B2 (en) * 1995-02-08 1998-02-05 Sega Enterprises, Ltd. Information processor having security check function
JPH08287603A (ja) * 1995-04-13 1996-11-01 Pioneer Electron Corp 情報記録装置及び情報再生装置
US5613004A (en) * 1995-06-07 1997-03-18 The Dice Company Steganographic method and device
JPH08335182A (ja) * 1995-06-07 1996-12-17 Fujitsu Ltd ファイル保護システム及びそのファイル保護システムを用いたソフトウエア利用システム及びそのソフトウエア利用システムに用いられる記録媒体
US6000030A (en) * 1996-06-20 1999-12-07 Emc Corporation Software fingerprinting and branding
DE69636823T2 (de) 1995-06-30 2007-10-18 Sony Corp. Datenaufzeichnungsverfahren, Datenwiedergabeverfahren, und Datenaufzeichnungs-/wiedergabeeinrichtung und Aufzeichnungsmedium
US5703950A (en) * 1995-06-30 1997-12-30 Intermec Corporation Method and apparatus for controlling country specific frequency allocation
US5757915A (en) * 1995-08-25 1998-05-26 Intel Corporation Parameterized hash functions for access control
US5689561A (en) * 1995-10-06 1997-11-18 Pace; Michael Computer-based trading card system and method
US6061656A (en) * 1995-10-06 2000-05-09 Pace; Michael Computer-based trading card system and method
KR100254029B1 (ko) * 1995-10-09 2000-04-15 모리시타 요이찌 데이터 전송장치 및 데이터전송방법
US5917910A (en) * 1995-10-16 1999-06-29 Sony Corporation Encrypting method and apparatus, recording method, decrypting method and apparatus, and recording medium
US6205249B1 (en) * 1998-04-02 2001-03-20 Scott A. Moskowitz Multiple transform utilization and applications for secure digital watermarking
US7664263B2 (en) 1998-03-24 2010-02-16 Moskowitz Scott A Method for combining transfer functions with predetermined key creation
US5822432A (en) * 1996-01-17 1998-10-13 The Dice Company Method for human-assisted random key generation and application for digital watermark system
TW346571B (en) * 1996-02-06 1998-12-01 Matsushita Electric Ind Co Ltd Data reception apparatus, data transmission apparatus, information processing system, data reception method
US5752152A (en) * 1996-02-08 1998-05-12 Eastman Kodak Company Copy restrictive system
US5919730A (en) * 1996-02-08 1999-07-06 Eastman Kodak Company Copy restrictive documents
US5822660A (en) * 1996-02-08 1998-10-13 Eastman Kodak Company Copyright protection in color thermal prints
US5770846A (en) * 1996-02-15 1998-06-23 Mos; Robert Method and apparatus for securing and authenticating encoded data and documents containing such data
US7171560B2 (en) * 1998-06-22 2007-01-30 Semtek Solutions, Inc. Method and apparatus for securing and authenticating encoded data and documents containing such data
AU755641B2 (en) * 1996-02-15 2002-12-19 Robert J. Mos Method and apparatus for securing and authenticating encoded data and documents containing such data
US7543151B2 (en) 1996-02-15 2009-06-02 Semtek Innovative Solutions Corporation Method and apparatus for securing and authenticating encoded data and documents containing such data
SG67354A1 (en) * 1996-06-27 1999-09-21 Inst Of Systems Science Nation Computationally efficient method for trusted and dynamic digital objects dissemination
US7159116B2 (en) 1999-12-07 2007-01-02 Blue Spike, Inc. Systems, methods and devices for trusted transactions
US7177429B2 (en) 2000-12-07 2007-02-13 Blue Spike, Inc. System and methods for permitting open access to data objects and for securing data within the data objects
US5889868A (en) * 1996-07-02 1999-03-30 The Dice Company Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
US6078664A (en) * 1996-12-20 2000-06-20 Moskowitz; Scott A. Z-transform implementation of digital watermarks
US7346472B1 (en) 2000-09-07 2008-03-18 Blue Spike, Inc. Method and device for monitoring and analyzing signals
US7095874B2 (en) 1996-07-02 2006-08-22 Wistaria Trading, Inc. Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
US7107451B2 (en) * 1996-07-02 2006-09-12 Wistaria Trading, Inc. Optimization methods for the insertion, protection, and detection of digital watermarks in digital data
