DE69415272T2 - Integrierte Schaltung mit einem geschützten Speicher und geschütztes System das diese integrierte Schaltung verwendet - Google Patents

Integrierte Schaltung mit einem geschützten Speicher und geschütztes System das diese integrierte Schaltung verwendet

Info

Publication number
DE69415272T2
DE69415272T2 DE69415272T DE69415272T DE69415272T2 DE 69415272 T2 DE69415272 T2 DE 69415272T2 DE 69415272 T DE69415272 T DE 69415272T DE 69415272 T DE69415272 T DE 69415272T DE 69415272 T2 DE69415272 T2 DE 69415272T2
Authority
DE
Germany
Prior art keywords
integrated circuit
protected
memory
protected memory
protected system
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
DE69415272T
Other languages
English (en)
Other versions
DE69415272D1 (de
Inventor
Yvon Bahout
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.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9452480&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69415272(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Publication of DE69415272D1 publication Critical patent/DE69415272D1/de
Application granted granted Critical
Publication of DE69415272T2 publication Critical patent/DE69415272T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06F21/79—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 semiconductor storage media, e.g. directly-addressable memories
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
    • G06F12/1466—Key-lock mechanism
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/22—Safety or protection circuits preventing unauthorised or accidental access to memory cells
DE69415272T 1993-10-28 1994-10-26 Integrierte Schaltung mit einem geschützten Speicher und geschütztes System das diese integrierte Schaltung verwendet Expired - Fee Related DE69415272T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9313091A FR2711833B1 (fr) 1993-10-28 1993-10-28 Circuit intégré contenant une mémoire protégée et système sécurisé utilisant ledit circuit intégré.

Publications (2)

Publication Number Publication Date
DE69415272D1 DE69415272D1 (de) 1999-01-28
DE69415272T2 true DE69415272T2 (de) 1999-04-29

Family

ID=9452480

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69415272T Expired - Fee Related DE69415272T2 (de) 1993-10-28 1994-10-26 Integrierte Schaltung mit einem geschützten Speicher und geschütztes System das diese integrierte Schaltung verwendet

Country Status (5)

