DD292987A5 - Verfahren zur kontrolle der nutzung eines informationstraegers insbesondere eines magnetischen oder optisch-magnetischen, und systeme fuer seine verwendung - Google Patents

Verfahren zur kontrolle der nutzung eines informationstraegers insbesondere eines magnetischen oder optisch-magnetischen, und systeme fuer seine verwendung Download PDF

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Publication number
DD292987A5
DD292987A5 DD90337994A DD33799490A DD292987A5 DD 292987 A5 DD292987 A5 DD 292987A5 DD 90337994 A DD90337994 A DD 90337994A DD 33799490 A DD33799490 A DD 33799490A DD 292987 A5 DD292987 A5 DD 292987A5
Authority
DD
German Democratic Republic
Prior art keywords
information
microcircuit
processing system
carrier
code
Prior art date
Application number
DD90337994A
Other languages
German (de)
English (en)
Inventor
Jean-Michel Livowsky
Original Assignee
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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 �������@�������`�������k�� filed Critical �������@�������`�������k��
Publication of DD292987A5 publication Critical patent/DD292987A5/de

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
    • 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
    • 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
    • G11B20/00413—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 input by a user
    • 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
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • 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
    • G11B20/00876—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy wherein physical copy protection means are attached to the medium, e.g. holograms, sensors, or additional semiconductor circuitry
    • 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
    • G11B20/00978—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy wherein the record carrier stores a trial version of a content
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
DD90337994A 1989-02-21 1990-02-20 Verfahren zur kontrolle der nutzung eines informationstraegers insbesondere eines magnetischen oder optisch-magnetischen, und systeme fuer seine verwendung DD292987A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8902247A FR2643475A1 (fr) 1989-02-21 1989-02-21 Procede de controle de l'utilisation d'un support d'informations, notamment magnetique ou magneto-optique et systemes pour sa mise en oeuvre

Publications (1)

Publication Number Publication Date
DD292987A5 true DD292987A5 (de) 1991-08-14

Family

ID=9378987

Family Applications (1)

Application Number Title Priority Date Filing Date
DD90337994A DD292987A5 (de) 1989-02-21 1990-02-20 Verfahren zur kontrolle der nutzung eines informationstraegers insbesondere eines magnetischen oder optisch-magnetischen, und systeme fuer seine verwendung

Country Status (6)

Country Link
AU (1) AU5173790A (fr)
DD (1) DD292987A5 (fr)
FR (1) FR2643475A1 (fr)
GR (1) GR900100111A (fr)
IL (1) IL93436A0 (fr)
WO (1) WO1990010292A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19542910B4 (de) * 1995-11-17 2005-01-05 Deutsche Telekom Ag Verfahren und Vorrichtung zum Schutz gespeicherter Daten

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05289612A (ja) * 1992-04-06 1993-11-05 Nhk Spring Co Ltd 情報記録システム及び情報通信システム
DE4219695A1 (de) * 1992-06-16 1993-12-23 Compass Business Computer Gmbh Schutzvorrichtung zur berechtigungsabhängigen Benutzung eines Rechners oder eines Teils desselben
GB9218452D0 (en) * 1992-08-29 1992-10-14 Abdulhayoglu Melih Non-copiable software recording medium
JP3084969B2 (ja) * 1992-10-16 2000-09-04 松下電器産業株式会社 再生装置と記録装置とケース入り記録媒体と記録媒体の初期化装置
EP2385527A3 (fr) * 1993-06-07 2012-12-19 Samsung Electronics Co., Ltd. Appareil d'enregistrement/de reproduction d'information numérique
DE4332413A1 (de) * 1993-09-23 1995-03-30 Bayerische Motoren Werke Ag Verfahren zum Synchronisieren zweier Steuergeräte
AU5110596A (en) * 1995-03-22 1996-10-08 Meiller Comcard Gmbh Protection device for data carriers and an interactive device which co-operates with the protection device to prevent unauthorised use
FR2751767B1 (fr) * 1996-07-26 1998-12-18 Thomson Csf Systeme de stockage securise de donnees sur cd-rom
EP0849734B1 (fr) * 1996-12-20 2003-04-16 Texas Instruments Incorporated Améliorations relatives aux systèmes de sécurité
EP0989497A1 (fr) * 1997-09-25 2000-03-29 CANAL+ Société Anonyme Procédé et dispositif de protection de données numériques enregistrées
WO2000048059A1 (fr) * 1999-02-11 2000-08-17 A-Tronic Mgm Ag Systeme d'identification
FR2790346A1 (fr) 1999-02-26 2000-09-01 Schlumberger Systems & Service Dispositif et procede de securisation d'un media de stockage de donnees
US6625732B1 (en) 1999-04-29 2003-09-23 Charles R Weirauch Method for tracking the devices used to load, read, and write removable storage media

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897167A (ja) * 1981-12-04 1983-06-09 Hitachi Ltd デイスクカ−トリツジ
DE3314783C2 (de) * 1983-04-23 1985-07-18 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Videorecorder mit selbsttätiger Erfassung von Kennwerten der Kassette
JPS59231650A (ja) * 1983-06-14 1984-12-26 Usac Electronics Ind Co Ltd ソフトウエア保護処理方式
WO1985004032A1 (fr) * 1984-02-28 1985-09-12 Gandlake Software Ltd. Protection de logiciels d'ordinateur
JPS6154549A (ja) * 1984-08-24 1986-03-18 Fujitsu Ltd コンピユ−タにおける中央処理ユニツト識別番号による識別方法
CA1238427A (fr) * 1984-12-18 1988-06-21 Jonathan Oseas Methode de protection par codes cryptographiques
US4688169A (en) * 1985-05-30 1987-08-18 Joshi Bhagirath S Computer software security system
CA1270339A (fr) * 1985-06-24 1990-06-12 Katsuya Nakagawa Dispositif pour determiner l'exactitude d'un logiciel dans un appareil de traitement de donnees
DE3525827A1 (de) * 1985-07-19 1987-02-19 Friedrich Uwe Rene Vorrichtung zum softwareschutz
JPS6267658A (ja) * 1985-09-19 1987-03-27 Nec Corp システムセキユリテイチエツク装置
JPS63213027A (ja) * 1987-02-28 1988-09-05 Nec Corp ソフトウェアのコピープロテクション装置
US4866769A (en) * 1987-08-05 1989-09-12 Ibm Corporation Hardware assist for protecting PC software
FR2633086B1 (fr) * 1988-06-20 1990-11-09 Dupre Michel Jean Procede et appareil d'enregistrement numerique de donnees, support protege d'enregistrement de donnees et appareil de lecture de donnees enregistrees sur un tel support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19542910B4 (de) * 1995-11-17 2005-01-05 Deutsche Telekom Ag Verfahren und Vorrichtung zum Schutz gespeicherter Daten

Also Published As

Publication number Publication date
FR2643475A1 (fr) 1990-08-24
AU5173790A (en) 1990-09-26
GR900100111A (el) 1991-06-28
WO1990010292A1 (fr) 1990-09-07
IL93436A0 (en) 1990-11-29

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ENJ Ceased due to non-payment of renewal fee