US7457962B2 (en) 1996-07-02 2008-11-25 Wistaria Trading, Inc Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
US6052780A (en) * 1996-09-12 2000-04-18 Open Security Solutions, Llc Computer system and process for accessing an encrypted and self-decrypting digital information product while restricting access to decrypted digital information
US6011772A (en) 1996-09-16 2000-01-04 Spectradisc Corporation Machine-readable optical disc with reading-inhibit agent
JP3440763B2 (ja) * 1996-10-25 2003-08-25 富士ゼロックス株式会社 暗号化装置、復号装置、機密データ処理装置、及び情報処理装置
WO1998029869A1 (en) * 1996-12-17 1998-07-09 Leske Lawrence A Access to information using protectable authorization messages
US7730317B2 (en) 1996-12-20 2010-06-01 Wistaria Trading, Inc. Linear predictive coding implementation of digital watermarks
DK2997A (da) * 1997-01-09 1997-01-14 Hans Jessen Fremgangsmåde til forhindring af uautoriseret brug af EDB-program
EP0902946B1 (de) * 1997-01-27 2006-05-24 Koninklijke Philips Electronics N.V. System zum kopierschutz von aufgezeichneten signalen
US5772250A (en) * 1997-04-11 1998-06-30 Eastman Kodak Company Copy restrictive color-reversal documents
US5864742A (en) * 1997-04-11 1999-01-26 Eastman Kodak Company Copy restrictive system using microdots to restrict copying of color-reversal documents
US6001516A (en) * 1997-06-12 1999-12-14 Eastman Kodak Company Copy restrictive color-negative photographic print media
US6175924B1 (en) * 1997-06-20 2001-01-16 International Business Machines Corp. Method and apparatus for protecting application data in secure storage areas
US6011857A (en) * 1997-08-07 2000-01-04 Eastman Kodak Company Detecting copy restrictive documents
ES2155230T3 (es) * 1997-08-28 2001-05-01 Sony Dadc Austria Ag Sistema para gestionar el copiado de un disco optico.
NL1007123C2 (nl) * 1997-09-26 1999-03-29 Od & Me Bv Registratiedragers, werkwijze voor het controleren van dergelijke registratiedragers, werkwijzen voor het vervaardigen van dergelijke registratiedragers alsmede inrichting geschikt voor het uitvoeren van dergelijke werkwijzen.
US6684199B1 (en) 1998-05-20 2004-01-27 Recording Industry Association Of America Method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs, and system and data media for same
WO1999060748A1 (en) * 1998-05-20 1999-11-25 Recording Industry Association Of America Data disc modulation for minimizing pirating
US6531262B1 (en) 1998-06-25 2003-03-11 Spectradisc Corporation Methods and apparatus for rendering an optically encoded medium unreadable and tamper-resistant
US6338933B1 (en) 1998-06-25 2002-01-15 Spectradisc Corporation Methods and apparatus for rendering an optically encoded medium unreadable
JP2000021085A (ja) * 1998-06-30 2000-01-21 Pioneer Electron Corp 暗号化装置及び記録媒体
US6185313B1 (en) 1998-07-30 2001-02-06 Eastman Kodak Company Method and apparatus for printing copy restrictive documents having individual keycodes
US6240406B1 (en) 1998-08-31 2001-05-29 The Trustees Of The University Of Pennsylvania System and method for optimizing queries with aggregates and collection conversions
US6457127B1 (en) 1998-11-19 2002-09-24 Koninklijke Philips Electronics N.V. Method of and device for generating a key
US7664264B2 (en) 1999-03-24 2010-02-16 Blue Spike, Inc. Utilizing data reduction in steganographic and cryptographic systems
US6591367B1 (en) * 1999-03-31 2003-07-08 Atabok Japan, Inc. Method and apparatus for preventing unauthorized copying and distributing of electronic messages transmitted over a network
JP4161466B2 (ja) * 1999-04-22 2008-10-08 日本ビクター株式会社 コンテンツ情報記録方法及びコンテンツ情報処理装置
JP4243059B2 (ja) * 1999-07-12 2009-03-25 フレックスプレイ・テクノロジーズ・インコーポレイテッド 使捨て式光学記憶媒体とその製造方法
WO2001018628A2 (en) 1999-08-04 2001-03-15 Blue Spike, Inc. A secure personal content server
NL1013562C2 (nl) * 1999-11-11 2001-05-14 Odme Internat B V Beschrijfbare optische registratiedrager alsmede werkwijze voor het vervaardigen van een moedermatrijs voor een dergelijke beschrijfbare optische registratiedrager.
