IT971257B - Sistema perfezionato di protezio ne dei dati memorizzati nella me moria di un calcolatore - Google Patents

Sistema perfezionato di protezio ne dei dati memorizzati nella me moria di un calcolatore

Info

Publication number
IT971257B
IT971257B IT32146/72A IT3214672A IT971257B IT 971257 B IT971257 B IT 971257B IT 32146/72 A IT32146/72 A IT 32146/72A IT 3214672 A IT3214672 A IT 3214672A IT 971257 B IT971257 B IT 971257B
Authority
IT
Italy
Prior art keywords
protecting
memory
computer
data stored
perfected system
Prior art date
Application number
IT32146/72A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT971257B publication Critical patent/IT971257B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
IT32146/72A 1972-01-20 1972-11-28 Sistema perfezionato di protezio ne dei dati memorizzati nella me moria di un calcolatore IT971257B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21936172A 1972-01-20 1972-01-20

Publications (1)

Publication Number Publication Date
IT971257B true IT971257B (it) 1974-04-30

Family

ID=22818972

Family Applications (1)

Application Number Title Priority Date Filing Date
IT32146/72A IT971257B (it) 1972-01-20 1972-11-28 Sistema perfezionato di protezio ne dei dati memorizzati nella me moria di un calcolatore

Country Status (6)

Country Link
US (1) US3761883A (it)
JP (1) JPS504946A (it)
CA (1) CA982697A (it)
DE (1) DE2302074A1 (it)
FR (1) FR2168410B1 (it)
IT (1) IT971257B (it)

Families Citing this family (56)

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US4162529A (en) * 1975-12-04 1979-07-24 Tokyo Shibaura Electric Co., Ltd. Interruption control system in a multiprocessing system
US4171536A (en) * 1976-05-03 1979-10-16 International Business Machines Corporation Microprocessor system
US4093987A (en) * 1977-03-24 1978-06-06 International Business Machines Corporation Hardware control storage area protection method and means
US4136386A (en) * 1977-10-06 1979-01-23 International Business Machines Corporation Backing store access coordination in a multi-processor system
JPS596415B2 (ja) * 1977-10-28 1984-02-10 株式会社日立製作所 多重情報処理システム
US4241401A (en) * 1977-12-19 1980-12-23 Sperry Corporation Virtual address translator utilizing interrupt level code
JPS5847784B2 (ja) * 1978-08-30 1983-10-25 富士通株式会社 キ−記憶システム
CA1123964A (en) * 1978-10-26 1982-05-18 Anthony J. Capozzi Integrated multilevel storage hierarchy for a data processing system
US5241666A (en) * 1979-06-04 1993-08-31 Unisys Corporation Variable rate improvement of disc cache subsystem
US4868734A (en) * 1984-04-30 1989-09-19 Unisys Corp. Variable rate improvement of disc cache subsystem
US4293910A (en) * 1979-07-02 1981-10-06 International Business Machines Corporation Reconfigurable key-in-storage means for protecting interleaved main storage
US4399504A (en) * 1980-10-06 1983-08-16 International Business Machines Corporation Method and means for the sharing of data resources in a multiprocessing, multiprogramming environment
CA1176335A (en) * 1981-06-05 1984-10-16 Exide Electronics Corporation Computer communications control
AU542447B2 (en) * 1982-02-27 1985-02-21 Fujitsu Limited System for controlling key storage unit
US4484306A (en) * 1982-03-22 1984-11-20 Exide Electronics Corporation Method and apparatus for controlling access in a data transmission system
US4638425A (en) * 1982-09-29 1987-01-20 International Business Machines Corporation Peripheral data storage having access controls with error recovery
JPS59165162A (ja) * 1983-03-11 1984-09-18 インタ−ナシヨナル　ビジネス　マシ−ンズ　コ−ポレ−シヨン ボリューム回復方法
US4706190A (en) * 1983-09-22 1987-11-10 Digital Equipment Corporation Retry mechanism for releasing control of a communications path in digital computer system
US4652990A (en) * 1983-10-27 1987-03-24 Remote Systems, Inc. Protected software access control apparatus and method
US4561051A (en) * 1984-02-10 1985-12-24 Prime Computer, Inc. Memory access method and apparatus in multiple processor systems
US4937733A (en) * 1987-05-01 1990-06-26 Digital Equipment Corporation Method and apparatus for assuring adequate access to system resources by processors in a multiprocessor computer system
US5341510A (en) * 1987-05-01 1994-08-23 Digital Equipment Corporation Commander node method and apparatus for assuring adequate access to system resources in a multiprocessor
US4858116A (en) * 1987-05-01 1989-08-15 Digital Equipment Corporation Method and apparatus for managing multiple lock indicators in a multiprocessor computer system
US4941083A (en) * 1987-05-01 1990-07-10 Digital Equipment Corporation Method and apparatus for initiating interlock read transactions on a multiprocessor computer system
US4949239A (en) * 1987-05-01 1990-08-14 Digital Equipment Corporation System for implementing multiple lock indicators on synchronous pended bus in multiprocessor computer system
US5136691A (en) * 1988-01-20 1992-08-04 Advanced Micro Devices, Inc. Methods and apparatus for caching interlock variables in an integrated cache memory
US4939641A (en) * 1988-06-30 1990-07-03 Wang Laboratories, Inc. Multi-processor system with cache memories
US5097409A (en) * 1988-06-30 1992-03-17 Wang Laboratories, Inc. Multi-processor system with cache memories
US5193166A (en) * 1989-04-21 1993-03-09 Bell-Northern Research Ltd. Cache-memory architecture comprising a single address tag for each cache memory
US5163096A (en) * 1991-06-06 1992-11-10 International Business Machines Corporation Storage protection utilizing public storage key control
JP2788836B2 (ja) * 1992-05-15 1998-08-20 インターナショナル・ビジネス・マシーンズ・コーポレイション ディジタルコンピュータシステム
US5603008A (en) * 1992-09-30 1997-02-11 Amdahl Corporation Computer system having cache memories with independently validated keys in the TLB
US5450563A (en) * 1992-10-30 1995-09-12 International Business Machines Corporation Storage protection keys in two level cache system
US5809525A (en) * 1993-09-17 1998-09-15 International Business Machines Corporation Multi-level computer cache system providing plural cache controllers associated with memory address ranges and having cache directories
US5590309A (en) * 1994-04-01 1996-12-31 International Business Machines Corporation Storage protection cache and backing storage having system control element data cache pipeline and storage protection bits in a stack array with a stack directory for the stack array
US5634043A (en) * 1994-08-25 1997-05-27 Intel Corporation Microprocessor point-to-point communication
US5724551A (en) * 1996-05-23 1998-03-03 International Business Machines Corporation Method for managing I/O buffers in shared storage by structuring buffer table having entries include storage keys for controlling accesses to the buffers
US6137688A (en) * 1996-12-31 2000-10-24 Intel Corporation Apparatus for retrofit mounting a VLSI chip to a computer chassis for current supply
US6018465A (en) * 1996-12-31 2000-01-25 Intel Corporation Apparatus for mounting a chip package to a chassis of a computer
US20030115476A1 (en) * 2001-10-31 2003-06-19 Mckee Bret Hardware-enforced control of access to memory within a computer using hardware-enforced semaphores and other similar, hardware-enforced serialization and sequencing mechanisms
US9020854B2 (en) 2004-03-08 2015-04-28 Proxense, Llc Linked account system using personal digital key (PDK-LAS)
RU2007127725A (ru) 2004-12-20 2009-01-27 ПРОКСЕНС, ЭлЭлСи (US) Аутентификация по биометрическому ключу персональных данных (pdk)
US8433919B2 (en) 2005-11-30 2013-04-30 Proxense, Llc Two-level authentication for secure transactions
US8036152B2 (en) 2006-01-06 2011-10-11 Proxense, Llc Integrated power management of a client device via system time slot assignment
US11206664B2 (en) 2006-01-06 2021-12-21 Proxense, Llc Wireless network synchronization of cells and client devices on a network
US9269221B2 (en) 2006-11-13 2016-02-23 John J. Gobbi Configuration of interfaces for a location detection system and application
WO2009062194A1 (en) * 2007-11-09 2009-05-14 Proxense, Llc Proximity-sensor supporting multiple application services
US8171528B1 (en) 2007-12-06 2012-05-01 Proxense, Llc Hybrid device having a personal digital key and receiver-decoder circuit and methods of use
US9251332B2 (en) 2007-12-19 2016-02-02 Proxense, Llc Security system and method for controlling access to computing resources
WO2009102979A2 (en) 2008-02-14 2009-08-20 Proxense, Llc Proximity-based healthcare management system with automatic access to private information
US11120449B2 (en) 2008-04-08 2021-09-14 Proxense, Llc Automated service-based order processing
US9418205B2 (en) 2010-03-15 2016-08-16 Proxense, Llc Proximity-based system for automatic application or data access and item tracking
US9322974B1 (en) 2010-07-15 2016-04-26 Proxense, Llc. Proximity-based system for object tracking
US9265450B1 (en) 2011-02-21 2016-02-23 Proxense, Llc Proximity-based system for object tracking and automatic application initialization
US9405898B2 (en) 2013-05-10 2016-08-02 Proxense, Llc Secure element as a digital pocket

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284776A (en) * 1961-06-08 1966-11-08 Decca Ltd Data processing apparatus
US3328765A (en) * 1963-12-31 1967-06-27 Ibm Memory protection system
US3317902A (en) * 1964-04-06 1967-05-02 Ibm Address selection control apparatus
US3328768A (en) * 1964-04-06 1967-06-27 Ibm Storage protection systems
US3473159A (en) * 1966-07-07 1969-10-14 Gen Electric Data processing system including means for protecting predetermined areas of memory
US3465297A (en) * 1966-09-30 1969-09-02 Control Data Corp Program protection arrangement
US3461433A (en) * 1967-01-27 1969-08-12 Sperry Rand Corp Relative addressing system for memories
US3576544A (en) * 1968-10-18 1971-04-27 Ibm Storage protection system

Also Published As

Publication number Publication date
JPS504946A (it) 1975-01-20
CA982697A (en) 1976-01-27
FR2168410B1 (it) 1976-05-14
FR2168410A1 (it) 1973-08-31
DE2302074A1 (de) 1973-07-19
US3761883A (en) 1973-09-25

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