CA1080365A - Data security system employing automatic time stamping mechanism - Google Patents

Data security system employing automatic time stamping mechanism

Info

Publication number
CA1080365A
CA1080365A CA266,860A CA266860A CA1080365A CA 1080365 A CA1080365 A CA 1080365A CA 266860 A CA266860 A CA 266860A CA 1080365 A CA1080365 A CA 1080365A
Authority
CA
Canada
Prior art keywords
memory
time stamp
data
time
pulse
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
Application number
CA266,860A
Other languages
English (en)
French (fr)
Inventor
Laszlo A. Belady
Carlo J. Evangelisti
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1080365A publication Critical patent/CA1080365A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F21/552—Detecting local intrusion or implementing counter-measures involving long-term monitoring or reporting
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
    • G06F11/3466—Performance evaluation by tracing or monitoring
    • G06F11/3476—Data logging
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
    • G06F11/3466—Performance evaluation by tracing or monitoring
    • G06F11/348—Circuit details, i.e. tracer hardware
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F2221/2151—Time stamp

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Quality & Reliability (AREA)
  • Debugging And Monitoring (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Storage Device Security (AREA)
CA266,860A 1975-12-04 1976-11-30 Data security system employing automatic time stamping mechanism Expired CA1080365A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/637,492 US4040034A (en) 1975-12-04 1975-12-04 Data security system employing automatic time stamping mechanism

Publications (1)

Publication Number Publication Date
CA1080365A true CA1080365A (en) 1980-06-24

Family

ID=24556172

Family Applications (1)

Application Number Title Priority Date Filing Date
CA266,860A Expired CA1080365A (en) 1975-12-04 1976-11-30 Data security system employing automatic time stamping mechanism

Country Status (7)

Country Link
US (1) US4040034A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5282033A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR7608168A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1080365A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2652869A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2334149A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1534189A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5556262A (en) * 1978-10-20 1980-04-24 Nec Corp Operation hysteresis retention system
US4237533A (en) * 1978-12-28 1980-12-02 International Business Machines Corporation Preventing initial program load failures
US4866604A (en) * 1981-10-01 1989-09-12 Stratus Computer, Inc. Digital data processing apparatus with pipelined memory cycles
US4523271A (en) * 1982-06-22 1985-06-11 Levien Raphael L Software protection method and apparatus
US5023779A (en) * 1982-09-21 1991-06-11 Xerox Corporation Distributed processing environment fault isolation
CH646834GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1983-06-01 1984-12-28
US4740890A (en) * 1983-12-22 1988-04-26 Software Concepts, Inc. Software protection system with trial period usage code and unlimited use unlocking code both recorded on program storage media
US4757533A (en) * 1985-09-11 1988-07-12 Computer Security Corporation Security system for microcomputers
US5014234A (en) * 1986-08-25 1991-05-07 Ncr Corporation System with software usage timer and counter for allowing limited use but preventing continued unauthorized use of protected software
US5081675A (en) * 1989-11-13 1992-01-14 Kitti Kittirutsunetorn System for protection of software in memory against unauthorized use
US5251909A (en) 1991-05-28 1993-10-12 Reed Michael J Secured high throughput data channel for public broadcast system
US5381539A (en) * 1992-06-04 1995-01-10 Emc Corporation System and method for dynamically controlling cache management
US5471631A (en) * 1992-10-19 1995-11-28 International Business Machines Corporation Using time stamps to correlate data processing event times in connected data processing units
US5781769A (en) * 1995-12-29 1998-07-14 Symbios, Inc. Method and apparatus for using a content addressable memory for time tagged event processing
WO1997028501A1 (en) * 1996-01-31 1997-08-07 International Business Machines Corporation Monitor system and method
US5790840A (en) * 1997-08-15 1998-08-04 International Business Machines Corporation Timestamp systems, methods and computer program products for data processing system
US5978928A (en) * 1997-10-17 1999-11-02 Hewlett-Packard Company Relative logarithmic time stamps for reduced memory map size
US6802022B1 (en) 2000-04-14 2004-10-05 Stratus Technologies Bermuda Ltd. Maintenance of consistent, redundant mass storage images
US6862689B2 (en) 2001-04-12 2005-03-01 Stratus Technologies Bermuda Ltd. Method and apparatus for managing session information
US6948010B2 (en) * 2000-12-20 2005-09-20 Stratus Technologies Bermuda Ltd. Method and apparatus for efficiently moving portions of a memory block
US6766413B2 (en) 2001-03-01 2004-07-20 Stratus Technologies Bermuda Ltd. Systems and methods for caching with file-level granularity
US6874102B2 (en) * 2001-03-05 2005-03-29 Stratus Technologies Bermuda Ltd. Coordinated recalibration of high bandwidth memories in a multiprocessor computer
GB2387683B (en) * 2002-04-19 2007-03-28 Hewlett Packard Co Workflow processing scheduler
US9647838B2 (en) * 2013-01-25 2017-05-09 Ralph John Hilla Restructuring the computer and its association with the internet
KR102740557B1 (ko) * 2019-05-10 2024-12-09 삼성전자주식회사 재전송 공격에 대한 방어책을 포함하는 메모리 시스템의 구동 방법 및 이를 수행하는 메모리 시스템

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328765A (en) 1963-12-31 1967-06-27 Ibm Memory protection system
GB1117728A (en) * 1966-04-06 1968-06-26 Tateisi Electronics Company An entry or exit recording control apparatus
US3725872A (en) * 1971-03-03 1973-04-03 Burroughs Corp Data processing system having status indicating and storage means
US3771144A (en) * 1972-07-24 1973-11-06 Ibm Clock for computer performance measurements
US3792493A (en) * 1972-11-06 1974-02-12 Intelligence Services Prod Div Door actuated time recorder

Also Published As

Publication number Publication date
BR7608168A (pt) 1977-11-22
GB1534189A (en) 1978-11-29
DE2652869A1 (de) 1977-06-16
FR2334149B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-03-14
FR2334149A1 (fr) 1977-07-01
JPS5282033A (en) 1977-07-08
US4040034A (en) 1977-08-02
JPS5640383B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-09-19

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Legal Events

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