US6968459B1 (en) 1999-12-15 2005-11-22 Imation Corp. Computing environment having secure storage device
US7228425B1 (en) * 2000-02-07 2007-06-05 Koninklijke Philips Electronics N. V. Protecting content from illicit reproduction by proof of existence of a complete data set via self-referencing sections
WO2001084767A1 (en) * 2000-05-01 2001-11-08 Xtec, Incorporated Methods and apparatus for mediametric data cryptoprocessing
US7269259B1 (en) * 2000-05-01 2007-09-11 Xtex, Incorporated Methods and apparatus for authenticating data as originating from a storage and processing device and for securing software and data stored on the storage and processing device
US7017044B1 (en) * 2000-08-02 2006-03-21 Maxtor Corporation Extremely secure method for keying stored contents to a specific storage device
CA2318310A1 (en) * 2000-09-01 2002-03-01 Oleg Saliahov Cd-disk identification through a pattern analysis
US20040243540A1 (en) * 2000-09-07 2004-12-02 Moskowitz Scott A. Method and device for monitoring and analyzing signals
US7613917B1 (en) 2000-09-18 2009-11-03 Navteq North America, Llc Method and system for mass distribution of geographic data for navigation systems
US6978021B1 (en) * 2000-09-18 2005-12-20 Navteq North America, Llc Encryption method for distribution of data
US6768942B1 (en) * 2000-09-18 2004-07-27 Navigation Technologies Corp. Navigation system with decryption functions and secure geographic database
US7127615B2 (en) 2000-09-20 2006-10-24 Blue Spike, Inc. Security based on subliminal and supraliminal channels for data objects
US6982109B2 (en) * 2000-12-11 2006-01-03 Flexplay Technologies, Inc. Method for rendering surface layer of limited play disk lightfast
US7376073B2 (en) * 2000-12-14 2008-05-20 Ecd Systems, Inc. Optical storage medium having distortion regions, and a method of modifying an optical storage medium to include distortion regions
US20020141583A1 (en) * 2001-01-29 2002-10-03 Eastman Kodak Company Copy protection using a preformed ID and a unique ID on a programmable CD-ROM
US20030018895A1 (en) * 2001-02-02 2003-01-23 Morrison Gregg B. Processes and systems for enabling secure and controlled distribution and use of information
JP4392594B2 (ja) * 2001-06-05 2010-01-06 フレックスプレイ テクノロジーズ，インク． 間隙反応性層を持つ使用寿命が制限された光学デバイスおよびその製法
US7562396B2 (en) * 2001-08-21 2009-07-14 Ecd Systems, Inc. Systems and methods for media authentication
US7316032B2 (en) 2002-02-27 2008-01-01 Amad Tayebi Method for allowing a customer to preview, acquire and/or pay for information and a system therefor
US7562397B1 (en) 2002-02-27 2009-07-14 Mithal Ashish K Method and system for facilitating search, selection, preview, purchase evaluation, offering for sale, distribution, and/or sale of digital content and enhancing the security thereof
US7006658B2 (en) 2001-12-20 2006-02-28 Koninklijke Philips Electronics N.V. Varying segment sizes to increase security
US7716485B2 (en) * 2002-02-01 2010-05-11 Sca Ipla Holdings Inc. Systems and methods for media authentication
US20030156717A1 (en) * 2002-02-21 2003-08-21 Koninklijke Philips Electronics N.V. Copy-protection by preserving copy-control signals
US7287275B2 (en) 2002-04-17 2007-10-23 Moskowitz Scott A Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth
DE10217551A1 (de) * 2002-04-19 2003-11-06 Helmut Alexander Lotze Vorrichtung und Verfahren zur Verhinderung unberechtigter Verwendung von Software
JP2003345641A (ja) * 2002-05-29 2003-12-05 Ricoh Co Ltd 記憶媒体及びプログラム
CN1675878A (zh) * 2002-08-20 2005-09-28 皇家飞利浦电子股份有限公司 用于保护存储内容的移动网络鉴权
US8171567B1 (en) 2002-09-04 2012-05-01 Tracer Detection Technology Corp. Authentication method and system
