DE69305998D1 - Einrichtung und verfahren zur feststellung von fehlern auf redundanten signalleitungen mit hilfe von verschlüsselung - Google Patents

Einrichtung und verfahren zur feststellung von fehlern auf redundanten signalleitungen mit hilfe von verschlüsselung

Info

Publication number
DE69305998D1
DE69305998D1 DE69305998T DE69305998T DE69305998D1 DE 69305998 D1 DE69305998 D1 DE 69305998D1 DE 69305998 T DE69305998 T DE 69305998T DE 69305998 T DE69305998 T DE 69305998T DE 69305998 D1 DE69305998 D1 DE 69305998D1
Authority
DE
Germany
Prior art keywords
signal lines
encryption
aid
detecting errors
redundant signal
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
DE69305998T
Other languages
English (en)
Other versions
DE69305998T2 (de
Inventor
Kevin Driscoll
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Publication of DE69305998D1 publication Critical patent/DE69305998D1/de
Application granted granted Critical
Publication of DE69305998T2 publication Critical patent/DE69305998T2/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
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1608—Error detection by comparing the output signals of redundant hardware
    • G06F11/1625—Error detection by comparing the output signals of redundant hardware in communications, e.g. transmission, interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • H04L9/004—Countermeasures against attacks on cryptographic mechanisms for fault attacks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE69305998T 1992-12-22 1993-12-14 Einrichtung und verfahren zur feststellung von fehlern auf redundanten signalleitungen mit hilfe von verschlüsselung Expired - Fee Related DE69305998T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/995,107 US5307409A (en) 1992-12-22 1992-12-22 Apparatus and method for fault detection on redundant signal lines via encryption
PCT/US1993/012204 WO1994015420A1 (en) 1992-12-22 1993-12-14 Apparatus and method for fault detection on redundant signal lines via encryption

Publications (2)

Publication Number Publication Date
DE69305998D1 true DE69305998D1 (de) 1996-12-19
DE69305998T2 DE69305998T2 (de) 1997-05-28

Family

ID=25541399

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69305998T Expired - Fee Related DE69305998T2 (de) 1992-12-22 1993-12-14 Einrichtung und verfahren zur feststellung von fehlern auf redundanten signalleitungen mit hilfe von verschlüsselung

Country Status (6)

Country Link
US (1) US5307409A (de)
EP (1) EP0676108B1 (de)
JP (1) JPH08505021A (de)
CA (1) CA2134559A1 (de)
DE (1) DE69305998T2 (de)
WO (1) WO1994015420A1 (de)

