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BR8705865A - Dispositivo de microprocessadores com implementacao de privilegio para uso na protecao ao acervo de programas e documentos - Google Patents

Dispositivo de microprocessadores com implementacao de privilegio para uso na protecao ao acervo de programas e documentos

Info

Publication number
BR8705865A
BR8705865A BR8705865A BR8705865A BR8705865A BR 8705865 A BR8705865 A BR 8705865A BR 8705865 A BR8705865 A BR 8705865A BR 8705865 A BR8705865 A BR 8705865A BR 8705865 A BR8705865 A BR 8705865A
Authority
BR
Brazil
Prior art keywords
protecting
programs
microprocessor device
privilege
implementation
Prior art date
Application number
BR8705865A
Other languages
English (en)
Inventor
Thomas Joweph Nolar Jr
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
Publication of BR8705865A publication Critical patent/BR8705865A/pt

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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/12—Protecting executable software
    • G06F21/121—Restricting unauthorised execution of programs
    • G06F21/123—Restricting unauthorised execution of programs by using dedicated hardware, e.g. dongles, smart cards, cryptographic processors, global positioning systems [GPS] devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Technology Law (AREA)
  • Multimedia (AREA)
  • Remote Sensing (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Storage Device Security (AREA)
  • Multi Processors (AREA)
BR8705865A 1986-11-05 1987-11-03 Dispositivo de microprocessadores com implementacao de privilegio para uso na protecao ao acervo de programas e documentos BR8705865A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/927,286 US5146575A (en) 1986-11-05 1986-11-05 Implementing privilege on microprocessor systems for use in software asset protection

Publications (1)

Publication Number Publication Date
BR8705865A true BR8705865A (pt) 1988-06-14

Family

ID=25454519

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8705865A BR8705865A (pt) 1986-11-05 1987-11-03 Dispositivo de microprocessadores com implementacao de privilegio para uso na protecao ao acervo de programas e documentos

Country Status (9)

Country Link
US (1) US5146575A (pt)
EP (1) EP0268138B1 (pt)
JP (1) JPH0769870B2 (pt)
AR (1) AR245833A1 (pt)
AT (1) ATE108918T1 (pt)
BR (1) BR8705865A (pt)
CA (1) CA1290070C (pt)
DE (1) DE3750249T2 (pt)
ES (1) ES2058088T3 (pt)

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Also Published As

Publication number Publication date
US5146575A (en) 1992-09-08
CA1290070C (en) 1991-10-01
EP0268138A3 (en) 1990-05-23
JPS63124151A (ja) 1988-05-27
DE3750249D1 (de) 1994-08-25
EP0268138B1 (en) 1994-07-20
EP0268138A2 (en) 1988-05-25
ES2058088T3 (es) 1994-11-01
ATE108918T1 (de) 1994-08-15
DE3750249T2 (de) 1995-03-09
AR245833A1 (es) 1994-02-28
JPH0769870B2 (ja) 1995-07-31

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Legal Events

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B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 03/11/2002