TW200421811A (en) * 2002-09-24 2004-10-16 Nagracard Sa Multiple pairing control method
US20040103115A1 (en) * 2002-11-26 2004-05-27 Vandewater Eric J. System and method of protecting digital content
JP4471067B2 (ja) * 2003-02-17 2010-06-02 ソニー株式会社 コンテンツ複製管理システム、複製管理装置、複製管理方法、コンテンツ複製装置及びコンテンツ複製方法
IES20030443A2 (en) * 2003-06-16 2004-12-01 Fraudhalt Ltd A method and apparatus for determining if an optical disk originated from a valid source
US8943325B2 (en) * 2004-02-06 2015-01-27 Signoptic Technologies Savoie Technolac Use of a digital signature obtained from at least one structural characteristic of a material element to protect the direct reading of sensitive data and method for reading this protected data
US20060020552A1 (en) * 2004-07-26 2006-01-26 James Sloan Copy-restriction system for digitally recorded, computer disk-based music recordings
US20060023598A1 (en) * 2004-07-30 2006-02-02 Babinski James P Method and apparatus for protecting against copying of content recorded on optical recording media
US7506812B2 (en) 2004-09-07 2009-03-24 Semtek Innovative Solutions Corporation Transparently securing data for transmission on financial networks
US7309012B2 (en) 2004-09-07 2007-12-18 Semtek Innovative Solutions, Inc. Secure magnetic stripe reader for handheld computing and method of using same
US20060064386A1 (en) 2004-09-20 2006-03-23 Aaron Marking Media on demand via peering
US11734393B2 (en) 2004-09-20 2023-08-22 Warner Bros. Entertainment Inc. Content distribution with renewable content protection
CN101076861A (zh) 2004-12-13 2007-11-21 皇家飞利浦电子股份有限公司 控制数字作品的分发和使用
US7281652B2 (en) * 2005-05-18 2007-10-16 Foss Jonathan G Point-of-sale provider evaluation
US20070177433A1 (en) * 2005-09-07 2007-08-02 Jean-Francois Poirier Method and system for data security of recording media
US8769275B2 (en) 2006-10-17 2014-07-01 Verifone, Inc. Batch settlement transactions system and method
US9123042B2 (en) * 2006-10-17 2015-09-01 Verifone, Inc. Pin block replacement
US9361617B2 (en) 2008-06-17 2016-06-07 Verifone, Inc. Variable-length cipher system and method
US9141819B2 (en) * 2006-11-08 2015-09-22 International Business Machines Corporation Encrypted tape access control via challenge-response protocol
US20080288403A1 (en) * 2007-05-18 2008-11-20 Clay Von Mueller Pin encryption device security
US8355982B2 (en) 2007-08-16 2013-01-15 Verifone, Inc. Metrics systems and methods for token transactions
US8144940B2 (en) 2008-08-07 2012-03-27 Clay Von Mueller System and method for authentication of data
US8251283B1 (en) 2009-05-08 2012-08-28 Oberon Labs, LLC Token authentication using spatial characteristics
US20100325200A1 (en) * 2009-06-22 2010-12-23 Craig Stephen Etchegoyen System and Method for Software Activation Through Digital Media Fingerprinting
JP2012533805A (ja) * 2009-07-17 2012-12-27 セキュアー コンテント ストレージ アソシエイション， リミテッド ライアビリティ カンパニー シンプルな非自律的ピアリングメディア複製検出器
KR101614950B1 (ko) 2010-04-12 2016-04-25 삼성전자주식회사 저장 장치에 물리적 식별자를 생성하는 방법 및 기계로 읽을 수 있는 저장 매체
KR101698211B1 (ko) * 2010-05-07 2017-01-19 삼성전자주식회사 저장 장치의 인증 방법, 기계로 읽을 수 있는 저장 매체 및 호스트 장치
TWI622969B (zh) 2012-12-17 2018-05-01 印奈克斯托股份有限公司 用以使用物理特性來標記製造物品的方法及設備

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462078A (en) * 1982-08-02 1984-07-24 Ron Ross Computer program protection method
US4785361A (en) * 1982-11-08 1988-11-15 Vault Corporation Method and apparatus for frustrating the unauthorized copying of recorded data
US4584641A (en) * 1983-08-29 1986-04-22 Paul Guglielmino Copyprotecting system for software protection
US4644493A (en) * 1984-09-14 1987-02-17 International Business Machines Corporation Implementing a shared higher level of privilege on personal computers for copy protection of software
US4866769A (en) * 1987-08-05 1989-09-12 Ibm Corporation Hardware assist for protecting PC software
US5113518A (en) * 1988-06-03 1992-05-12 Durst Jr Robert T Method and system for preventing unauthorized use of software
US5027396A (en) * 1990-05-07 1991-06-25 Xerox Corporation Execution protection for floppy disks
CA2026998C (en) * 1990-10-05 1994-05-10 Thomas Edwin Glover Dynamic trace elements
US5267311A (en) * 1992-12-08 1993-11-30 Bakhoum Ezzat G Intelligent diskette for software protection

Also Published As

Publication number Publication date
EP0644474B1 (de) 1998-08-05
US5412718A (en) 1995-05-02
SG46304A1 (en) 1998-02-20
EP0644474A1 (de) 1995-03-22
DE69412196T2 (de) 1999-04-08

Similar Documents

Publication Publication Date Title
DE69412196D1 (de) Verfahren zur Verwendung von Mediuminhomogenitäten zur Minimierung unbefugter Vervielfältigung digitaler Daten
DE69605117D1 (de) Verfahren zur aufteilung und kodierung von daten
DE69630060D1 (de) Verfahren zur Übertragung von digitalen Daten und Aufzeichnungsmedium
DE69617285D1 (de) Gerät und Verfahren zur Aufzeichnung und Wiedergabe von Daten
DE69021143D1 (de) Verfahren zur wirksamen Verwendung von auswechselbaren Aufzeichnungsmedien für Daten.
DE69027103D1 (de) Optisches Aufzeichnungsmedium und Verfahren zur Aufzeichnungs und Wiedergabe von Informationen darauf
DE69621519D1 (de) Verfahren zur Maximalwahrscheinlichkeitsdekodierung und Gerät zur Wiedergabe von Digitalinformationen
DE69424462D1 (de) Gerät und Verfahren zur Wiedergabe von kontinuierlichen Daten
DE68927609D1 (de) Verfahren zur Aufzeichnung und Wiedergabe von Informationssignalen und Gerät dafür
DE69326729D1 (de) Gerät und Verfahren zur Aufzeichnung digitaler Daten
DE68927280D1 (de) Verfahren zur Informationsaufzeichnung und -wiedergabe, Vorrichtung dazu und Aufzeichnungsmedium
DE69130786D1 (de) Verfahren zum Kodieren digitaler Informationen
DE69516326D1 (de) Verfahren und Einrichtung zur Einschränkung der Wiedergabe von Daten
DE69830094D1 (de) Vorrichtung und Verfahren zur optischen Aufzeichnung und Wiedergabe von Daten, sowie optisches Speichermedium
DE69534757D1 (de) System und Verfahren zur sicheren Speicherung und Verteilung von Daten unter Verwendung digitaler Unterschriften
DE69523423D1 (de) Anzeigeverfahren von hierarchischen Daten und Informationssystem zur Durchführung
DE69416702D1 (de) Magnetooptischer Aufzeichnungsträger und Verfahren zur Informationswiedergabe
DE69225861D1 (de) Verfahren zur Aufzeichnung von Information, Verfahren zur Wiedergabe aufgezeichneter Information und Gerät und Aufzeichnunsmedium dafür
DE69326525D1 (de) Magnetooptischer Aufzeichnungträger und Verfahren zur Aufzeichnung und Wiedergabe von optischer Information
DE69030865D1 (de) Aufzeichnungsmedium und Verfahren zur Wiedergabe dafür
DE69425543D1 (de) Verfahren und Gerät zur Aufzeichnung von Informationssignalen und Aufzeichnungsmedium
DE69527223D1 (de) Verfahren und Vorrichtung zur Kodierung von Daten sowie Datenaufzeichnungsmedium
DE69120671D1 (de) Verfahren zur wiedergabe von signalen in optischem aufzeichnungsmedium
DE69125786D1 (de) Verfahren und Gerät zur magnetischen Aufzeichnung von digitalen Videosignalen und magnetisches Aufzeichnungsmedium dafür
KR950700589A (ko) 기록 매체의 판독 방법 및 그것을 이용한 시스템(Method of reading arecording medium and system using said method)

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8327 Change in the person/name/address of the patent owner

Owner name: KENT RIDGE DIGITAL LABS (KRDL), SINGAPUR/SINGAPORE

8339 Ceased/non-payment of the annual fee