FR2621409A1 - Dispositif de protection des zones memoires d'un systeme electronique a microprocesseur - Google Patents

Dispositif de protection des zones memoires d'un systeme electronique a microprocesseur Download PDF

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Publication number
FR2621409A1
FR2621409A1 FR8713936A FR8713936A FR2621409A1 FR 2621409 A1 FR2621409 A1 FR 2621409A1 FR 8713936 A FR8713936 A FR 8713936A FR 8713936 A FR8713936 A FR 8713936A FR 2621409 A1 FR2621409 A1 FR 2621409A1
Authority
FR
France
Prior art keywords
zones
type
circuit
memory
areas
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.)
Granted
Application number
FR8713936A
Other languages
English (en)
French (fr)
Other versions
FR2621409B1 (en, 2012
Inventor
Laurent Sourgen
Rodolphe Uhlmann
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.)
Thomson Semiconducteurs SA
Original Assignee
Thomson Semiconducteurs SA
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 Thomson Semiconducteurs SA filed Critical Thomson Semiconducteurs SA
Priority to FR8713936A priority Critical patent/FR2621409A1/fr
Priority to PCT/FR1988/000474 priority patent/WO1989003081A1/fr
Priority to JP63507871A priority patent/JP3025842B2/ja
Priority to DE3853482T priority patent/DE3853482T2/de
Priority to EP88908257A priority patent/EP0393050B1/fr
Publication of FR2621409A1 publication Critical patent/FR2621409A1/fr
Priority to US08/016,012 priority patent/US5361341A/en
Application granted granted Critical
Publication of FR2621409B1 publication Critical patent/FR2621409B1/fr
Priority to US08/286,771 priority patent/US5559989A/en
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1008—Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
    • G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
    • G06F12/1441—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block for a range
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/357—Cards having a plurality of specified features

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Accounting & Taxation (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
FR8713936A 1987-10-02 1987-10-02 Dispositif de protection des zones memoires d'un systeme electronique a microprocesseur Granted FR2621409A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8713936A FR2621409A1 (fr) 1987-10-02 1987-10-02 Dispositif de protection des zones memoires d'un systeme electronique a microprocesseur
PCT/FR1988/000474 WO1989003081A1 (fr) 1987-10-02 1988-09-27 Dispositif de protection des zones memoire d'un systeme electronique a microprocesseur
JP63507871A JP3025842B2 (ja) 1987-10-02 1988-09-27 マイクロプロセッサを備える電子システムのメモリ領域を保護するための装置
DE3853482T DE3853482T2 (de) 1987-10-02 1988-09-27 Einrichtung zum schützen von speicherzonen eines elektronischen systems mit mikroprozessor.
EP88908257A EP0393050B1 (fr) 1987-10-02 1988-09-27 Dispositif de protection des zones memoire d'un systeme electronique a microprocesseur
US08/016,012 US5361341A (en) 1987-10-02 1993-02-10 Device for enabling the use of the contents of memory areas of an electronic microprocessor system
US08/286,771 US5559989A (en) 1987-10-02 1994-08-05 Device for protecting memory areas of an electronic microprocessor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8713936A FR2621409A1 (fr) 1987-10-02 1987-10-02 Dispositif de protection des zones memoires d'un systeme electronique a microprocesseur

Publications (2)

Publication Number Publication Date
FR2621409A1 true FR2621409A1 (fr) 1989-04-07
FR2621409B1 FR2621409B1 (en, 2012) 1994-04-22

Family

ID=9355647

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8713936A Granted FR2621409A1 (fr) 1987-10-02 1987-10-02 Dispositif de protection des zones memoires d'un systeme electronique a microprocesseur

Country Status (5)

Country Link
EP (1) EP0393050B1 (en, 2012)
JP (1) JP3025842B2 (en, 2012)
DE (1) DE3853482T2 (en, 2012)
FR (1) FR2621409A1 (en, 2012)
WO (1) WO1989003081A1 (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0540095A1 (fr) * 1991-10-30 1993-05-05 Philips Composants Et Semiconducteurs Microcircuit pour carte à puce à mémoire programmable protégée
FR2728363A1 (fr) * 1994-12-20 1996-06-21 Sgs Thomson Microelectronics Dispositif de protection de l'acces a des mots memoires

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3028815B2 (ja) * 1988-08-19 2000-04-04 株式会社東芝 携帯可能電子装置の伝送方法と携帯可能電子装置
FR2655762B1 (fr) * 1989-12-07 1992-01-17 Sgs Thomson Microelectronics Fusible mos a claquage d'oxyde tunnel programmable.
FR2656939B1 (fr) * 1990-01-09 1992-04-03 Sgs Thomson Microelectronics Verrous de securite pour circuit integre.
FR2694120B1 (fr) * 1992-07-24 1994-09-23 Sgs Thomson Microelectronics Circuit de gestion de mots mémoires.
FR2706620B1 (fr) * 1993-06-11 1995-07-21 Sgs Thomson Microelectronics Circuit intégré comportant un circuit de détection du niveau d'une tension de service.
JP3520102B2 (ja) * 1993-12-28 2004-04-19 株式会社東芝 マイクロコンピュータ
JP5324599B2 (ja) * 2007-12-13 2013-10-23 トムソン ライセンシング コピープロテクトされたソフトウエア・カートリッジ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4590552A (en) * 1982-06-30 1986-05-20 Texas Instruments Incorporated Security bit for designating the security status of information stored in a nonvolatile memory
US4665506A (en) * 1983-01-03 1987-05-12 Texas Instruments Incorporated Memory system with write protection

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4590552A (en) * 1982-06-30 1986-05-20 Texas Instruments Incorporated Security bit for designating the security status of information stored in a nonvolatile memory
US4665506A (en) * 1983-01-03 1987-05-12 Texas Instruments Incorporated Memory system with write protection

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 15, no. 12, mai 1973, page 3799, New York, US; R.GENG et al.: "Control-programmed switchable local storage" *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0540095A1 (fr) * 1991-10-30 1993-05-05 Philips Composants Et Semiconducteurs Microcircuit pour carte à puce à mémoire programmable protégée
FR2683357A1 (fr) * 1991-10-30 1993-05-07 Philips Composants Microcircuit pour carte a puce a memoire programmable protegee.
FR2728363A1 (fr) * 1994-12-20 1996-06-21 Sgs Thomson Microelectronics Dispositif de protection de l'acces a des mots memoires
EP0718769A1 (fr) 1994-12-20 1996-06-26 STMicroelectronics S.A. Dispositif de protection de l'accès à des mots mémoires
US5978915A (en) * 1994-12-20 1999-11-02 Sgs-Thomson Microelectronics S.A. Device for the protection of the access to memory words

Also Published As

Publication number Publication date
WO1989003081A1 (fr) 1989-04-06
DE3853482T2 (de) 1995-11-09
JP3025842B2 (ja) 2000-03-27
EP0393050A1 (fr) 1990-10-24
DE3853482D1 (de) 1995-05-04
EP0393050B1 (fr) 1995-03-29
JPH02502949A (ja) 1990-09-13
FR2621409B1 (en, 2012) 1994-04-22

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