Country Link
US (1) US5594793A (de)
EP (1) EP0651394B1 (de)
JP (1) JPH07182243A (de)
DE (1) DE69415272T2 (de)
FR (1) FR2711833B1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5774545A (en) * 1996-03-28 1998-06-30 Lucent Technologies Inc. Method and apparatus for enhancing security in and discouraging theft of VLSI and ULSI devices
US5838901A (en) * 1996-08-05 1998-11-17 Xilinx, Inc. Overridable data protection mechanism for PLDs
FR2757654B1 (fr) * 1996-12-24 1999-02-05 Sgs Thomson Microelectronics Memoire avec zones protegees en lecture
US6992563B1 (en) * 1997-04-11 2006-01-31 Robert Bosch Gmbh Method for protecting devices, specially car radios, against theft
US6032257A (en) * 1997-08-29 2000-02-29 Compaq Computer Corporation Hardware theft-protection architecture
JP3301536B2 (ja) * 1998-05-11 2002-07-15 株式会社シマノ 自転車用暗証登録装置及び自転車用盗難防止システム
US6510522B1 (en) * 1998-11-20 2003-01-21 Compaq Information Technologies Group, L.P. Apparatus and method for providing access security to a device coupled upon a two-wire bidirectional bus
FR2788353B1 (fr) * 1999-01-11 2001-02-23 St Microelectronics Sa Microprocesseur avec circuits de protection pour securiser l'acces a ses registres
MY131509A (en) * 1999-03-15 2007-08-30 Sony Corp Data processing method, apparatus and system for encrypted- data transfer
US7337360B2 (en) * 1999-10-19 2008-02-26 Idocrase Investments Llc Stored memory recovery system
US6594780B1 (en) * 1999-10-19 2003-07-15 Inasoft, Inc. Operating system and data protection
JP4489915B2 (ja) * 2000-07-31 2010-06-23 大日本印刷株式会社 暗証コード照合機能をもった携帯型情報処理装置
US7484081B1 (en) * 2000-10-10 2009-01-27 Altera Corporation Method and apparatus for protecting designs in SRAM-based programmable logic devices
US20020095382A1 (en) * 2001-01-10 2002-07-18 Hiroki Taoka Content decryption device
FR2823364B1 (fr) * 2001-04-05 2003-06-27 St Microelectronics Sa Dispositif et procede de protection partielle en lecture d'une memoire non volatile
FR2829603A1 (fr) * 2001-09-11 2003-03-14 St Microelectronics Sa Procede et dispositif de stockage et de lecture de donnees numeriques sur un support physique
JP2003085143A (ja) * 2001-09-11 2003-03-20 Sony Corp パスワード管理システム、パスワード管理方法、および情報処理装置、並びにコンピュータ・プログラム
GB2385956B (en) * 2002-03-01 2004-06-02 3Com Corp Key based register locking mechanism
US7162644B1 (en) 2002-03-29 2007-01-09 Xilinx, Inc. Methods and circuits for protecting proprietary configuration data for programmable logic devices
KR100505106B1 (ko) * 2002-05-29 2005-07-29 삼성전자주식회사 강화된 보안 기능을 갖춘 스마트 카드
US20030233562A1 (en) * 2002-06-12 2003-12-18 Sachin Chheda Data-protection circuit and method
US7395435B2 (en) * 2002-09-20 2008-07-01 Atmel Corporation Secure memory device for smart cards
US7065621B2 (en) * 2003-02-18 2006-06-20 Takashi Hidai System and method for implementing a hidden address in a communication module
US8612772B1 (en) 2004-09-10 2013-12-17 Altera Corporation Security core using soft key
US8566616B1 (en) 2004-09-10 2013-10-22 Altera Corporation Method and apparatus for protecting designs in SRAM-based programmable logic devices and the like
US20060242420A1 (en) * 2005-04-21 2006-10-26 Herman Rodriguez Electronic cable release coupled with portable computer screensaver
JP2007272476A (ja) * 2006-03-30 2007-10-18 Fujitsu Ltd 情報記憶装置
US20080077982A1 (en) * 2006-09-22 2008-03-27 Bea Systems, Inc. Credential vault encryption
US9251897B2 (en) 2009-12-31 2016-02-02 Micron Technology, Inc. Methods for a phase-change memory array
US20120185741A1 (en) * 2011-01-14 2012-07-19 Sergey Sergeevich Grekhov Apparatus and method for detecting a memory access error
CN111079167B (zh) * 2019-12-22 2023-06-16 哈尔滨新中新电子股份有限公司 一种通过cpld实现的硬件电路加密装置
CN111090893A (zh) * 2019-12-22 2020-05-01 哈尔滨新中新电子股份有限公司 一种硬件电路加密方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401459A1 (fr) * 1977-08-26 1979-03-23 Cii Honeywell Bull Support d'information portatif muni d'un microprocesseur et d'une memoire morte programmable
US4736419A (en) * 1984-12-24 1988-04-05 American Telephone And Telegraph Company, At&T Bell Laboratories Electronic lock system
US4978869A (en) * 1988-03-02 1990-12-18 Dallas Semiconductor Corporation ESD resistant latch circuit
US4943804A (en) * 1988-03-02 1990-07-24 Dallas Semiconductor Corporation Electronic key locking circuitry
US5010331A (en) * 1988-03-02 1991-04-23 Dallas Semiconductor Corporation Time-key integrated circuit
US4870401A (en) * 1988-03-02 1989-09-26 Dallas Semiconductor Corporation Electronic key locking circuitry
US4935645A (en) * 1988-03-02 1990-06-19 Dallas Semiconductor Corporation Fusing and detection circuit
US5327564A (en) * 1988-03-04 1994-07-05 Dallas Semiconductor Corporation Timed access system for protecting data in a central processing unit
US4908790A (en) * 1988-03-10 1990-03-13 Dallas Semiconductor Corporation Backup battery switching circuitry for a microcomputer or a microprocessor
US5237699A (en) * 1988-08-31 1993-08-17 Dallas Semiconductor Corp. Nonvolatile microprocessor with predetermined state on power-down
US5226137A (en) * 1989-05-15 1993-07-06 Dallas Semiconductor Corp. Electronic key with multiple password protected sub-keys using address and translation to implement a block data move between public and protected sub-keys
US5206905A (en) * 1989-05-15 1993-04-27 Dallas Semiconductor Corp. Password protected device using incorrect passwords as seed values for pseudo-random number generator for outputting random data to thwart unauthorized accesses
JPH0476749A (ja) * 1990-07-19 1992-03-11 Toshiba Corp セキュリティ回路
US5140197A (en) * 1990-08-13 1992-08-18 Dallas Semiconductor Corporation Filtered detection plus propagated timing window for stabilizing the switch from crystal to ring oscillator at power-down
US5099153A (en) * 1990-08-13 1992-03-24 Dallas Semiconductor Corporation Frequency-independent monitor circuit
US5319598A (en) * 1990-12-10 1994-06-07 Hughes Aircraft Company Nonvolatile serially programmable devices
GB9121591D0 (en) * 1991-10-11 1991-11-27 Pilkington Micro Electronics Data security arrangement for semiconductor programmable logic devices
US5467396A (en) * 1993-10-27 1995-11-14 The Titan Corporation Tamper-proof data storage
US5452355A (en) * 1994-02-02 1995-09-19 Vlsi Technology, Inc. Tamper protection cell

