FI990414A0 - Metod och kopplingsarrangemang för att förhindra otillåtligt tillträde till en mikroprocessor - Google Patents
Metod och kopplingsarrangemang för att förhindra otillåtligt tillträde till en mikroprocessorInfo
- Publication number
- FI990414A0 FI990414A0 FI990414A FI990414A FI990414A0 FI 990414 A0 FI990414 A0 FI 990414A0 FI 990414 A FI990414 A FI 990414A FI 990414 A FI990414 A FI 990414A FI 990414 A0 FI990414 A0 FI 990414A0
- Authority
- FI
- Finland
- Prior art keywords
- microprocessor
- unauthorized access
- prevent unauthorized
- wiring arrangement
- indication
- Prior art date
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
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of 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
- G06F21/81—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer by operating on the power supply, e.g. enabling or disabling power-on, sleep or resume operations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0751—Error or fault detection not based on redundancy
- G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
- G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Debugging And Monitoring (AREA)
- Storage Device Security (AREA)
- Microcomputers (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI990414A FI990414A (sv) | 1999-02-26 | 1999-02-26 | Metod och kopplingsarrangemang för att förhindra otillåtligt tillträde till en mikroprocessor |
DE60044833T DE60044833D1 (de) | 1999-02-26 | 2000-02-22 | Verfahren und Kopplungsvorrichtung zur Verhinderung eines auf einem Mikroprozessor unerlaubten Zugriffs |
PT00103666T PT1031906E (pt) | 1999-02-26 | 2000-02-22 | Método e sistema de acoplamento para a prevenção do acesso não autorizado a um microprocessador |
ES00103666T ES2347519T3 (es) | 1999-02-26 | 2000-02-22 | Procedimiento y disposicion de acoplamiento para prevenir el acceso no autorizado a un microprocesador. |
AT00103666T ATE478392T1 (de) | 1999-02-26 | 2000-02-22 | Verfahren und kopplungsvorrichtung zur verhinderung eines auf einem mikroprozessor unerlaubten zugriffs |
EP00103666A EP1031906B1 (en) | 1999-02-26 | 2000-02-22 | Method and coupling arrangement for preventing unauthorized access to a microprocessor |
US09/513,594 US6754830B1 (en) | 1999-02-26 | 2000-02-25 | Method and coupling arrangement for preventing unauthorized access to a microprocessor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI990414A FI990414A (sv) | 1999-02-26 | 1999-02-26 | Metod och kopplingsarrangemang för att förhindra otillåtligt tillträde till en mikroprocessor |
Publications (2)
Publication Number | Publication Date |
---|---|
FI990414A0 true FI990414A0 (sv) | 1999-02-26 |
FI990414A FI990414A (sv) | 2000-08-27 |
Family
ID=8553960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI990414A FI990414A (sv) | 1999-02-26 | 1999-02-26 | Metod och kopplingsarrangemang för att förhindra otillåtligt tillträde till en mikroprocessor |
Country Status (7)
Country | Link |
---|---|
US (1) | US6754830B1 (sv) |
EP (1) | EP1031906B1 (sv) |
AT (1) | ATE478392T1 (sv) |
DE (1) | DE60044833D1 (sv) |
ES (1) | ES2347519T3 (sv) |
FI (1) | FI990414A (sv) |
PT (1) | PT1031906E (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7340596B1 (en) * | 2000-06-12 | 2008-03-04 | Altera Corporation | Embedded processor with watchdog timer for programmable logic |
JP4302078B2 (ja) * | 2005-04-28 | 2009-07-22 | 株式会社東芝 | 電子機器 |
US9141776B2 (en) * | 2008-04-30 | 2015-09-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for secure hardware analysis |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4494114B1 (en) | 1983-12-05 | 1996-10-15 | Int Electronic Tech | Security arrangement for and method of rendering microprocessor-controlled electronic equipment inoperative after occurrence of disabling event |
US4791565A (en) * | 1984-06-20 | 1988-12-13 | Effective Security Systems, Inc. | Apparatus for controlling the use of computer software |
US4766516A (en) * | 1987-09-24 | 1988-08-23 | Hughes Aircraft Company | Method and apparatus for securing integrated circuits from unauthorized copying and use |
US4901341A (en) * | 1988-06-22 | 1990-02-13 | Messager Partners | Method and apparatus for caller-controlled receipt and delivery of voice messages |
US5144659A (en) * | 1989-04-19 | 1992-09-01 | Richard P. Jones | Computer file protection system |
US5440725A (en) * | 1989-06-24 | 1995-08-08 | Robert Bosch Gmbh | Microprocessor circuit arrangement with watchdog circuit |
JPH0484348A (ja) | 1990-07-27 | 1992-03-17 | Nec Corp | Romデータ保護方式 |
US5053992A (en) * | 1990-10-04 | 1991-10-01 | General Instrument Corporation | Prevention of inspection of secret data stored in encapsulated integrated circuit chip |
US5406261A (en) | 1993-01-11 | 1995-04-11 | Glenn; James T. | Computer security apparatus and method |
US5355414A (en) | 1993-01-21 | 1994-10-11 | Ast Research, Inc. | Computer security system |
FI101031B (sv) * | 1995-05-12 | 1998-03-31 | Nokia Telecommunications Oy | Kontroll av behörighet för en abonnentapparat |
US5724027A (en) * | 1995-09-28 | 1998-03-03 | Intel Corporation | Method and apparatus for providing system security to personal computer systems using transparent system interrupt |
US5864663A (en) * | 1996-09-12 | 1999-01-26 | United Technologies Corporation | Selectively enabled watchdog timer circuit |
US6272637B1 (en) * | 1997-04-14 | 2001-08-07 | Dallas Semiconductor Corporation | Systems and methods for protecting access to encrypted information |
US5920690A (en) * | 1997-08-11 | 1999-07-06 | Motorola, Inc. | Method and apparatus for providing access protection in an integrated circuit |
KR100308216B1 (ko) * | 1999-03-15 | 2001-09-26 | 윤종용 | 밀봉된 전자기기의 비인가된 개봉을 검출하는 장치 |
-
1999
- 1999-02-26 FI FI990414A patent/FI990414A/sv unknown
-
2000
- 2000-02-22 EP EP00103666A patent/EP1031906B1/en not_active Expired - Lifetime
- 2000-02-22 ES ES00103666T patent/ES2347519T3/es not_active Expired - Lifetime
- 2000-02-22 AT AT00103666T patent/ATE478392T1/de not_active IP Right Cessation
- 2000-02-22 PT PT00103666T patent/PT1031906E/pt unknown
- 2000-02-22 DE DE60044833T patent/DE60044833D1/de not_active Expired - Lifetime
- 2000-02-25 US US09/513,594 patent/US6754830B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI990414A (sv) | 2000-08-27 |
DE60044833D1 (de) | 2010-09-30 |
US6754830B1 (en) | 2004-06-22 |
EP1031906B1 (en) | 2010-08-18 |
ES2347519T3 (es) | 2010-11-02 |
PT1031906E (pt) | 2010-09-20 |
ATE478392T1 (de) | 2010-09-15 |
EP1031906A3 (en) | 2006-05-17 |
EP1031906A2 (en) | 2000-08-30 |
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