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US5394471A (en) * 1993-09-17 1995-02-28 Bell Atlantic Network Services, Inc. Method and system for proactive password validation
US5850448A (en) * 1994-10-25 1998-12-15 Bell Atlantic Network Services, Inc. Programmed computer for generating pronounceable security passwords
US5606616A (en) * 1995-07-03 1997-02-25 General Instrument Corporation Of Delaware Cryptographic apparatus with double feedforward hash function
US6363330B1 (en) 1998-04-10 2002-03-26 Satnam Singh Sampuran Alag Thermocouple failure detection in power generation turbines
US6275503B1 (en) 1998-07-24 2001-08-14 Honeywell International Inc. Method for transmitting large information packets over networks
US6804354B1 (en) 1999-12-02 2004-10-12 Honeywell International Inc. Cryptographic isolator using multiplication
US6763363B1 (en) 1999-12-02 2004-07-13 Honeywell International Inc. Computer efficient linear feedback shift register
US6760440B1 (en) 1999-12-11 2004-07-06 Honeywell International Inc. One's complement cryptographic combiner
US6523139B1 (en) 1999-12-17 2003-02-18 Honeywell International Inc. System and method for fail safe process execution monitoring and output control for critical systems
DE10037737B4 (de) * 2000-08-02 2007-03-22 Siemens Ag Verfahren und Vorrichtung zur sicheren einkanaligen Auswertung von Sensorsignalen
US7277543B1 (en) 2000-11-14 2007-10-02 Honeywell International Inc. Cryptographic combiner using two sequential non-associative operations
GB2404314B (en) * 2002-01-25 2005-07-13 Actix Ltd Data transmission systems
US20050120208A1 (en) * 2002-01-25 2005-06-02 Albert Dobson Robert W. Data transmission systems
EP1394559A1 (de) * 2002-08-27 2004-03-03 Siemens Aktiengesellschaft Verfahren und Anordnung zur Erkennung und Behebung von Leitungsdefekten
US6813527B2 (en) 2002-11-20 2004-11-02 Honeywell International Inc. High integrity control system architecture using digital computing platforms with rapid recovery
DE10320522A1 (de) * 2003-05-02 2004-11-25 Pilz Gmbh & Co. Verfahren und Vorrichtug zum Steuern eines sicherheitskritischen Prozesses
US7246186B2 (en) * 2003-11-19 2007-07-17 Honeywell International Inc. Mobius time-triggered communication
WO2005053238A1 (en) * 2003-11-19 2005-06-09 Honeywell International Inc. Clique aggregation in tdma networks
US7372859B2 (en) * 2003-11-19 2008-05-13 Honeywell International Inc. Self-checking pair on a braided ring network
US7515715B2 (en) * 2004-07-08 2009-04-07 Honeywell International Inc. Information security for aeronautical surveillance systems
DE102005001953A1 (de) * 2005-01-14 2006-07-27 Infineon Technologies Ag Verfahren und Schaltungsanordnung zur Überprüfung eines Datensatzes mit mehreren Datenworten
DE102005012632A1 (de) * 2005-03-18 2006-09-21 Infineon Technologies Ag Verfahren und Schaltungsanordnung zur geschützten Übertragung von Datenworten
KR100699836B1 (ko) * 2005-03-19 2007-03-27 삼성전자주식회사 스칼라 곱에서 ｄｆａ 대책을 위한 장치 및 방법
US7509506B2 (en) * 2005-06-09 2009-03-24 International Business Machines Corporation Hierarchical system and method for managing power usage among server data processing systems
US7467311B2 (en) * 2005-06-09 2008-12-16 International Business Machines Corporation Distributed system and method for managing power usage among server data processing systems
US7386743B2 (en) * 2005-06-09 2008-06-10 International Business Machines Corporation Power-managed server and method for managing power consumption
US7421599B2 (en) * 2005-06-09 2008-09-02 International Business Machines Corporation Power management server and method for managing power consumption
US7664968B2 (en) * 2005-06-09 2010-02-16 International Business Machines Corporation System and method for managing power usage of a data processing system subsystem
KR20080013130A (ko) * 2006-08-07 2008-02-13 삼성전자주식회사 표시 장치의 구동 장치 및 구동 방법
US7668084B2 (en) * 2006-09-29 2010-02-23 Honeywell International Inc. Systems and methods for fault-tolerant high integrity data propagation using a half-duplex braided ring network
US20080098234A1 (en) * 2006-10-20 2008-04-24 Honeywell International Inc. Fault-containment and/or failure detection using encryption
US7889683B2 (en) * 2006-11-03 2011-02-15 Honeywell International Inc. Non-destructive media access resolution for asynchronous traffic in a half-duplex braided-ring
US7912094B2 (en) * 2006-12-13 2011-03-22 Honeywell International Inc. Self-checking pair-based master/follower clock synchronization
US7656881B2 (en) * 2006-12-13 2010-02-02 Honeywell International Inc. Methods for expedited start-up and clique aggregation using self-checking node pairs on a ring network
DE102007008168A1 (de) * 2007-02-19 2008-08-28 Siemens Ag Schaltungsvorrichtung und entsprechendes Verfahren zum Ansteuern einer Last
US7778159B2 (en) * 2007-09-27 2010-08-17 Honeywell International Inc. High-integrity self-test in a network having a braided-ring topology
DE102007048579B4 (de) * 2007-10-10 2016-05-19 Airbus Operations Gmbh Mehrzweck-Flugbegleiterpanel
US8817597B2 (en) * 2007-11-05 2014-08-26 Honeywell International Inc. Efficient triple modular redundancy on a braided ring
US8805590B2 (en) * 2009-12-24 2014-08-12 International Business Machines Corporation Fan speed control of rack devices where sum of device airflows is greater than maximum airflow of rack
US8533557B2 (en) 2011-01-28 2013-09-10 Infineon Technologies Ag Device and method for error correction and protection against data corruption
CN103997381B (zh) * 2014-05-30 2016-01-20 成都佳发安泰科技股份有限公司 考场作弊信号智能识别与取证还原方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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DE2706421C2 (de) * 1977-02-16 1979-03-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Einstellen von Schlüsseltextgeneratoren in Chiffriergeräten
FR2422582A1 (fr) * 1978-04-12 1979-11-09 Coignet Sa Detecteur de composition de moufflage d'un enfin de levage
DE3512126C1 (de) * 1985-04-03 1986-08-14 ANT Nachrichtentechnik GmbH, 7150 Backnang Wortweise arbeitender,multiplikativer Verwuerfler und Entwuerfler
US4819225A (en) * 1987-03-09 1989-04-04 Hochstein Peter A Redundant and fault tolerant communication link
DE3713825A1 (de) * 1987-04-24 1988-11-10 Siemens Ag Hochverfuegbares serielles bussystem
US5161186A (en) * 1991-09-06 1992-11-03 International Business Machines Corporation System for secure and private communication in a triple-connected network

Also Published As

Publication number Publication date
WO1994015420A1 (en) 1994-07-07
US5307409A (en) 1994-04-26
JPH08505021A (ja) 1996-05-28
CA2134559A1 (en) 1994-07-07
EP0676108A1 (de) 1995-10-11
EP0676108B1 (de) 1996-11-13
DE69305998T2 (de) 1997-05-28

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Legal Events

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