NO115687B - - Google Patents

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Publication number
NO115687B
NO115687B NO149107A NO14910763A NO115687B NO 115687 B NO115687 B NO 115687B NO 149107 A NO149107 A NO 149107A NO 14910763 A NO14910763 A NO 14910763A NO 115687 B NO115687 B NO 115687B
Authority
NO
Norway
Prior art keywords
storage
register
address
signal
instruction
Prior art date
Application number
NO149107A
Other languages
English (en)
Norwegian (no)
Inventor
D Anderson
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of NO115687B publication Critical patent/NO115687B/no

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
    • G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
    • G06F12/1441—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block for a range
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

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)
  • Executing Machine-Instructions (AREA)
NO149107A 1962-06-22 1963-06-21 NO115687B (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US204411A US3263218A (en) 1962-06-22 1962-06-22 Selective lockout of computer memory

Publications (1)

Publication Number Publication Date
NO115687B true NO115687B (en]) 1968-11-11

Family

ID=22757765

Family Applications (1)

Application Number Title Priority Date Filing Date
NO149107A NO115687B (en]) 1962-06-22 1963-06-21

Country Status (10)

Country Link
US (1) US3263218A (en])
AT (1) AT245296B (en])
BE (1) BE633719A (en])
CH (1) CH411402A (en])
DE (1) DE1266026B (en])
FR (1) FR1365593A (en])
GB (1) GB1029572A (en])
NL (1) NL294416A (en])
NO (1) NO115687B (en])
SE (1) SE310957B (en])

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250659B (de) * 1964-04-06 1967-09-21 International Business Machines Corporation, Armonk, NY (V St A) Mikroprogrammgesteuerte Datenverarbeitungsanlage
US3377624A (en) * 1966-01-07 1968-04-09 Ibm Memory protection system
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
US3528061A (en) * 1968-07-05 1970-09-08 Ibm Interlock arrangement
US3528062A (en) * 1968-07-05 1970-09-08 Ibm Program interlock arrangement,including task suspension and new task assignment
JPS4930578B1 (en]) * 1970-09-30 1974-08-14
US4017839A (en) * 1975-06-30 1977-04-12 Honeywell Information Systems, Inc. Input/output multiplexer security system
JPS52149444A (en) * 1976-06-08 1977-12-12 Fujitsu Ltd Multiplex virtual space processing data processing system
US4523271A (en) * 1982-06-22 1985-06-11 Levien Raphael L Software protection method and apparatus
DK170385B1 (da) * 1988-03-04 1995-08-14 Siemens Ag Fremgangsmåde til brugerbestemt udnyttelse af en mikrocomputers datalager som programlager
EP0559939A1 (de) * 1992-03-11 1993-09-15 Siemens Nixdorf Informationssysteme Aktiengesellschaft Schaltungsanordnung zur Überwachung von Zugriffen auf einen vorgegebenen Speicherbereich eines Speichers
US6249867B1 (en) * 1998-07-31 2001-06-19 Lucent Technologies Inc. Method for transferring sensitive information using initially unsecured communication
US6583945B1 (en) 1998-10-30 2003-06-24 Iomega Corporation Method for irreversibly write-securing a magnetic storage cartridge

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959351A (en) * 1955-11-02 1960-11-08 Ibm Data storage and processing machine

Also Published As

Publication number Publication date
NL294416A (en])
GB1029572A (en) 1966-05-18
FR1365593A (en]) 1964-11-03
CH411402A (de) 1966-04-15
DE1266026B (de) 1968-04-11
US3263218A (en) 1966-07-26
AT245296B (de) 1966-02-25
SE310957B (en]) 1969-05-19
BE633719A (en])

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