Also Published As

Publication number Publication date
FR2711833A1 (fr) 1995-05-05
JPH07182243A (ja) 1995-07-21
EP0651394B1 (de) 1998-12-16
EP0651394A1 (de) 1995-05-03
FR2711833B1 (fr) 1995-12-01
US5594793A (en) 1997-01-14
DE69415272D1 (de) 1999-01-28

Similar Documents

Publication Publication Date Title
DE69415272D1 (de) Integrierte Schaltung mit einem geschützten Speicher und geschütztes System das diese integrierte Schaltung verwendet
DE69432878D1 (de) Informationsverarbeitungssystem mit Flash-Speicher und Cache-Speicher
DE69504208D1 (de) Sicherheitsvorrichtung mit einem elektronischen speicher
DE69323861D1 (de) Multiprozessorsystem mit gemeinsamem Speicher
DE69428577D1 (de) Tunneldiode und Speicheranordnung mit derselben
NO943010D0 (no) Vannkontroll med hydroksyumettede karbonyler
DE69418153T2 (de) Speicheranordnung und serielle/parallele Datenwandlerschaltung
DE69424972T2 (de) Rotationsinvariante Mehrpegelkodierungssysteme
DE69432245D1 (de) Mikrorechner mit Speicherleseschutz
DE69431816T2 (de) Kodierung mit hoher Wirksamkeit
DE69614726D1 (de) Datenspeicheranordnung und diese verwendende Datenverarbeitungsanordnung
DE69406011T2 (de) Geschütztes bild
DE69413567T2 (de) Prozessorsystem mit ferroelektrischem Speicher
DK5593D0 (da) Granulat
DE69416246D1 (de) Granulator
DE69421334D1 (de) Verarbeitungssystem mit gemeinschaftlichem Speicher
DE9304346U1 (de) Heizkörperanordnung
DE9304347U1 (de) Heizkörperanordnung
DE69328883T2 (de) Mikroprozessor und Datenverarbeitungsanlage mit Registerspeicher
DE69315170D1 (de) Multiport Speicher
DE59403487D1 (de) Schutzschaltungsanordnung
DE69424338T2 (de) Mikroprozessor mit sicherem Speicher
DE69127113T2 (de) Auf einem Wafer integrierter Speicher mit Multibitzugang und System mit demselben Speicher
KR960009512U (ko) 다단계 명암조절이 가능한 씨알티의 명암조절회로
KR950004054U (ko) 방열기

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee