BE692036A - - Google Patents

Info

Publication number
BE692036A
BE692036A BE692036DA BE692036A BE 692036 A BE692036 A BE 692036A BE 692036D A BE692036D A BE 692036DA BE 692036 A BE692036 A BE 692036A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE692036A publication Critical patent/BE692036A/xx

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
    • G06F12/14—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
    • G06F12/1491—Protection against unauthorised use of memory or access to memory by checking the subject access rights in a hierarchical protection system, e.g. privilege levels, memory rings

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
BE692036D 1966-01-07 1966-12-30 BE692036A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US519347A US3377624A (en) 1966-01-07 1966-01-07 Memory protection system

Publications (1)

Publication Number Publication Date
BE692036A true BE692036A (ja) 1967-05-29

Family

ID=24067911

Family Applications (1)

Application Number Title Priority Date Filing Date
BE692036D BE692036A (ja) 1966-01-07 1966-12-30

Country Status (9)

Country Link
US (1) US3377624A (ja)
BE (1) BE692036A (ja)
CH (1) CH452937A (ja)
DE (1) DE1524183B1 (ja)
ES (1) ES335302A1 (ja)
FR (1) FR1507799A (ja)
GB (1) GB1154387A (ja)
NL (1) NL6700145A (ja)
SE (1) SE322644B (ja)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781811A (en) * 1967-09-14 1973-12-25 Tokyo Shibaura Electric Co Memory protective systems for computers
US3573736A (en) * 1968-01-15 1971-04-06 Ibm Interruption and interlock arrangement
US3576544A (en) * 1968-10-18 1971-04-27 Ibm Storage protection system
US3573855A (en) * 1968-12-31 1971-04-06 Texas Instruments Inc Computer memory protection
US3651475A (en) * 1970-04-16 1972-03-21 Ibm Address modification by main/control store boundary register in a microprogrammed processor
JPS4930578B1 (ja) * 1970-09-30 1974-08-14
US3725872A (en) * 1971-03-03 1973-04-03 Burroughs Corp Data processing system having status indicating and storage means
GB1414126A (en) * 1971-11-22 1975-11-19 Key Tronic Ltd Secutity for computer systems
US3825903A (en) * 1973-04-30 1974-07-23 Ibm Automatic switching of storage protect keys
US3893084A (en) * 1973-05-01 1975-07-01 Digital Equipment Corp Memory access control system
US4135240A (en) * 1973-07-09 1979-01-16 Bell Telephone Laboratories, Incorporated Protection of data file contents
FR2258112A5 (ja) * 1973-11-30 1975-08-08 Honeywell Bull Soc Ind
US3916385A (en) * 1973-12-12 1975-10-28 Honeywell Inf Systems Ring checking hardware
US3890601A (en) * 1974-03-11 1975-06-17 Philco Ford Corp Password operated system for preventing unauthorized or accidental computer memory alteration
US4035779A (en) * 1976-04-30 1977-07-12 International Business Machines Corporation Supervisor address key control system
US4037214A (en) * 1976-04-30 1977-07-19 International Business Machines Corporation Key register controlled accessing system
US4099243A (en) * 1977-01-18 1978-07-04 Honeywell Information Systems Inc. Memory block protection apparatus
US4519032A (en) * 1982-06-09 1985-05-21 At&T Bell Laboratories Memory management arrangement for microprocessor systems
US4523271A (en) * 1982-06-22 1985-06-11 Levien Raphael L Software protection method and apparatus
JPS60107155A (ja) * 1983-11-16 1985-06-12 Hitachi Ltd 記憶ボリユ−ムのデ−タ保護方式
US4633388A (en) * 1984-01-18 1986-12-30 Siemens Corporate Research & Support, Inc. On-chip microprocessor instruction decoder having hardware for selectively bypassing on-chip circuitry used to decipher encrypted instruction codes
JPS60160491A (ja) * 1984-01-31 1985-08-22 Toshiba Corp Ｉｃカードとｉｃカード発行装置
US4823308A (en) * 1984-02-02 1989-04-18 Knight Technology Ltd. Microcomputer with software protection
DE3731339A1 (de) * 1987-09-15 1989-03-30 Siemens Ag Verfahren zur ueberwachung von speichereinrichtungen in digitalgesteuerten kommunikationssystemen
GB2230881A (en) * 1989-04-28 1990-10-31 Christopher William Cowsley Data storage protection
US5748981A (en) * 1992-10-20 1998-05-05 National Semiconductor Corporation Microcontroller with in-circuit user programmable microcode
US5513337A (en) * 1994-05-25 1996-04-30 Intel Corporation System for protecting unauthorized memory accesses by comparing base memory address with mask bits and having attribute bits for identifying access operational mode and type
US6976258B1 (en) 1999-11-30 2005-12-13 Ensim Corporation Providing quality of service guarantees to virtual hosts
US6711607B1 (en) 2000-02-04 2004-03-23 Ensim Corporation Dynamic scheduling of task streams in a multiple-resource system to ensure task stream quality of service
US6529985B1 (en) 2000-02-04 2003-03-04 Ensim Corporation Selective interception of system calls
US6560613B1 (en) 2000-02-08 2003-05-06 Ensim Corporation Disambiguating file descriptors
US6754716B1 (en) 2000-02-11 2004-06-22 Ensim Corporation Restricting communication between network devices on a common network
US7343421B1 (en) 2000-02-14 2008-03-11 Digital Asset Enterprises Llc Restricting communication of selected processes to a set of specific network addresses
US6948003B1 (en) 2000-03-15 2005-09-20 Ensim Corporation Enabling a service provider to provide intranet services
US6985937B1 (en) 2000-05-11 2006-01-10 Ensim Corporation Dynamically modifying the resources of a virtual server
US6907421B1 (en) 2000-05-16 2005-06-14 Ensim Corporation Regulating file access rates according to file type
US7143024B1 (en) 2000-07-07 2006-11-28 Ensim Corporation Associating identifiers with virtual processes
US6909691B1 (en) 2000-08-07 2005-06-21 Ensim Corporation Fairly partitioning resources while limiting the maximum fair share
US6732211B1 (en) 2000-09-18 2004-05-04 Ensim Corporation Intercepting I/O multiplexing operations involving cross-domain file descriptor sets
US7219354B1 (en) 2000-12-22 2007-05-15 Ensim Corporation Virtualizing super-user privileges for multiple virtual processes
US6618736B1 (en) 2001-03-09 2003-09-09 Ensim Corporation Template-based creation and archival of file systems
US8261095B1 (en) 2001-11-01 2012-09-04 Google Inc. Methods and systems for using derived user accounts

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108256A (en) * 1958-12-30 1963-10-22 Ibm Logical clearing of memory devices
FR1365593A (ja) * 1962-06-22 1964-11-03
US3264615A (en) * 1962-12-11 1966-08-02 Ibm Memory protection system
US3271744A (en) * 1962-12-31 1966-09-06 Handling of multiple matches and fencing in memories
FR1379293A (fr) * 1963-01-03 1964-11-20 Western Electric Co Procédé de détection d'erreurs dans les transferts au cours de traitements de données
US3328765A (en) * 1963-12-31 1967-06-27 Ibm Memory protection system
US3328768A (en) * 1964-04-06 1967-06-27 Ibm Storage protection systems

Also Published As

Publication number Publication date
CH452937A (de) 1968-03-15
NL6700145A (ja) 1967-07-10
US3377624A (en) 1968-04-09
SE322644B (ja) 1970-04-13
DE1524183B1 (de) 1971-08-05
FR1507799A (fr) 1967-12-29
GB1154387A (en) 1969-06-04
ES335302A1 (es) 1967-12-01

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