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GB0305596D0 - Fault detection in data processing apparatus - Google Patents

Fault detection in data processing apparatus

Info

Publication number
GB0305596D0
GB0305596D0 GBGB0305596.9A GB0305596A GB0305596D0 GB 0305596 D0 GB0305596 D0 GB 0305596D0 GB 0305596 A GB0305596 A GB 0305596A GB 0305596 D0 GB0305596 D0 GB 0305596D0
Authority
GB
United Kingdom
Prior art keywords
processing apparatus
data processing
fault detection
fault
detection
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.)
Withdrawn
Application number
GBGB0305596.9A
Other versions
GB2399426A (en
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to GB0305596A priority Critical patent/GB2399426A/en
Publication of GB0305596D0 publication Critical patent/GB0305596D0/en
Priority to JP2004068254A priority patent/JP4386766B2/en
Publication of GB2399426A publication Critical patent/GB2399426A/en
Withdrawn legal-status Critical Current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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1695—Error detection or correction of the data by redundancy in hardware which are operating with time diversity
    • 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
    • G06F11/1629—Error detection by comparing the output of redundant processing systems
    • G06F11/1641—Error detection by comparing the output of redundant processing systems where the comparison is not performed by the redundant processing components
    • 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
    • G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
    • G06F21/55—Detecting local intrusion or implementing counter-measures
    • G06F21/556—Detecting local intrusion or implementing counter-measures involving covert channels, i.e. data leakage between processes
    • 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
    • G06F21/75—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 by inhibiting the analysis of circuitry or operation
    • 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
    • G06F11/18—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits
    • G06F11/183—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits by voting, the voting not being performed by the redundant components
    • G06F11/184—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits by voting, the voting not being performed by the redundant components where the redundant components implement processing functionality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2123—Dummy operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Storage Device Security (AREA)
  • Hardware Redundancy (AREA)
GB0305596A 2003-03-12 2003-03-12 Fault detection in data processing apparatus Withdrawn GB2399426A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0305596A GB2399426A (en) 2003-03-12 2003-03-12 Fault detection in data processing apparatus
JP2004068254A JP4386766B2 (en) 2003-03-12 2004-03-10 Error detection in data processing equipment.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0305596A GB2399426A (en) 2003-03-12 2003-03-12 Fault detection in data processing apparatus

Publications (2)

Publication Number Publication Date
GB0305596D0 true GB0305596D0 (en) 2003-04-16
GB2399426A GB2399426A (en) 2004-09-15

Family

ID=9954585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0305596A Withdrawn GB2399426A (en) 2003-03-12 2003-03-12 Fault detection in data processing apparatus

Country Status (2)

Country Link
JP (1) JP4386766B2 (en)
GB (1) GB2399426A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115442247A (en) * 2022-11-03 2022-12-06 湖南警云智慧信息科技有限公司 Adopt artificial intelligence data processing fortune dimension case

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8527741B2 (en) 2005-07-05 2013-09-03 Viasat, Inc. System for selectively synchronizing high-assurance software tasks on multiple processors at a software routine level
US8190877B2 (en) 2005-07-05 2012-05-29 Viasat, Inc. Trusted cryptographic processor
EP3651027A1 (en) * 2005-07-05 2020-05-13 ViaSat Inc. Synchronized high-assurance circuits
JP4117008B2 (en) * 2006-10-30 2008-07-09 シャープ株式会社 Encryption device
FR2935823B1 (en) * 2008-09-11 2010-10-01 Oberthur Technologies METHOD AND DEVICE FOR PROTECTING A MICROCIRCUIT AGAINST ATTACKS.
EP2290575A1 (en) * 2009-08-31 2011-03-02 Incard SA IC Card comprising an improved processor
JP5433498B2 (en) * 2010-05-27 2014-03-05 株式会社東芝 Cryptographic processing device
JPWO2011148558A1 (en) * 2010-05-28 2013-07-25 日本電気株式会社 Signature generation apparatus, signature method, and signature generation program
JP6516097B2 (en) * 2015-06-11 2019-05-22 大日本印刷株式会社 Arithmetic device, IC card, arithmetic method, and arithmetic processing program
US11461505B2 (en) * 2019-10-17 2022-10-04 Arm Limited Obfuscation of operations in computing devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099241A (en) * 1973-10-30 1978-07-04 Telefonaktiebolaget L M Ericsson Apparatus for facilitating a cooperation between an executive computer and a reserve computer
FR2728369B1 (en) * 1994-12-19 1997-01-31 Sgs Thomson Microelectronics METHOD AND DEVICE FOR INCREASING THE SECURITY OF AN INTEGRATED CIRCUIT
GB2317032A (en) * 1996-09-07 1998-03-11 Motorola Gmbh Microprocessor fail-safe system
US6058491A (en) * 1997-09-15 2000-05-02 International Business Machines Corporation Method and system for fault-handling to improve reliability of a data-processing system
CA2258338C (en) * 1999-01-11 2009-02-24 Certicom Corp. Method and apparatus for minimizing differential power attacks on processors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115442247A (en) * 2022-11-03 2022-12-06 湖南警云智慧信息科技有限公司 Adopt artificial intelligence data processing fortune dimension case

Also Published As

Publication number Publication date
JP4386766B2 (en) 2009-12-16
JP2004310752A (en) 2004-11-04
GB2399426A (en) 2004-09-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)